/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 --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy WOLF -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-19.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-17387ad-m [2024-11-05 22:51:49,165 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 22:51:49,204 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-05 22:51:49,207 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 22:51:49,207 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 22:51:49,221 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 22:51:49,221 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 22:51:49,221 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 22:51:49,222 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 22:51:49,222 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 22:51:49,222 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 22:51:49,222 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 22:51:49,223 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 22:51:49,223 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 22:51:49,223 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 22:51:49,224 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 22:51:49,224 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 22:51:49,224 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-05 22:51:49,224 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-05 22:51:49,225 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 22:51:49,225 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 22:51:49,229 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 22:51:49,229 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 22:51:49,230 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 22:51:49,230 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 22:51:49,230 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 22:51:49,230 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 22:51:49,231 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-05 22:51:49,231 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 22:51:49,231 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 22:51:49,231 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 22:51:49,231 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 22:51:49,232 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 22:51:49,232 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 22:51:49,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 22:51:49,232 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 22:51:49,232 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 22:51:49,233 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 22:51:49,233 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 22:51:49,233 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 22:51:49,233 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 22:51:49,233 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 22:51:49,233 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 22:51:49,234 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 22:51:49,234 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> WOLF [2024-11-05 22:51:49,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 22:51:49,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 22:51:49,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 22:51:49,409 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 22:51:49,413 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 22:51:49,414 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-19.i [2024-11-05 22:51:50,843 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 22:51:51,049 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 22:51:51,049 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-19.i [2024-11-05 22:51:51,070 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14d7f7d48/af9d5ab6b8814901863b9aa084d9c19d/FLAGaa04e666e [2024-11-05 22:51:51,091 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14d7f7d48/af9d5ab6b8814901863b9aa084d9c19d [2024-11-05 22:51:51,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 22:51:51,096 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 22:51:51,097 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 22:51:51,097 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 22:51:51,102 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 22:51:51,102 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 10:51:51" (1/1) ... [2024-11-05 22:51:51,104 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16b84d6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:51:51, skipping insertion in model container [2024-11-05 22:51:51,104 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 10:51:51" (1/1) ... [2024-11-05 22:51:51,128 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 22:51:51,240 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-19.i[916,929] [2024-11-05 22:51:51,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 22:51:51,281 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 22:51:51,292 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-19.i[916,929] [2024-11-05 22:51:51,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 22:51:51,326 INFO L204 MainTranslator]: Completed translation [2024-11-05 22:51:51,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:51:51 WrapperNode [2024-11-05 22:51:51,327 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 22:51:51,328 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 22:51:51,328 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 22:51:51,328 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 22:51:51,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:51:51" (1/1) ... [2024-11-05 22:51:51,345 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:51:51" (1/1) ... [2024-11-05 22:51:51,368 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 105 [2024-11-05 22:51:51,368 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 22:51:51,369 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 22:51:51,369 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 22:51:51,369 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 22:51:51,385 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:51:51" (1/1) ... [2024-11-05 22:51:51,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:51:51" (1/1) ... [2024-11-05 22:51:51,391 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:51:51" (1/1) ... [2024-11-05 22:51:51,409 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]. [2024-11-05 22:51:51,410 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:51:51" (1/1) ... [2024-11-05 22:51:51,410 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:51:51" (1/1) ... [2024-11-05 22:51:51,416 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:51:51" (1/1) ... [2024-11-05 22:51:51,418 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:51:51" (1/1) ... [2024-11-05 22:51:51,421 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:51:51" (1/1) ... [2024-11-05 22:51:51,421 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:51:51" (1/1) ... [2024-11-05 22:51:51,424 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 22:51:51,424 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 22:51:51,424 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 22:51:51,425 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 22:51:51,425 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:51:51" (1/1) ... [2024-11-05 22:51:51,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 22:51:51,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 22:51:51,454 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) [2024-11-05 22:51:51,456 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 [2024-11-05 22:51:51,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 22:51:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 22:51:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 22:51:51,479 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 22:51:51,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 22:51:51,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 22:51:51,552 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 22:51:51,554 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 22:51:51,869 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-05 22:51:51,869 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 22:51:51,878 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 22:51:51,879 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-05 22:51:51,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 10:51:51 BoogieIcfgContainer [2024-11-05 22:51:51,879 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 22:51:51,881 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 22:51:51,881 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 22:51:51,884 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 22:51:51,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 10:51:51" (1/3) ... [2024-11-05 22:51:51,885 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@488ebc22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 10:51:51, skipping insertion in model container [2024-11-05 22:51:51,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:51:51" (2/3) ... [2024-11-05 22:51:51,886 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@488ebc22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 10:51:51, skipping insertion in model container [2024-11-05 22:51:51,886 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 10:51:51" (3/3) ... [2024-11-05 22:51:51,887 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-19.i [2024-11-05 22:51:51,899 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 22:51:51,899 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 22:51:51,955 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 22:51:51,960 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;@30793ada, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 22:51:51,960 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 22:51:51,963 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 34 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-05 22:51:51,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-05 22:51:51,970 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 22:51:51,971 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 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, 1, 1, 1, 1, 1] [2024-11-05 22:51:51,972 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 22:51:51,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 22:51:51,976 INFO L85 PathProgramCache]: Analyzing trace with hash 721810688, now seen corresponding path program 1 times [2024-11-05 22:51:51,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-05 22:51:51,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1891353161] [2024-11-05 22:51:51,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 22:51:51,985 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 22:51:51,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 22:51:51,988 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 22:51:51,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-05 22:51:52,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 22:51:52,111 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-05 22:51:52,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 22:51:52,159 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-05 22:51:52,159 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-05 22:51:52,160 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-05 22:51:52,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1891353161] [2024-11-05 22:51:52,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1891353161] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-05 22:51:52,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-05 22:51:52,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-05 22:51:52,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750224724] [2024-11-05 22:51:52,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 22:51:52,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-05 22:51:52,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-05 22:51:52,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-05 22:51:52,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 22:51:52,187 INFO L87 Difference]: Start difference. First operand has 53 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 34 states have internal predecessors, (45), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-05 22:51:52,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 22:51:52,212 INFO L93 Difference]: Finished difference Result 99 states and 169 transitions. [2024-11-05 22:51:52,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-05 22:51:52,214 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 108 [2024-11-05 22:51:52,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 22:51:52,219 INFO L225 Difference]: With dead ends: 99 [2024-11-05 22:51:52,219 INFO L226 Difference]: Without dead ends: 49 [2024-11-05 22:51:52,223 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 22:51:52,227 INFO L432 NwaCegarLoop]: 72 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, 72 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 [2024-11-05 22:51:52,228 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 22:51:52,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-05 22:51:52,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-05 22:51:52,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 30 states have internal predecessors, (38), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-05 22:51:52,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 72 transitions. [2024-11-05 22:51:52,261 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 72 transitions. Word has length 108 [2024-11-05 22:51:52,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 22:51:52,261 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 72 transitions. [2024-11-05 22:51:52,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-05 22:51:52,261 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 72 transitions. [2024-11-05 22:51:52,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-05 22:51:52,266 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 22:51:52,266 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 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, 1, 1, 1, 1, 1] [2024-11-05 22:51:52,273 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-05 22:51:52,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 22:51:52,468 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 22:51:52,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 22:51:52,468 INFO L85 PathProgramCache]: Analyzing trace with hash 976250942, now seen corresponding path program 1 times [2024-11-05 22:51:52,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-05 22:51:52,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1987372909] [2024-11-05 22:51:52,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 22:51:52,470 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 22:51:52,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 22:51:52,474 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 22:51:52,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-05 22:51:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 22:51:52,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-05 22:51:52,617 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 22:51:53,769 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 313 proven. 138 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-05 22:51:53,770 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 22:51:54,234 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-05 22:51:54,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1987372909] [2024-11-05 22:51:54,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1987372909] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-05 22:51:54,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [735629373] [2024-11-05 22:51:54,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 22:51:54,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-05 22:51:54,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-05 22:51:54,238 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-05 22:51:54,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-05 22:51:54,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 22:51:54,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-05 22:51:54,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 22:51:55,292 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 319 proven. 111 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-05 22:51:55,292 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 22:51:55,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [735629373] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-05 22:51:55,402 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 22:51:55,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 17] total 27 [2024-11-05 22:51:55,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653368530] [2024-11-05 22:51:55,403 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 22:51:55,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-05 22:51:55,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-05 22:51:55,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-05 22:51:55,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=857, Unknown=0, NotChecked=0, Total=1056 [2024-11-05 22:51:55,406 INFO L87 Difference]: Start difference. First operand 49 states and 72 transitions. Second operand has 27 states, 27 states have (on average 2.814814814814815) internal successors, (76), 27 states have internal predecessors, (76), 9 states have call successors, (30), 9 states have call predecessors, (30), 15 states have return successors, (31), 8 states have call predecessors, (31), 9 states have call successors, (31) [2024-11-05 22:51:56,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 22:51:56,465 INFO L93 Difference]: Finished difference Result 148 states and 195 transitions. [2024-11-05 22:51:56,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-05 22:51:56,468 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 2.814814814814815) internal successors, (76), 27 states have internal predecessors, (76), 9 states have call successors, (30), 9 states have call predecessors, (30), 15 states have return successors, (31), 8 states have call predecessors, (31), 9 states have call successors, (31) Word has length 108 [2024-11-05 22:51:56,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 22:51:56,470 INFO L225 Difference]: With dead ends: 148 [2024-11-05 22:51:56,470 INFO L226 Difference]: Without dead ends: 102 [2024-11-05 22:51:56,471 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 453 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=344, Invalid=1296, Unknown=0, NotChecked=0, Total=1640 [2024-11-05 22:51:56,477 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 140 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-05 22:51:56,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 297 Invalid, 587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-05 22:51:56,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-05 22:51:56,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 73. [2024-11-05 22:51:56,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 49 states have (on average 1.183673469387755) internal successors, (58), 49 states have internal predecessors, (58), 17 states have call successors, (17), 6 states have call predecessors, (17), 6 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-05 22:51:56,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 92 transitions. [2024-11-05 22:51:56,503 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 92 transitions. Word has length 108 [2024-11-05 22:51:56,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 22:51:56,503 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 92 transitions. [2024-11-05 22:51:56,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 2.814814814814815) internal successors, (76), 27 states have internal predecessors, (76), 9 states have call successors, (30), 9 states have call predecessors, (30), 15 states have return successors, (31), 8 states have call predecessors, (31), 9 states have call successors, (31) [2024-11-05 22:51:56,504 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 92 transitions. [2024-11-05 22:51:56,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-05 22:51:56,510 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 22:51:56,510 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 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, 1, 1, 1, 1, 1] [2024-11-05 22:51:56,519 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-05 22:51:56,718 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-05 22:51:56,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 22:51:56,917 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 22:51:56,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 22:51:56,918 INFO L85 PathProgramCache]: Analyzing trace with hash 508183872, now seen corresponding path program 1 times [2024-11-05 22:51:56,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-05 22:51:56,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1839243924] [2024-11-05 22:51:56,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 22:51:56,918 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 22:51:56,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 22:51:56,923 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 22:51:56,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-05 22:51:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 22:51:57,059 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-05 22:51:57,070 INFO L278 TraceCheckSpWp]: Computing forward predicates...