/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'cvc5 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal42.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-356b6ba-m [2024-11-01 12:47:44,288 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 12:47:44,347 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-01 12:47:44,353 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 12:47:44,354 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 12:47:44,371 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 12:47:44,374 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 12:47:44,375 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 12:47:44,375 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 12:47:44,376 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 12:47:44,376 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 12:47:44,376 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 12:47:44,377 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 12:47:44,377 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 12:47:44,377 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 12:47:44,377 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 12:47:44,378 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 12:47:44,378 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 12:47:44,380 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 12:47:44,380 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 12:47:44,381 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 12:47:44,381 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 12:47:44,381 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 12:47:44,381 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 12:47:44,381 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 12:47:44,381 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 12:47:44,382 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 12:47:44,382 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 12:47:44,382 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 12:47:44,382 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 12:47:44,382 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 12:47:44,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 12:47:44,383 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 12:47:44,383 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 12:47:44,383 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 12:47:44,383 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 12:47:44,383 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 12:47:44,383 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 12:47:44,384 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 12:47:44,384 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 12:47:44,384 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 12:47:44,385 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 12:47:44,385 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-01 12:47:44,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 12:47:44,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 12:47:44,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 12:47:44,643 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 12:47:44,643 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 12:47:44,644 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal42.c [2024-11-01 12:47:45,859 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 12:47:46,222 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 12:47:46,223 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal42.c [2024-11-01 12:47:46,244 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5495c12f7/b10ae993605742e59bb550f8c7585f6f/FLAG9bb22cf85 [2024-11-01 12:47:46,449 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5495c12f7/b10ae993605742e59bb550f8c7585f6f [2024-11-01 12:47:46,450 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 12:47:46,452 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 12:47:46,452 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 12:47:46,453 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 12:47:46,457 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 12:47:46,458 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 12:47:46" (1/1) ... [2024-11-01 12:47:46,459 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c2be542 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:47:46, skipping insertion in model container [2024-11-01 12:47:46,459 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 12:47:46" (1/1) ... [2024-11-01 12:47:46,519 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 12:47:46,701 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal42.c[1245,1258] [2024-11-01 12:47:47,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 12:47:47,076 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 12:47:47,084 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal42.c[1245,1258] [2024-11-01 12:47:47,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 12:47:47,241 INFO L204 MainTranslator]: Completed translation [2024-11-01 12:47:47,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:47:47 WrapperNode [2024-11-01 12:47:47,242 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 12:47:47,243 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 12:47:47,243 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 12:47:47,244 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 12:47:47,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:47:47" (1/1) ... [2024-11-01 12:47:47,294 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:47:47" (1/1) ... [2024-11-01 12:47:47,406 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2640 [2024-11-01 12:47:47,406 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 12:47:47,408 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 12:47:47,408 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 12:47:47,408 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 12:47:47,416 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:47:47" (1/1) ... [2024-11-01 12:47:47,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:47:47" (1/1) ... [2024-11-01 12:47:47,438 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:47:47" (1/1) ... [2024-11-01 12:47:47,496 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2024-11-01 12:47:47,497 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:47:47" (1/1) ... [2024-11-01 12:47:47,497 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:47:47" (1/1) ... [2024-11-01 12:47:47,534 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:47:47" (1/1) ... [2024-11-01 12:47:47,543 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:47:47" (1/1) ... [2024-11-01 12:47:47,552 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:47:47" (1/1) ... [2024-11-01 12:47:47,569 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:47:47" (1/1) ... [2024-11-01 12:47:47,585 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 12:47:47,586 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 12:47:47,587 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 12:47:47,587 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 12:47:47,587 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:47:47" (1/1) ... [2024-11-01 12:47:47,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 12:47:47,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 12:47:47,617 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-01 12:47:47,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-01 12:47:47,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 12:47:47,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 12:47:47,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-01 12:47:47,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 12:47:47,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 12:47:47,988 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 12:47:47,990 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 12:47:51,449 INFO L? ?]: Removed 1653 outVars from TransFormulas that were not future-live. [2024-11-01 12:47:51,449 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 12:47:51,459 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 12:47:51,460 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-01 12:47:51,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 12:47:51 BoogieIcfgContainer [2024-11-01 12:47:51,461 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 12:47:51,463 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 12:47:51,463 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 12:47:51,466 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 12:47:51,467 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 12:47:46" (1/3) ... [2024-11-01 12:47:51,467 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23850367 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 12:47:51, skipping insertion in model container [2024-11-01 12:47:51,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:47:47" (2/3) ... [2024-11-01 12:47:51,468 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23850367 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 12:47:51, skipping insertion in model container [2024-11-01 12:47:51,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 12:47:51" (3/3) ... [2024-11-01 12:47:51,469 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal42.c [2024-11-01 12:47:51,482 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 12:47:51,482 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 12:47:51,531 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 12:47:51,537 INFO L333 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=LoopHeads, 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;@34d28008, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 12:47:51,537 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 12:47:51,541 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 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) [2024-11-01 12:47:51,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-01 12:47:51,545 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 12:47:51,545 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-01 12:47:51,546 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 12:47:51,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 12:47:51,550 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-01 12:47:51,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 12:47:51,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [893435241] [2024-11-01 12:47:51,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 12:47:51,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-01 12:47:51,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-01 12:47:51,564 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 12:47:51,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-01 12:47:52,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 12:47:53,155 WARN L253 TraceCheckSpWp]: Trace formula consists of 1784 conjuncts, 1758 conjuncts are in the unsatisfiable core [2024-11-01 12:47:53,296 INFO L278 TraceCheckSpWp]: Computing forward predicates...