./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/special/msg_sender_3.sol_0_no_adts_000.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:26:10,617 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:26:10,666 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d25811-0c35-43e5-8ab1-58339d889cff/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:26:10,670 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:26:10,670 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:26:10,687 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:26:10,688 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:26:10,688 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:26:10,688 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:26:10,688 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:26:10,688 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:26:10,689 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:26:10,689 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:26:10,689 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:26:10,689 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:26:10,689 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:26:10,689 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:26:10,689 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:26:10,689 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:26:10,689 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:26:10,690 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:26:10,690 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:26:10,690 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:26:10,690 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:26:10,690 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:26:10,691 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:26:10,691 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:26:10,905 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:26:10,913 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:26:10,915 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:26:10,916 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:26:10,917 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:26:10,918 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d25811-0c35-43e5-8ab1-58339d889cff/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/special/msg_sender_3.sol_0_no_adts_000.smt2
[2025-05-07 17:26:10,919 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:26:10,921 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:26:11,099 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07d25811-0c35-43e5-8ab1-58339d889cff/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/special/msg_sender_3.sol_0_no_adts_000.smt2
[2025-05-07 17:26:11,102 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:26:11,103 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:26:11,104 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:26:11,104 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:26:11,105 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:26:11,107 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:26:11" (1/1) ...
[2025-05-07 17:26:11,137 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:11 Unit
[2025-05-07 17:26:11,138 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:26:11,139 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:26:11,139 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:26:11,139 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:26:11,152 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:11" (1/1) ...
[2025-05-07 17:26:11,152 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:11" (1/1) ...
[2025-05-07 17:26:11,173 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:11" (1/1) ...
[2025-05-07 17:26:11,174 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:11" (1/1) ...
[2025-05-07 17:26:11,177 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:11" (1/1) ...
[2025-05-07 17:26:11,178 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:11" (1/1) ...
[2025-05-07 17:26:11,179 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:11" (1/1) ...
[2025-05-07 17:26:11,180 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:11" (1/1) ...
[2025-05-07 17:26:11,181 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:11" (1/1) ...
[2025-05-07 17:26:11,191 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:26:11,192 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:26:11,192 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:26:11,192 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:26:11,193 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:11" (1/1) ...
[2025-05-07 17:26:11,194 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:26:11,205 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:26:11,215 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 17:26:11,217 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 17:26:11,225 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:26:11,226 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:26:11,226 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:26:11,226 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_3_0 given in one single declaration
[2025-05-07 17:26:11,226 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_3_0
[2025-05-07 17:26:11,226 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_3_0
[2025-05-07 17:26:11,226 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_2_C_21_0 given in one single declaration
[2025-05-07 17:26:11,226 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_2_C_21_0
[2025-05-07 17:26:11,226 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_2_C_21_0
[2025-05-07 17:26:11,226 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_15_C_21_0 given in one single declaration
[2025-05-07 17:26:11,226 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_15_C_21_0
[2025-05-07 17:26:11,226 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_15_C_21_0
[2025-05-07 17:26:11,226 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_12_C_21_0 given in one single declaration
[2025-05-07 17:26:11,226 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_12_C_21_0
[2025-05-07 17:26:11,226 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_12_C_21_0
[2025-05-07 17:26:11,227 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_3_constructor_20_21_0 given in one single declaration
[2025-05-07 17:26:11,227 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_3_constructor_20_21_0
[2025-05-07 17:26:11,227 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_3_constructor_20_21_0
[2025-05-07 17:26:11,227 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_11_constructor_20_21_0 given in one single declaration
[2025-05-07 17:26:11,227 INFO  L130     BoogieDeclarations]: Found specification of procedure block_11_constructor_20_21_0
[2025-05-07 17:26:11,227 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_11_constructor_20_21_0
[2025-05-07 17:26:11,227 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_9__19_21_0 given in one single declaration
[2025-05-07 17:26:11,227 INFO  L130     BoogieDeclarations]: Found specification of procedure block_9__19_21_0
[2025-05-07 17:26:11,227 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_9__19_21_0
[2025-05-07 17:26:11,227 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_8_constructor_20_21_0 given in one single declaration
[2025-05-07 17:26:11,227 INFO  L130     BoogieDeclarations]: Found specification of procedure block_8_constructor_20_21_0
[2025-05-07 17:26:11,227 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_8_constructor_20_21_0
[2025-05-07 17:26:11,227 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_10_return_constructor_20_21_0 given in one single declaration
[2025-05-07 17:26:11,227 INFO  L130     BoogieDeclarations]: Found specification of procedure block_10_return_constructor_20_21_0
[2025-05-07 17:26:11,227 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_10_return_constructor_20_21_0
[2025-05-07 17:26:11,227 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_14_C_21_0 given in one single declaration
[2025-05-07 17:26:11,228 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_14_C_21_0
[2025-05-07 17:26:11,228 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_14_C_21_0
[2025-05-07 17:26:11,228 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_13_C_21_0 given in one single declaration
[2025-05-07 17:26:11,228 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_13_C_21_0
[2025-05-07 17:26:11,228 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_13_C_21_0
[2025-05-07 17:26:11,228 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:26:11,228 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:26:11,228 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:26:11,319 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:26:11,321 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:26:11,447 INFO  L?                        ?]: Removed 90 outVars from TransFormulas that were not future-live.
[2025-05-07 17:26:11,447 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:26:11,454 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:26:11,454 INFO  L312             CfgBuilder]: Removed 5 assume(true) statements.
[2025-05-07 17:26:11,455 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:26:11 BoogieIcfgContainer
[2025-05-07 17:26:11,455 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:26:11,457 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:26:11,457 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:26:11,459 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:26:11,459 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:26:11" (1/3) ...
[2025-05-07 17:26:11,460 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ca0363a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:26:11, skipping insertion in model container
[2025-05-07 17:26:11,460 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:26:11" (2/3) ...
[2025-05-07 17:26:11,460 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ca0363a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:26:11, skipping insertion in model container
[2025-05-07 17:26:11,460 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:26:11" (3/3) ...
[2025-05-07 17:26:11,461 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:26:11,471 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:26:11,473 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 13 procedures, 52 locations, 76 edges, 13 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:26:11,501 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:26:11,509 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;@15f29e9a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:26:11,509 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:26:11,512 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 52 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 25 states have internal predecessors, (25), 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 17:26:11,518 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2025-05-07 17:26:11,518 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:11,519 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]
[2025-05-07 17:26:11,519 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:11,522 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:11,522 INFO  L85        PathProgramCache]: Analyzing trace with hash 48014049, now seen corresponding path program 1 times
[2025-05-07 17:26:11,528 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:11,528 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795972199]
[2025-05-07 17:26:11,528 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:11,528 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:11,566 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes.
[2025-05-07 17:26:11,586 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements.
[2025-05-07 17:26:11,587 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:11,587 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:11,784 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 17:26:11,784 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:11,784 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795972199]
[2025-05-07 17:26:11,785 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795972199] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:11,785 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:11,787 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:26:11,788 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472658053]
[2025-05-07 17:26:11,788 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:11,791 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:26:11,791 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:11,810 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:26:11,811 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:26:11,812 INFO  L87              Difference]: Start difference. First operand  has 52 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 25 states have internal predecessors, (25), 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 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 17:26:11,852 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:11,853 INFO  L93              Difference]: Finished difference Result 49 states and 53 transitions.
[2025-05-07 17:26:11,854 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:26:11,855 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 41
[2025-05-07 17:26:11,856 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:11,862 INFO  L225             Difference]: With dead ends: 49
[2025-05-07 17:26:11,863 INFO  L226             Difference]: Without dead ends: 44
[2025-05-07 17:26:11,864 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 17:26:11,867 INFO  L437           NwaCegarLoop]: 52 mSDtfsCounter, 1 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 148 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 17:26:11,868 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 148 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:26:11,888 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 44 states.
[2025-05-07 17:26:11,902 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44.
[2025-05-07 17:26:11,903 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 44 states, 19 states have (on average 1.0526315789473684) internal successors, (20), 20 states have internal predecessors, (20), 13 states have call successors, (13), 11 states have call predecessors, (13), 11 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13)
[2025-05-07 17:26:11,905 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 46 transitions.
[2025-05-07 17:26:11,906 INFO  L79                 Accepts]: Start accepts. Automaton has 44 states and 46 transitions. Word has length 41
[2025-05-07 17:26:11,906 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:11,907 INFO  L485      AbstractCegarLoop]: Abstraction has 44 states and 46 transitions.
[2025-05-07 17:26:11,907 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 17:26:11,907 INFO  L278                IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions.
[2025-05-07 17:26:11,908 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2025-05-07 17:26:11,908 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:11,908 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]
[2025-05-07 17:26:11,909 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:26:11,909 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:11,909 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:11,909 INFO  L85        PathProgramCache]: Analyzing trace with hash 878110301, now seen corresponding path program 1 times
[2025-05-07 17:26:11,910 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:11,910 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677358139]
[2025-05-07 17:26:11,910 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:11,910 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:11,934 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes.
[2025-05-07 17:26:11,944 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements.
[2025-05-07 17:26:11,944 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:11,944 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:12,012 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 17:26:12,012 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:12,012 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677358139]
[2025-05-07 17:26:12,012 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677358139] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:12,012 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:12,012 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:26:12,012 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843483822]
[2025-05-07 17:26:12,012 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:12,013 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:26:12,013 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:12,014 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:26:12,014 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:26:12,014 INFO  L87              Difference]: Start difference. First operand 44 states and 46 transitions. Second operand  has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 17:26:12,035 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:12,035 INFO  L93              Difference]: Finished difference Result 46 states and 47 transitions.
[2025-05-07 17:26:12,035 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:26:12,036 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 41
[2025-05-07 17:26:12,036 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:12,037 INFO  L225             Difference]: With dead ends: 46
[2025-05-07 17:26:12,037 INFO  L226             Difference]: Without dead ends: 42
[2025-05-07 17:26:12,037 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 17:26:12,038 INFO  L437           NwaCegarLoop]: 46 mSDtfsCounter, 1 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:12,038 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 127 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:26:12,039 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 42 states.
[2025-05-07 17:26:12,043 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42.
[2025-05-07 17:26:12,043 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 42 states, 19 states have (on average 1.0) internal successors, (19), 19 states have internal predecessors, (19), 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 17:26:12,044 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 41 transitions.
[2025-05-07 17:26:12,044 INFO  L79                 Accepts]: Start accepts. Automaton has 42 states and 41 transitions. Word has length 41
[2025-05-07 17:26:12,044 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:12,044 INFO  L485      AbstractCegarLoop]: Abstraction has 42 states and 41 transitions.
[2025-05-07 17:26:12,044 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 17:26:12,044 INFO  L278                IsEmpty]: Start isEmpty. Operand 42 states and 41 transitions.
[2025-05-07 17:26:12,045 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2025-05-07 17:26:12,045 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:26:12,045 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]
[2025-05-07 17:26:12,046 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:26:12,046 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:26:12,046 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:26:12,046 INFO  L85        PathProgramCache]: Analyzing trace with hash -197624615, now seen corresponding path program 1 times
[2025-05-07 17:26:12,047 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:26:12,047 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980177687]
[2025-05-07 17:26:12,047 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:26:12,047 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:26:12,073 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes.
[2025-05-07 17:26:12,090 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements.
[2025-05-07 17:26:12,090 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:26:12,090 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:26:12,176 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 17:26:12,177 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:26:12,177 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980177687]
[2025-05-07 17:26:12,177 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980177687] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:26:12,177 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:26:12,177 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2025-05-07 17:26:12,177 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19344193]
[2025-05-07 17:26:12,177 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:26:12,177 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2025-05-07 17:26:12,177 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:26:12,178 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2025-05-07 17:26:12,178 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2025-05-07 17:26:12,178 INFO  L87              Difference]: Start difference. First operand 42 states and 41 transitions. Second operand  has 7 states, 5 states have (on average 3.8) internal successors, (19), 7 states have internal predecessors, (19), 5 states have call successors, (11), 1 states have call predecessors, (11), 5 states have return successors, (11), 6 states have call predecessors, (11), 5 states have call successors, (11)
[2025-05-07 17:26:12,217 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:26:12,217 INFO  L93              Difference]: Finished difference Result 28 states and 27 transitions.
[2025-05-07 17:26:12,217 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2025-05-07 17:26:12,217 INFO  L79                 Accepts]: Start accepts. Automaton has  has 7 states, 5 states have (on average 3.8) internal successors, (19), 7 states have internal predecessors, (19), 5 states have call successors, (11), 1 states have call predecessors, (11), 5 states have return successors, (11), 6 states have call predecessors, (11), 5 states have call successors, (11) Word has length 41
[2025-05-07 17:26:12,217 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:26:12,218 INFO  L225             Difference]: With dead ends: 28
[2025-05-07 17:26:12,218 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:26:12,218 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 17:26:12,218 INFO  L437           NwaCegarLoop]: 25 mSDtfsCounter, 1 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:26:12,218 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 135 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:26:12,219 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:26:12,219 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:26:12,219 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 17:26:12,219 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:26:12,219 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41
[2025-05-07 17:26:12,219 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:26:12,219 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:26:12,219 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 5 states have (on average 3.8) internal successors, (19), 7 states have internal predecessors, (19), 5 states have call successors, (11), 1 states have call predecessors, (11), 5 states have return successors, (11), 6 states have call predecessors, (11), 5 states have call successors, (11)
[2025-05-07 17:26:12,220 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:26:12,220 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:26:12,221 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:26:12,222 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:26:12,224 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2025-05-07 17:26:12,226 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:26:12,228 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:26:12 BoogieIcfgContainer
[2025-05-07 17:26:12,228 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:26:12,228 INFO  L158              Benchmark]: Toolchain (without parser) took 1125.11ms. Allocated memory is still 234.9MB. Free memory was 158.0MB in the beginning and 140.8MB in the end (delta: 17.2MB). Peak memory consumption was 40.8MB. Max. memory is 33.6GB.
[2025-05-07 17:26:12,228 INFO  L158              Benchmark]: SmtParser took 0.26ms. Allocated memory is still 234.9MB. Free memory is still 171.3MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:26:12,229 INFO  L158              Benchmark]: ChcToBoogie took 33.79ms. Allocated memory is still 234.9MB. Free memory was 158.0MB in the beginning and 155.0MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:26:12,229 INFO  L158              Benchmark]: Boogie Preprocessor took 52.71ms. Allocated memory is still 234.9MB. Free memory was 155.0MB in the beginning and 152.3MB in the end (delta: 2.6MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
[2025-05-07 17:26:12,229 INFO  L158              Benchmark]: RCFGBuilder took 263.07ms. Allocated memory is still 234.9MB. Free memory was 152.3MB in the beginning and 132.8MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
[2025-05-07 17:26:12,229 INFO  L158              Benchmark]: TraceAbstraction took 771.34ms. Allocated memory is still 234.9MB. Free memory was 132.2MB in the beginning and 140.8MB in the end (delta: -8.6MB). Peak memory consumption was 7.2MB. Max. memory is 33.6GB.
[2025-05-07 17:26:12,230 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.26ms. Allocated memory is still 234.9MB. Free memory is still 171.3MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 33.79ms. Allocated memory is still 234.9MB. Free memory was 158.0MB in the beginning and 155.0MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 52.71ms. Allocated memory is still 234.9MB. Free memory was 155.0MB in the beginning and 152.3MB in the end (delta: 2.6MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
 * RCFGBuilder took 263.07ms. Allocated memory is still 234.9MB. Free memory was 152.3MB in the beginning and 132.8MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
 * TraceAbstraction took 771.34ms. Allocated memory is still 234.9MB. Free memory was 132.2MB in the beginning and 140.8MB in the end (delta: -8.6MB). Peak memory consumption was 7.2MB. 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, 52 locations, 76 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 410 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 287 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23 IncrementalHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 123 mSDtfsCounter, 23 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, InterpolantAutomatonStates: 15, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 123 NumberOfCodeBlocks, 123 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 160 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 17:26:12,240 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
