/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-44.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 17:28:54,453 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 17:28:54,512 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-23 17:28:54,515 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 17:28:54,516 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 17:28:54,541 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 17:28:54,541 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 17:28:54,541 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 17:28:54,542 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 17:28:54,545 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 17:28:54,545 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 17:28:54,546 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 17:28:54,546 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 17:28:54,547 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 17:28:54,547 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 17:28:54,548 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 17:28:54,548 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 17:28:54,548 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 17:28:54,548 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 17:28:54,548 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 17:28:54,548 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 17:28:54,549 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 17:28:54,549 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 17:28:54,549 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 17:28:54,549 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 17:28:54,549 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 17:28:54,549 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 17:28:54,550 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 17:28:54,550 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 17:28:54,550 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 17:28:54,551 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 17:28:54,551 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 17:28:54,551 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 17:28:54,551 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 17:28:54,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 17:28:54,551 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 17:28:54,551 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 17:28:54,551 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 17:28:54,552 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 17:28:54,552 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 17:28:54,552 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 17:28:54,552 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 17:28:54,552 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 17:28:54,552 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 17:28:54,553 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 17:28:54,553 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 17:28:54,553 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 17:28:54,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 17:28:54,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 17:28:54,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 17:28:54,737 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 17:28:54,737 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 17:28:54,739 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-44.i [2023-12-23 17:28:55,838 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 17:28:56,056 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 17:28:56,057 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-44.i [2023-12-23 17:28:56,070 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99666112b/08d8d295ee11459c837706c2de2d3ec4/FLAG8625f786c [2023-12-23 17:28:56,081 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99666112b/08d8d295ee11459c837706c2de2d3ec4 [2023-12-23 17:28:56,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 17:28:56,085 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 17:28:56,085 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 17:28:56,086 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 17:28:56,094 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 17:28:56,095 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 05:28:56" (1/1) ... [2023-12-23 17:28:56,095 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a401d31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:28:56, skipping insertion in model container [2023-12-23 17:28:56,096 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 05:28:56" (1/1) ... [2023-12-23 17:28:56,117 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 17:28:56,223 WARN L239 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_fillercode_fillercodestructure_normal_file-44.i[913,926] [2023-12-23 17:28:56,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 17:28:56,329 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 17:28:56,344 WARN L239 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_fillercode_fillercodestructure_normal_file-44.i[913,926] [2023-12-23 17:28:56,366 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 17:28:56,378 INFO L206 MainTranslator]: Completed translation [2023-12-23 17:28:56,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:28:56 WrapperNode [2023-12-23 17:28:56,378 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 17:28:56,380 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 17:28:56,380 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 17:28:56,380 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 17:28:56,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:28:56" (1/1) ... [2023-12-23 17:28:56,394 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:28:56" (1/1) ... [2023-12-23 17:28:56,411 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 149 [2023-12-23 17:28:56,411 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 17:28:56,412 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 17:28:56,412 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 17:28:56,412 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 17:28:56,420 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:28:56" (1/1) ... [2023-12-23 17:28:56,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:28:56" (1/1) ... [2023-12-23 17:28:56,424 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:28:56" (1/1) ... [2023-12-23 17:28:56,432 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]. [2023-12-23 17:28:56,432 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:28:56" (1/1) ... [2023-12-23 17:28:56,433 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:28:56" (1/1) ... [2023-12-23 17:28:56,439 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:28:56" (1/1) ... [2023-12-23 17:28:56,441 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:28:56" (1/1) ... [2023-12-23 17:28:56,443 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:28:56" (1/1) ... [2023-12-23 17:28:56,444 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:28:56" (1/1) ... [2023-12-23 17:28:56,446 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 17:28:56,447 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 17:28:56,447 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 17:28:56,447 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 17:28:56,447 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:28:56" (1/1) ... [2023-12-23 17:28:56,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 17:28:56,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 17:28:56,468 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) [2023-12-23 17:28:56,489 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 [2023-12-23 17:28:56,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 17:28:56,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 17:28:56,510 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 17:28:56,511 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 17:28:56,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 17:28:56,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 17:28:56,618 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 17:28:56,621 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 17:28:59,033 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 17:28:59,102 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 17:28:59,102 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 17:28:59,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 05:28:59 BoogieIcfgContainer [2023-12-23 17:28:59,103 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 17:28:59,104 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 17:28:59,104 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 17:28:59,112 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 17:28:59,112 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 05:28:56" (1/3) ... [2023-12-23 17:28:59,113 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@731add96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 05:28:59, skipping insertion in model container [2023-12-23 17:28:59,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 05:28:56" (2/3) ... [2023-12-23 17:28:59,113 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@731add96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 05:28:59, skipping insertion in model container [2023-12-23 17:28:59,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 05:28:59" (3/3) ... [2023-12-23 17:28:59,114 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-44.i [2023-12-23 17:28:59,126 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 17:28:59,126 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 17:28:59,155 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 17:28:59,160 INFO L357 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, mHoare=true, 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;@4257d940, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 17:28:59,160 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 17:28:59,163 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 35 states have internal predecessors, (47), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-12-23 17:28:59,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-23 17:28:59,172 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 17:28:59,172 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 17:28:59,196 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 17:28:59,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 17:28:59,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1473191812, now seen corresponding path program 1 times [2023-12-23 17:28:59,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 17:28:59,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1308957925] [2023-12-23 17:28:59,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 17:28:59,213 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 [2023-12-23 17:28:59,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 17:28:59,218 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) [2023-12-23 17:28:59,219 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 [2023-12-23 17:28:59,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 17:28:59,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-23 17:28:59,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 17:29:50,503 WARN L293 SmtUtils]: Spent 5.24s on a formula simplification that was a NOOP. DAG size: 65 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)