/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.cal175.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-356b6ba-m [2024-11-01 12:37:36,035 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 12:37:36,110 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 12:37:36,115 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 12:37:36,115 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 12:37:36,149 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 12:37:36,150 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 12:37:36,150 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 12:37:36,151 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 12:37:36,151 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 12:37:36,151 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 12:37:36,152 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 12:37:36,153 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 12:37:36,156 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 12:37:36,156 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 12:37:36,156 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 12:37:36,157 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 12:37:36,157 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 12:37:36,157 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 12:37:36,157 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 12:37:36,157 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 12:37:36,159 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 12:37:36,159 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 12:37:36,159 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 12:37:36,159 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 12:37:36,159 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 12:37:36,160 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 12:37:36,160 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 12:37:36,160 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 12:37:36,161 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 12:37:36,161 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 12:37:36,161 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 12:37:36,161 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 12:37:36,161 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 12:37:36,162 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 12:37:36,162 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 12:37:36,162 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 12:37:36,162 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 12:37:36,163 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 12:37:36,163 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 12:37:36,163 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 12:37:36,164 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 12:37:36,164 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-01 12:37:36,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 12:37:36,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 12:37:36,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 12:37:36,501 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 12:37:36,501 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 12:37:36,502 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal175.c [2024-11-01 12:37:37,975 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 12:37:38,474 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 12:37:38,474 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal175.c [2024-11-01 12:37:38,523 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbf3dc83e/4ca16d5bdac04f738c5165b1b1bce601/FLAGc0ac5f6fb [2024-11-01 12:37:39,031 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbf3dc83e/4ca16d5bdac04f738c5165b1b1bce601 [2024-11-01 12:37:39,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 12:37:39,034 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 12:37:39,036 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 12:37:39,036 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 12:37:39,041 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 12:37:39,042 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 12:37:39" (1/1) ... [2024-11-01 12:37:39,043 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c39142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:37:39, skipping insertion in model container [2024-11-01 12:37:39,043 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 12:37:39" (1/1) ... [2024-11-01 12:37:39,167 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 12:37:39,508 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.cal175.c[1246,1259] [2024-11-01 12:37:40,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 12:37:40,495 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 12:37:40,506 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.cal175.c[1246,1259] [2024-11-01 12:37:40,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 12:37:40,991 INFO L204 MainTranslator]: Completed translation [2024-11-01 12:37:40,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:37:40 WrapperNode [2024-11-01 12:37:40,993 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 12:37:40,994 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 12:37:40,994 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 12:37:40,994 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 12:37:41,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:37:40" (1/1) ... [2024-11-01 12:37:41,102 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:37:40" (1/1) ... [2024-11-01 12:37:41,500 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 10415 [2024-11-01 12:37:41,501 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 12:37:41,502 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 12:37:41,503 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 12:37:41,503 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 12:37:41,590 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:37:40" (1/1) ... [2024-11-01 12:37:41,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:37:40" (1/1) ... [2024-11-01 12:37:41,723 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:37:40" (1/1) ... [2024-11-01 12:37:41,852 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-01 12:37:41,852 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:37:40" (1/1) ... [2024-11-01 12:37:41,852 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:37:40" (1/1) ... [2024-11-01 12:37:42,000 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:37:40" (1/1) ... [2024-11-01 12:37:42,036 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:37:40" (1/1) ... [2024-11-01 12:37:42,071 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:37:40" (1/1) ... [2024-11-01 12:37:42,099 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:37:40" (1/1) ... [2024-11-01 12:37:42,156 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 12:37:42,157 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 12:37:42,157 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 12:37:42,158 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 12:37:42,158 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:37:40" (1/1) ... [2024-11-01 12:37:42,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 12:37:42,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 12:37:42,188 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 12:37:42,193 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 12:37:42,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 12:37:42,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 12:37:42,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 12:37:42,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 12:37:43,394 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 12:37:43,396 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 12:39:14,256 INFO L? ?]: Removed 147 outVars from TransFormulas that were not future-live. [2024-11-01 12:39:14,257 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 12:39:14,269 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 12:39:14,269 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-01 12:39:14,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 12:39:14 BoogieIcfgContainer [2024-11-01 12:39:14,270 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 12:39:14,274 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 12:39:14,274 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 12:39:14,278 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 12:39:14,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 12:37:39" (1/3) ... [2024-11-01 12:39:14,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ce0a9c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 12:39:14, skipping insertion in model container [2024-11-01 12:39:14,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:37:40" (2/3) ... [2024-11-01 12:39:14,280 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ce0a9c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 12:39:14, skipping insertion in model container [2024-11-01 12:39:14,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 12:39:14" (3/3) ... [2024-11-01 12:39:14,282 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal175.c [2024-11-01 12:39:14,299 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 12:39:14,300 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 12:39:14,357 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 12:39:14,364 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;@402e90aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 12:39:14,364 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 12:39:14,368 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 12:39:14,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-01 12:39:14,374 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 12:39:14,375 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-01 12:39:14,376 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 12:39:14,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 12:39:14,382 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-01 12:39:14,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 12:39:14,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1606899583] [2024-11-01 12:39:14,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 12:39:14,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-01 12:39:14,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-01 12:39:14,396 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 12:39:14,415 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 12:39:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 12:39:16,295 WARN L253 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 217 conjuncts are in the unsatisfiable core [2024-11-01 12:39:16,367 INFO L278 TraceCheckSpWp]: Computing forward predicates...