./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/operators/constant_propagation_1.sol_2_no_adts_000.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:28:49,870 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:28:49,911 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd9a39-1f8f-4c75-b75a-0ee714b64af9/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:28:49,914 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:28:49,915 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:28:49,928 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:28:49,928 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:28:49,928 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:28:49,929 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:28:49,929 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:28:49,929 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:28:49,929 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:28:49,929 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:28:49,929 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:28:49,929 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:28:49,929 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:28:49,930 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:28:49,930 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:28:49,930 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:28:49,930 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:28:49,930 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:28:49,930 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:28:49,930 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:28:49,930 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:28:49,930 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:28:49,931 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:28:49,931 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:28:50,117 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:28:50,125 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:28:50,127 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:28:50,129 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:28:50,129 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:28:50,130 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd9a39-1f8f-4c75-b75a-0ee714b64af9/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/operators/constant_propagation_1.sol_2_no_adts_000.smt2
[2025-05-07 17:28:50,131 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:28:50,135 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:28:50,357 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52fd9a39-1f8f-4c75-b75a-0ee714b64af9/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/operators/constant_propagation_1.sol_2_no_adts_000.smt2
[2025-05-07 17:28:50,360 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:28:50,361 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:28:50,361 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:28:50,361 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:28:50,362 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:28:50,364 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:28:50" (1/1) ...
[2025-05-07 17:28:50,396 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:50 Unit
[2025-05-07 17:28:50,396 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:28:50,397 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:28:50,397 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:28:50,397 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:28:50,409 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:50" (1/1) ...
[2025-05-07 17:28:50,409 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:50" (1/1) ...
[2025-05-07 17:28:50,434 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:50" (1/1) ...
[2025-05-07 17:28:50,434 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:50" (1/1) ...
[2025-05-07 17:28:50,439 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:50" (1/1) ...
[2025-05-07 17:28:50,440 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:50" (1/1) ...
[2025-05-07 17:28:50,442 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:50" (1/1) ...
[2025-05-07 17:28:50,444 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:50" (1/1) ...
[2025-05-07 17:28:50,445 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:50" (1/1) ...
[2025-05-07 17:28:50,460 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:28:50,461 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:28:50,461 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:28:50,461 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:28:50,462 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:50" (1/1) ...
[2025-05-07 17:28:50,464 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:28:50,477 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:28:50,485 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 17:28:50,488 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 17:28:50,495 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:28:50,495 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:28:50,495 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:28:50,495 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_5_0 given in one single declaration
[2025-05-07 17:28:50,495 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_5_0
[2025-05-07 17:28:50,496 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_5_0
[2025-05-07 17:28:50,496 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_0_C_33_0 given in one single declaration
[2025-05-07 17:28:50,496 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_0_C_33_0
[2025-05-07 17:28:50,496 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_0_C_33_0
[2025-05-07 17:28:50,496 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_2_C_33_0 given in one single declaration
[2025-05-07 17:28:50,496 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_2_C_33_0
[2025-05-07 17:28:50,496 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_2_C_33_0
[2025-05-07 17:28:50,496 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_15_C_33_0 given in one single declaration
[2025-05-07 17:28:50,496 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_15_C_33_0
[2025-05-07 17:28:50,496 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_15_C_33_0
[2025-05-07 17:28:50,496 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_12_C_33_0 given in one single declaration
[2025-05-07 17:28:50,496 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_12_C_33_0
[2025-05-07 17:28:50,497 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_12_C_33_0
[2025-05-07 17:28:50,497 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_14_C_33_0 given in one single declaration
[2025-05-07 17:28:50,497 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_14_C_33_0
[2025-05-07 17:28:50,497 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_14_C_33_0
[2025-05-07 17:28:50,497 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_13_C_33_0 given in one single declaration
[2025-05-07 17:28:50,497 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_13_C_33_0
[2025-05-07 17:28:50,497 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_13_C_33_0
[2025-05-07 17:28:50,497 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_4_function_f__32_33_0 given in one single declaration
[2025-05-07 17:28:50,497 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_4_function_f__32_33_0
[2025-05-07 17:28:50,497 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_4_function_f__32_33_0
[2025-05-07 17:28:50,497 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_3_function_f__32_33_0 given in one single declaration
[2025-05-07 17:28:50,497 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_3_function_f__32_33_0
[2025-05-07 17:28:50,497 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_3_function_f__32_33_0
[2025-05-07 17:28:50,497 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_10_function_f__32_33_0 given in one single declaration
[2025-05-07 17:28:50,497 INFO  L130     BoogieDeclarations]: Found specification of procedure block_10_function_f__32_33_0
[2025-05-07 17:28:50,498 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_10_function_f__32_33_0
[2025-05-07 17:28:50,498 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_6_f_31_33_0 given in one single declaration
[2025-05-07 17:28:50,498 INFO  L130     BoogieDeclarations]: Found specification of procedure block_6_f_31_33_0
[2025-05-07 17:28:50,498 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_6_f_31_33_0
[2025-05-07 17:28:50,498 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_5_function_f__32_33_0 given in one single declaration
[2025-05-07 17:28:50,498 INFO  L130     BoogieDeclarations]: Found specification of procedure block_5_function_f__32_33_0
[2025-05-07 17:28:50,498 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_5_function_f__32_33_0
[2025-05-07 17:28:50,498 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_7_return_function_f__32_33_0 given in one single declaration
[2025-05-07 17:28:50,498 INFO  L130     BoogieDeclarations]: Found specification of procedure block_7_return_function_f__32_33_0
[2025-05-07 17:28:50,498 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_7_return_function_f__32_33_0
[2025-05-07 17:28:50,498 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_8_function_f__32_33_0 given in one single declaration
[2025-05-07 17:28:50,498 INFO  L130     BoogieDeclarations]: Found specification of procedure block_8_function_f__32_33_0
[2025-05-07 17:28:50,498 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_8_function_f__32_33_0
[2025-05-07 17:28:50,498 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_9_function_f__32_33_0 given in one single declaration
[2025-05-07 17:28:50,499 INFO  L130     BoogieDeclarations]: Found specification of procedure block_9_function_f__32_33_0
[2025-05-07 17:28:50,499 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_9_function_f__32_33_0
[2025-05-07 17:28:50,499 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_11_function_f__32_33_0 given in one single declaration
[2025-05-07 17:28:50,499 INFO  L130     BoogieDeclarations]: Found specification of procedure block_11_function_f__32_33_0
[2025-05-07 17:28:50,499 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_11_function_f__32_33_0
[2025-05-07 17:28:50,499 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:28:50,499 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:28:50,499 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:28:50,614 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:28:50,617 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:28:50,794 INFO  L?                        ?]: Removed 137 outVars from TransFormulas that were not future-live.
[2025-05-07 17:28:50,794 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:28:50,802 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:28:50,803 INFO  L312             CfgBuilder]: Removed 8 assume(true) statements.
[2025-05-07 17:28:50,803 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:28:50 BoogieIcfgContainer
[2025-05-07 17:28:50,803 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:28:50,806 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:28:50,806 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:28:50,809 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:28:50,809 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:28:50" (1/3) ...
[2025-05-07 17:28:50,809 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@223b5c21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:28:50, skipping insertion in model container
[2025-05-07 17:28:50,809 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:50" (2/3) ...
[2025-05-07 17:28:50,810 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@223b5c21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:28:50, skipping insertion in model container
[2025-05-07 17:28:50,810 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:28:50" (3/3) ...
[2025-05-07 17:28:50,811 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:28:50,830 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:28:50,832 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 18 procedures, 71 locations, 106 edges, 18 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:28:50,865 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:28:50,877 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;@4b0a2ded, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:28:50,877 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:28:50,880 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 71 states, 31 states have (on average 1.096774193548387) internal successors, (34), 34 states have internal predecessors, (34), 21 states have call successors, (24), 17 states have call predecessors, (24), 17 states have return successors, (24), 19 states have call predecessors, (24), 21 states have call successors, (24)
[2025-05-07 17:28:50,886 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2025-05-07 17:28:50,886 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:50,887 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:28:50,887 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:50,891 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:50,891 INFO  L85        PathProgramCache]: Analyzing trace with hash -1916749379, now seen corresponding path program 1 times
[2025-05-07 17:28:50,896 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:50,896 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098460060]
[2025-05-07 17:28:50,896 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:50,897 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:50,949 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes.
[2025-05-07 17:28:50,974 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements.
[2025-05-07 17:28:50,974 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:50,974 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:51,058 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 17:28:51,059 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:51,059 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098460060]
[2025-05-07 17:28:51,060 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098460060] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:51,060 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:51,062 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2025-05-07 17:28:51,063 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952657382]
[2025-05-07 17:28:51,063 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:51,066 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2025-05-07 17:28:51,066 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:51,088 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2025-05-07 17:28:51,088 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2025-05-07 17:28:51,090 INFO  L87              Difference]: Start difference. First operand  has 71 states, 31 states have (on average 1.096774193548387) internal successors, (34), 34 states have internal predecessors, (34), 21 states have call successors, (24), 17 states have call predecessors, (24), 17 states have return successors, (24), 19 states have call predecessors, (24), 21 states have call successors, (24) Second operand  has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14)
[2025-05-07 17:28:51,118 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:51,118 INFO  L93              Difference]: Finished difference Result 63 states and 70 transitions.
[2025-05-07 17:28:51,119 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2025-05-07 17:28:51,120 INFO  L79                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 52
[2025-05-07 17:28:51,120 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:51,125 INFO  L225             Difference]: With dead ends: 63
[2025-05-07 17:28:51,125 INFO  L226             Difference]: Without dead ends: 61
[2025-05-07 17:28:51,126 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2025-05-07 17:28:51,129 INFO  L437           NwaCegarLoop]: 70 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:51,129 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:51,143 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 61 states.
[2025-05-07 17:28:51,164 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61.
[2025-05-07 17:28:51,165 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 61 states, 26 states have (on average 1.0769230769230769) internal successors, (28), 28 states have internal predecessors, (28), 19 states have call successors, (20), 15 states have call predecessors, (20), 15 states have return successors, (20), 17 states have call predecessors, (20), 19 states have call successors, (20)
[2025-05-07 17:28:51,173 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 68 transitions.
[2025-05-07 17:28:51,175 INFO  L79                 Accepts]: Start accepts. Automaton has 61 states and 68 transitions. Word has length 52
[2025-05-07 17:28:51,176 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:51,176 INFO  L485      AbstractCegarLoop]: Abstraction has 61 states and 68 transitions.
[2025-05-07 17:28:51,176 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14)
[2025-05-07 17:28:51,176 INFO  L278                IsEmpty]: Start isEmpty. Operand 61 states and 68 transitions.
[2025-05-07 17:28:51,178 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2025-05-07 17:28:51,179 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:51,179 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:28:51,179 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:28:51,179 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:51,180 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:51,180 INFO  L85        PathProgramCache]: Analyzing trace with hash -298485611, now seen corresponding path program 1 times
[2025-05-07 17:28:51,180 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:51,180 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183993632]
[2025-05-07 17:28:51,181 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:51,181 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:51,217 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes.
[2025-05-07 17:28:51,262 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements.
[2025-05-07 17:28:51,263 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:51,263 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:51,532 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 17:28:51,532 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:51,533 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183993632]
[2025-05-07 17:28:51,533 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183993632] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:51,533 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:51,533 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2025-05-07 17:28:51,533 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858483286]
[2025-05-07 17:28:51,533 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:51,534 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2025-05-07 17:28:51,534 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:51,534 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2025-05-07 17:28:51,535 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2025-05-07 17:28:51,535 INFO  L87              Difference]: Start difference. First operand 61 states and 68 transitions. Second operand  has 9 states, 6 states have (on average 4.0) internal successors, (24), 9 states have internal predecessors, (24), 6 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (14), 7 states have call predecessors, (14), 6 states have call successors, (14)
[2025-05-07 17:28:51,635 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:51,635 INFO  L93              Difference]: Finished difference Result 65 states and 72 transitions.
[2025-05-07 17:28:51,636 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2025-05-07 17:28:51,636 INFO  L79                 Accepts]: Start accepts. Automaton has  has 9 states, 6 states have (on average 4.0) internal successors, (24), 9 states have internal predecessors, (24), 6 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (14), 7 states have call predecessors, (14), 6 states have call successors, (14) Word has length 52
[2025-05-07 17:28:51,636 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:51,637 INFO  L225             Difference]: With dead ends: 65
[2025-05-07 17:28:51,637 INFO  L226             Difference]: Without dead ends: 65
[2025-05-07 17:28:51,637 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90
[2025-05-07 17:28:51,638 INFO  L437           NwaCegarLoop]: 65 mSDtfsCounter, 3 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:51,638 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 491 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:28:51,638 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 65 states.
[2025-05-07 17:28:51,643 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65.
[2025-05-07 17:28:51,644 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 65 states, 28 states have (on average 1.0714285714285714) internal successors, (30), 30 states have internal predecessors, (30), 19 states have call successors, (20), 15 states have call predecessors, (20), 17 states have return successors, (22), 19 states have call predecessors, (22), 19 states have call successors, (22)
[2025-05-07 17:28:51,644 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 72 transitions.
[2025-05-07 17:28:51,645 INFO  L79                 Accepts]: Start accepts. Automaton has 65 states and 72 transitions. Word has length 52
[2025-05-07 17:28:51,645 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:51,645 INFO  L485      AbstractCegarLoop]: Abstraction has 65 states and 72 transitions.
[2025-05-07 17:28:51,645 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 6 states have (on average 4.0) internal successors, (24), 9 states have internal predecessors, (24), 6 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (14), 7 states have call predecessors, (14), 6 states have call successors, (14)
[2025-05-07 17:28:51,645 INFO  L278                IsEmpty]: Start isEmpty. Operand 65 states and 72 transitions.
[2025-05-07 17:28:51,647 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2025-05-07 17:28:51,647 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:51,647 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:28:51,647 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:28:51,647 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:51,648 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:51,648 INFO  L85        PathProgramCache]: Analyzing trace with hash 932240323, now seen corresponding path program 1 times
[2025-05-07 17:28:51,648 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:51,648 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150382773]
[2025-05-07 17:28:51,648 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:51,648 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:51,672 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes.
[2025-05-07 17:28:51,685 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements.
[2025-05-07 17:28:51,685 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:51,685 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:51,771 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 17:28:51,771 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:51,771 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150382773]
[2025-05-07 17:28:51,771 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150382773] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:51,771 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:51,771 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:28:51,771 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664766778]
[2025-05-07 17:28:51,771 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:51,772 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:28:51,772 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:51,772 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:28:51,772 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:51,773 INFO  L87              Difference]: Start difference. First operand 65 states and 72 transitions. Second operand  has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 4 states have call successors, (14), 1 states have call predecessors, (14), 5 states have return successors, (14), 5 states have call predecessors, (14), 4 states have call successors, (14)
[2025-05-07 17:28:51,794 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:51,794 INFO  L93              Difference]: Finished difference Result 32 states and 32 transitions.
[2025-05-07 17:28:51,795 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:28:51,795 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 4 states have call successors, (14), 1 states have call predecessors, (14), 5 states have return successors, (14), 5 states have call predecessors, (14), 4 states have call successors, (14) Word has length 52
[2025-05-07 17:28:51,795 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:51,795 INFO  L225             Difference]: With dead ends: 32
[2025-05-07 17:28:51,795 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:28:51,796 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:51,796 INFO  L437           NwaCegarLoop]: 27 mSDtfsCounter, 0 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:51,796 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:51,797 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:28:51,797 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:28:51,797 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 17:28:51,797 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:28:51,797 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 52
[2025-05-07 17:28:51,797 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:51,797 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:28:51,798 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 4 states have call successors, (14), 1 states have call predecessors, (14), 5 states have return successors, (14), 5 states have call predecessors, (14), 4 states have call successors, (14)
[2025-05-07 17:28:51,798 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:28:51,798 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:28:51,800 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:28:51,800 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:28:51,802 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2025-05-07 17:28:51,804 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:28:51,807 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:28:51 BoogieIcfgContainer
[2025-05-07 17:28:51,807 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:28:51,807 INFO  L158              Benchmark]: Toolchain (without parser) took 1446.65ms. Allocated memory is still 234.9MB. Free memory was 153.7MB in the beginning and 84.1MB in the end (delta: 69.6MB). Peak memory consumption was 74.8MB. Max. memory is 33.6GB.
[2025-05-07 17:28:51,807 INFO  L158              Benchmark]: SmtParser took 0.26ms. Allocated memory is still 234.9MB. Free memory is still 172.2MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:51,808 INFO  L158              Benchmark]: ChcToBoogie took 35.21ms. Allocated memory is still 234.9MB. Free memory was 153.7MB in the beginning and 151.5MB in the end (delta: 2.3MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
[2025-05-07 17:28:51,808 INFO  L158              Benchmark]: Boogie Preprocessor took 63.15ms. Allocated memory is still 234.9MB. Free memory was 151.5MB in the beginning and 148.5MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:51,808 INFO  L158              Benchmark]: RCFGBuilder took 342.60ms. Allocated memory is still 234.9MB. Free memory was 148.5MB in the beginning and 121.8MB in the end (delta: 26.7MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
[2025-05-07 17:28:51,808 INFO  L158              Benchmark]: TraceAbstraction took 1001.19ms. Allocated memory is still 234.9MB. Free memory was 121.1MB in the beginning and 84.1MB in the end (delta: 37.0MB). Peak memory consumption was 41.2MB. Max. memory is 33.6GB.
[2025-05-07 17:28:51,809 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 172.2MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 35.21ms. Allocated memory is still 234.9MB. Free memory was 153.7MB in the beginning and 151.5MB in the end (delta: 2.3MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
 * Boogie Preprocessor took 63.15ms. Allocated memory is still 234.9MB. Free memory was 151.5MB in the beginning and 148.5MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 342.60ms. Allocated memory is still 234.9MB. Free memory was 148.5MB in the beginning and 121.8MB in the end (delta: 26.7MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
 * TraceAbstraction took 1001.19ms. Allocated memory is still 234.9MB. Free memory was 121.1MB in the beginning and 84.1MB in the end (delta: 37.0MB). Peak memory consumption was 41.2MB. 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 18 procedures, 71 locations, 106 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 690 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 528 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 74 IncrementalHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 162 mSDtfsCounter, 74 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred in iteration=0, InterpolantAutomatonStates: 17, 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, 0.4s InterpolantComputationTime, 156 NumberOfCodeBlocks, 156 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 153 ConstructedInterpolants, 0 QuantifiedInterpolants, 203 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 17:28:51,820 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
