./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/functions/constructor_state_value_parameter.sol_0_no_adts_000.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:28:20,596 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:28:20,643 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1801a2-0ce5-4f17-b723-a5fdc64a83b0/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:28:20,646 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:28:20,646 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:28:20,660 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:28:20,660 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:28:20,660 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:28:20,661 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:28:20,661 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:28:20,661 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:28:20,661 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:28:20,661 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:28:20,661 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:28:20,661 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:28:20,661 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:28:20,661 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:28:20,661 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:28:20,662 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:28:20,662 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:28:20,662 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:28:20,662 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:28:20,662 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:28:20,662 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:28:20,662 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:28:20,662 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:28:20,662 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:28:20,881 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:28:20,889 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:28:20,891 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:28:20,892 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:28:20,892 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:28:20,893 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1801a2-0ce5-4f17-b723-a5fdc64a83b0/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/functions/constructor_state_value_parameter.sol_0_no_adts_000.smt2
[2025-05-07 17:28:20,894 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:28:20,896 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:28:21,091 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df1801a2-0ce5-4f17-b723-a5fdc64a83b0/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/functions/constructor_state_value_parameter.sol_0_no_adts_000.smt2
[2025-05-07 17:28:21,094 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:28:21,096 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:28:21,096 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:28:21,096 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:28:21,097 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:28:21,099 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:28:21" (1/1) ...
[2025-05-07 17:28:21,130 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:21 Unit
[2025-05-07 17:28:21,130 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:28:21,131 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:28:21,131 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:28:21,131 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:28:21,146 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:21" (1/1) ...
[2025-05-07 17:28:21,147 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:21" (1/1) ...
[2025-05-07 17:28:21,165 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:21" (1/1) ...
[2025-05-07 17:28:21,165 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:21" (1/1) ...
[2025-05-07 17:28:21,167 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:21" (1/1) ...
[2025-05-07 17:28:21,168 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:21" (1/1) ...
[2025-05-07 17:28:21,169 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:21" (1/1) ...
[2025-05-07 17:28:21,170 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:21" (1/1) ...
[2025-05-07 17:28:21,170 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:21" (1/1) ...
[2025-05-07 17:28:21,178 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:28:21,179 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:28:21,179 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:28:21,179 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:28:21,179 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:21" (1/1) ...
[2025-05-07 17:28:21,181 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:28:21,194 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:28:21,204 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2025-05-07 17:28:21,206 INFO  L327       MonitoredProcess]: [MP /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2025-05-07 17:28:21,213 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:28:21,213 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:28:21,213 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:28:21,213 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_5_0 given in one single declaration
[2025-05-07 17:28:21,213 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_5_0
[2025-05-07 17:28:21,213 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_5_0
[2025-05-07 17:28:21,213 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_2_C_36_0 given in one single declaration
[2025-05-07 17:28:21,214 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_2_C_36_0
[2025-05-07 17:28:21,214 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_2_C_36_0
[2025-05-07 17:28:21,214 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_18_C_36_0 given in one single declaration
[2025-05-07 17:28:21,214 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_18_C_36_0
[2025-05-07 17:28:21,214 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_18_C_36_0
[2025-05-07 17:28:21,214 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_15_C_36_0 given in one single declaration
[2025-05-07 17:28:21,214 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_15_C_36_0
[2025-05-07 17:28:21,214 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_15_C_36_0
[2025-05-07 17:28:21,214 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_17_C_36_0 given in one single declaration
[2025-05-07 17:28:21,214 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_17_C_36_0
[2025-05-07 17:28:21,214 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_17_C_36_0
[2025-05-07 17:28:21,214 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_16_C_36_0 given in one single declaration
[2025-05-07 17:28:21,214 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_16_C_36_0
[2025-05-07 17:28:21,214 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_16_C_36_0
[2025-05-07 17:28:21,214 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_3_constructor_23_36_0 given in one single declaration
[2025-05-07 17:28:21,214 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_3_constructor_23_36_0
[2025-05-07 17:28:21,214 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_3_constructor_23_36_0
[2025-05-07 17:28:21,214 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_13_return_constructor_23_36_0 given in one single declaration
[2025-05-07 17:28:21,214 INFO  L130     BoogieDeclarations]: Found specification of procedure block_13_return_constructor_23_36_0
[2025-05-07 17:28:21,214 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_13_return_constructor_23_36_0
[2025-05-07 17:28:21,215 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_12__22_36_0 given in one single declaration
[2025-05-07 17:28:21,215 INFO  L130     BoogieDeclarations]: Found specification of procedure block_12__22_36_0
[2025-05-07 17:28:21,215 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_12__22_36_0
[2025-05-07 17:28:21,215 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_11_constructor_23_36_0 given in one single declaration
[2025-05-07 17:28:21,215 INFO  L130     BoogieDeclarations]: Found specification of procedure block_11_constructor_23_36_0
[2025-05-07 17:28:21,215 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_11_constructor_23_36_0
[2025-05-07 17:28:21,215 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_14_constructor_23_36_0 given in one single declaration
[2025-05-07 17:28:21,215 INFO  L130     BoogieDeclarations]: Found specification of procedure block_14_constructor_23_36_0
[2025-05-07 17:28:21,215 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_14_constructor_23_36_0
[2025-05-07 17:28:21,215 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:28:21,215 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:28:21,215 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:28:21,309 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:28:21,311 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:28:21,449 INFO  L?                        ?]: Removed 97 outVars from TransFormulas that were not future-live.
[2025-05-07 17:28:21,450 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:28:21,458 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:28:21,458 INFO  L312             CfgBuilder]: Removed 4 assume(true) statements.
[2025-05-07 17:28:21,458 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:28:21 BoogieIcfgContainer
[2025-05-07 17:28:21,458 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:28:21,461 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:28:21,461 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:28:21,464 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:28:21,464 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:28:21" (1/3) ...
[2025-05-07 17:28:21,465 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@387fcb62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:28:21, skipping insertion in model container
[2025-05-07 17:28:21,465 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:21" (2/3) ...
[2025-05-07 17:28:21,465 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@387fcb62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:28:21, skipping insertion in model container
[2025-05-07 17:28:21,465 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:28:21" (3/3) ...
[2025-05-07 17:28:21,467 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:28:21,480 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:28:21,482 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 13 procedures, 53 locations, 77 edges, 13 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:28:21,512 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:28:21,521 INFO  L340      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@64b9451e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:28:21,521 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:28:21,523 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 53 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 26 states have internal predecessors, (26), 16 states have call successors, (17), 12 states have call predecessors, (17), 12 states have return successors, (17), 14 states have call predecessors, (17), 16 states have call successors, (17)
[2025-05-07 17:28:21,529 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2025-05-07 17:28:21,529 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:21,530 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:28:21,530 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:21,534 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:21,534 INFO  L85        PathProgramCache]: Analyzing trace with hash 1476765668, now seen corresponding path program 1 times
[2025-05-07 17:28:21,539 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:21,540 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557650766]
[2025-05-07 17:28:21,540 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:21,540 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:21,582 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes.
[2025-05-07 17:28:21,614 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements.
[2025-05-07 17:28:21,615 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:21,615 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:21,796 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:21,796 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:21,796 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557650766]
[2025-05-07 17:28:21,797 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557650766] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:21,797 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:21,798 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:28:21,799 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951254770]
[2025-05-07 17:28:21,800 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:21,802 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:28:21,802 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:21,820 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:28:21,820 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:28:21,821 INFO  L87              Difference]: Start difference. First operand  has 53 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 26 states have internal predecessors, (26), 16 states have call successors, (17), 12 states have call predecessors, (17), 12 states have return successors, (17), 14 states have call predecessors, (17), 16 states have call successors, (17) Second operand  has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 3 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11)
[2025-05-07 17:28:21,861 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:21,862 INFO  L93              Difference]: Finished difference Result 53 states and 59 transitions.
[2025-05-07 17:28:21,863 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:28:21,864 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 3 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 42
[2025-05-07 17:28:21,865 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:21,870 INFO  L225             Difference]: With dead ends: 53
[2025-05-07 17:28:21,870 INFO  L226             Difference]: Without dead ends: 49
[2025-05-07 17:28:21,871 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:28:21,874 INFO  L437           NwaCegarLoop]: 58 mSDtfsCounter, 1 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:21,874 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 166 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:21,889 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 49 states.
[2025-05-07 17:28:21,907 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49.
[2025-05-07 17:28:21,908 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 49 states, 22 states have (on average 1.0454545454545454) internal successors, (23), 23 states have internal predecessors, (23), 14 states have call successors, (15), 12 states have call predecessors, (15), 12 states have return successors, (15), 13 states have call predecessors, (15), 14 states have call successors, (15)
[2025-05-07 17:28:21,916 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions.
[2025-05-07 17:28:21,917 INFO  L79                 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 42
[2025-05-07 17:28:21,917 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:21,917 INFO  L485      AbstractCegarLoop]: Abstraction has 49 states and 53 transitions.
[2025-05-07 17:28:21,918 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 3 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11)
[2025-05-07 17:28:21,918 INFO  L278                IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions.
[2025-05-07 17:28:21,920 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2025-05-07 17:28:21,920 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:21,920 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:28:21,920 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:28:21,921 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:21,921 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:21,922 INFO  L85        PathProgramCache]: Analyzing trace with hash 1685998188, now seen corresponding path program 1 times
[2025-05-07 17:28:21,922 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:21,922 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086828095]
[2025-05-07 17:28:21,922 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:21,922 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:21,947 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes.
[2025-05-07 17:28:21,971 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements.
[2025-05-07 17:28:21,971 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:21,971 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:22,118 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:22,118 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:22,118 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086828095]
[2025-05-07 17:28:22,119 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086828095] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:22,119 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:22,119 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2025-05-07 17:28:22,119 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125885296]
[2025-05-07 17:28:22,119 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:22,120 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2025-05-07 17:28:22,120 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:22,121 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2025-05-07 17:28:22,121 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2025-05-07 17:28:22,121 INFO  L87              Difference]: Start difference. First operand 49 states and 53 transitions. Second operand  has 7 states, 5 states have (on average 4.0) internal successors, (20), 7 states have internal predecessors, (20), 5 states have call successors, (11), 1 states have call predecessors, (11), 5 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11)
[2025-05-07 17:28:22,206 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:22,206 INFO  L93              Difference]: Finished difference Result 53 states and 57 transitions.
[2025-05-07 17:28:22,206 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2025-05-07 17:28:22,207 INFO  L79                 Accepts]: Start accepts. Automaton has  has 7 states, 5 states have (on average 4.0) internal successors, (20), 7 states have internal predecessors, (20), 5 states have call successors, (11), 1 states have call predecessors, (11), 5 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 42
[2025-05-07 17:28:22,207 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:22,208 INFO  L225             Difference]: With dead ends: 53
[2025-05-07 17:28:22,208 INFO  L226             Difference]: Without dead ends: 53
[2025-05-07 17:28:22,208 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:28:22,209 INFO  L437           NwaCegarLoop]: 50 mSDtfsCounter, 2 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:22,209 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 281 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:28:22,210 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 53 states.
[2025-05-07 17:28:22,215 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 51.
[2025-05-07 17:28:22,215 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 51 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 24 states have internal predecessors, (24), 14 states have call successors, (15), 12 states have call predecessors, (15), 13 states have return successors, (16), 14 states have call predecessors, (16), 14 states have call successors, (16)
[2025-05-07 17:28:22,216 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 55 transitions.
[2025-05-07 17:28:22,216 INFO  L79                 Accepts]: Start accepts. Automaton has 51 states and 55 transitions. Word has length 42
[2025-05-07 17:28:22,217 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:22,217 INFO  L485      AbstractCegarLoop]: Abstraction has 51 states and 55 transitions.
[2025-05-07 17:28:22,217 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 5 states have (on average 4.0) internal successors, (20), 7 states have internal predecessors, (20), 5 states have call successors, (11), 1 states have call predecessors, (11), 5 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11)
[2025-05-07 17:28:22,217 INFO  L278                IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions.
[2025-05-07 17:28:22,218 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2025-05-07 17:28:22,218 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:22,218 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:28:22,218 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:28:22,218 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:22,218 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:22,218 INFO  L85        PathProgramCache]: Analyzing trace with hash 1036876896, now seen corresponding path program 1 times
[2025-05-07 17:28:22,218 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:22,218 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472356117]
[2025-05-07 17:28:22,218 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:22,218 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:22,232 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes.
[2025-05-07 17:28:22,243 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements.
[2025-05-07 17:28:22,243 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:22,243 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:22,433 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:22,433 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:22,433 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472356117]
[2025-05-07 17:28:22,433 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472356117] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:22,433 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:22,433 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:28:22,434 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144965402]
[2025-05-07 17:28:22,434 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:22,434 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:28:22,434 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:22,434 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:28:22,434 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:28:22,434 INFO  L87              Difference]: Start difference. First operand 51 states and 55 transitions. Second operand  has 8 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 states have internal predecessors, (20), 6 states have call successors, (11), 1 states have call predecessors, (11), 6 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11)
[2025-05-07 17:28:22,508 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:22,509 INFO  L93              Difference]: Finished difference Result 52 states and 55 transitions.
[2025-05-07 17:28:22,509 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:28:22,509 INFO  L79                 Accepts]: Start accepts. Automaton has  has 8 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 states have internal predecessors, (20), 6 states have call successors, (11), 1 states have call predecessors, (11), 6 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) Word has length 42
[2025-05-07 17:28:22,510 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:22,511 INFO  L225             Difference]: With dead ends: 52
[2025-05-07 17:28:22,511 INFO  L226             Difference]: Without dead ends: 43
[2025-05-07 17:28:22,511 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72
[2025-05-07 17:28:22,512 INFO  L437           NwaCegarLoop]: 49 mSDtfsCounter, 1 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:22,512 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 324 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:28:22,513 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 43 states.
[2025-05-07 17:28:22,517 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43.
[2025-05-07 17:28:22,517 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 43 states, 20 states have (on average 1.0) internal successors, (20), 20 states have internal predecessors, (20), 11 states have call successors, (11), 11 states have call predecessors, (11), 11 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11)
[2025-05-07 17:28:22,518 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 42 transitions.
[2025-05-07 17:28:22,518 INFO  L79                 Accepts]: Start accepts. Automaton has 43 states and 42 transitions. Word has length 42
[2025-05-07 17:28:22,518 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:22,518 INFO  L485      AbstractCegarLoop]: Abstraction has 43 states and 42 transitions.
[2025-05-07 17:28:22,518 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 states have internal predecessors, (20), 6 states have call successors, (11), 1 states have call predecessors, (11), 6 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11)
[2025-05-07 17:28:22,518 INFO  L278                IsEmpty]: Start isEmpty. Operand 43 states and 42 transitions.
[2025-05-07 17:28:22,520 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2025-05-07 17:28:22,520 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:22,520 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:28:22,520 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:28:22,520 INFO  L403      AbstractCegarLoop]: === Iteration 4 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:22,521 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:22,521 INFO  L85        PathProgramCache]: Analyzing trace with hash 606896880, now seen corresponding path program 1 times
[2025-05-07 17:28:22,521 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:22,521 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815929460]
[2025-05-07 17:28:22,521 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:22,521 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:22,545 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes.
[2025-05-07 17:28:22,551 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements.
[2025-05-07 17:28:22,551 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:22,551 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:22,621 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:22,621 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:22,621 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815929460]
[2025-05-07 17:28:22,622 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815929460] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:22,622 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:22,622 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:28:22,622 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553077145]
[2025-05-07 17:28:22,622 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:22,622 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:28:22,622 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:22,623 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:28:22,623 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:28:22,623 INFO  L87              Difference]: Start difference. First operand 43 states and 42 transitions. Second operand  has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 4 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11)
[2025-05-07 17:28:22,631 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:22,631 INFO  L93              Difference]: Finished difference Result 31 states and 30 transitions.
[2025-05-07 17:28:22,631 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:28:22,632 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 4 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) Word has length 42
[2025-05-07 17:28:22,632 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:22,632 INFO  L225             Difference]: With dead ends: 31
[2025-05-07 17:28:22,632 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:28:22,632 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:28:22,633 INFO  L437           NwaCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:22,633 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:22,634 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:28:22,634 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:28:22,634 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-05-07 17:28:22,634 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:28:22,634 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42
[2025-05-07 17:28:22,634 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:22,634 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:28:22,634 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 4 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11)
[2025-05-07 17:28:22,635 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:28:22,635 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:28:22,637 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:28:22,638 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-05-07 17:28:22,641 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2025-05-07 17:28:22,643 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:28:22,646 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:28:22 BoogieIcfgContainer
[2025-05-07 17:28:22,646 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:28:22,647 INFO  L158              Benchmark]: Toolchain (without parser) took 1551.06ms. Allocated memory is still 234.9MB. Free memory was 158.5MB in the beginning and 182.1MB in the end (delta: -23.6MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:22,647 INFO  L158              Benchmark]: SmtParser took 0.21ms. Allocated memory is still 234.9MB. Free memory is still 173.3MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:22,647 INFO  L158              Benchmark]: ChcToBoogie took 33.96ms. Allocated memory is still 234.9MB. Free memory was 158.5MB in the beginning and 156.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:22,647 INFO  L158              Benchmark]: Boogie Preprocessor took 47.25ms. Allocated memory is still 234.9MB. Free memory was 156.7MB in the beginning and 154.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:22,647 INFO  L158              Benchmark]: RCFGBuilder took 279.71ms. Allocated memory is still 234.9MB. Free memory was 154.0MB in the beginning and 133.0MB in the end (delta: 21.0MB). Peak memory consumption was 33.6MB. Max. memory is 33.6GB.
[2025-05-07 17:28:22,648 INFO  L158              Benchmark]: TraceAbstraction took 1185.42ms. Allocated memory is still 234.9MB. Free memory was 132.5MB in the beginning and 182.1MB in the end (delta: -49.5MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:22,649 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.21ms. Allocated memory is still 234.9MB. Free memory is still 173.3MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 33.96ms. Allocated memory is still 234.9MB. Free memory was 158.5MB in the beginning and 156.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 47.25ms. Allocated memory is still 234.9MB. Free memory was 156.7MB in the beginning and 154.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 279.71ms. Allocated memory is still 234.9MB. Free memory was 154.0MB in the beginning and 133.0MB in the end (delta: 21.0MB). Peak memory consumption was 33.6MB. Max. memory is 33.6GB.
 * TraceAbstraction took 1185.42ms. Allocated memory is still 234.9MB. Free memory was 132.5MB in the beginning and 182.1MB in the end (delta: -49.5MB). There was no memory consumed. Max. memory is 33.6GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Unknown line] : the set of constraint Horn clauses is satisfiable
    For all program executions holds that the set of constraint Horn clauses is satisfiable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 13 procedures, 53 locations, 77 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 854 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 667 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 86 IncrementalHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 187 mSDtfsCounter, 86 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=0, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 168 NumberOfCodeBlocks, 168 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 232 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2025-05-07 17:28:22,660 INFO  L552       MonitoredProcess]: [MP /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
sat
