/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_fillercodesize_ps-cn-25_file-9.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 04:11:59,905 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 04:11:59,966 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 04:11:59,969 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 04:11:59,969 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 04:11:59,994 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 04:11:59,994 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 04:11:59,995 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 04:11:59,995 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 04:11:59,998 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 04:11:59,998 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 04:11:59,999 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 04:11:59,999 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 04:12:00,000 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 04:12:00,000 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 04:12:00,000 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 04:12:00,000 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 04:12:00,001 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 04:12:00,001 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 04:12:00,002 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 04:12:00,002 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 04:12:00,002 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 04:12:00,002 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 04:12:00,003 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 04:12:00,003 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 04:12:00,003 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 04:12:00,003 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 04:12:00,003 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 04:12:00,003 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 04:12:00,003 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 04:12:00,004 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 04:12:00,004 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 04:12:00,004 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 04:12:00,005 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 04:12:00,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 04:12:00,005 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 04:12:00,005 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 04:12:00,005 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 04:12:00,005 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 04:12:00,005 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 04:12:00,005 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 04:12:00,006 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 04:12:00,006 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 04:12:00,006 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 04:12:00,007 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 04:12:00,007 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 04:12:00,007 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 04:12:00,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 04:12:00,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 04:12:00,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 04:12:00,232 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 04:12:00,232 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 04:12:00,233 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-9.i [2023-12-23 04:12:01,308 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 04:12:01,479 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 04:12:01,480 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-9.i [2023-12-23 04:12:01,488 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83c61f4ad/08c70b2430e2453cb8ca3322f6810822/FLAG61421a3b0 [2023-12-23 04:12:01,502 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83c61f4ad/08c70b2430e2453cb8ca3322f6810822 [2023-12-23 04:12:01,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 04:12:01,504 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 04:12:01,506 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 04:12:01,506 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 04:12:01,509 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 04:12:01,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 04:12:01" (1/1) ... [2023-12-23 04:12:01,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65228d14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:12:01, skipping insertion in model container [2023-12-23 04:12:01,510 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 04:12:01" (1/1) ... [2023-12-23 04:12:01,533 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 04:12:01,624 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_fillercodesize_ps-cn-25_file-9.i[914,927] [2023-12-23 04:12:01,661 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 04:12:01,673 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 04:12:01,686 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_fillercodesize_ps-cn-25_file-9.i[914,927] [2023-12-23 04:12:01,721 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 04:12:01,745 INFO L206 MainTranslator]: Completed translation [2023-12-23 04:12:01,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:12:01 WrapperNode [2023-12-23 04:12:01,746 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 04:12:01,747 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 04:12:01,747 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 04:12:01,747 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 04:12:01,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:12:01" (1/1) ... [2023-12-23 04:12:01,773 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:12:01" (1/1) ... [2023-12-23 04:12:01,801 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 180 [2023-12-23 04:12:01,801 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 04:12:01,802 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 04:12:01,802 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 04:12:01,802 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 04:12:01,810 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:12:01" (1/1) ... [2023-12-23 04:12:01,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:12:01" (1/1) ... [2023-12-23 04:12:01,822 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:12:01" (1/1) ... [2023-12-23 04:12:01,836 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 04:12:01,836 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:12:01" (1/1) ... [2023-12-23 04:12:01,836 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:12:01" (1/1) ... [2023-12-23 04:12:01,843 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:12:01" (1/1) ... [2023-12-23 04:12:01,860 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:12:01" (1/1) ... [2023-12-23 04:12:01,863 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:12:01" (1/1) ... [2023-12-23 04:12:01,864 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:12:01" (1/1) ... [2023-12-23 04:12:01,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 04:12:01,867 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 04:12:01,867 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 04:12:01,867 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 04:12:01,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:12:01" (1/1) ... [2023-12-23 04:12:01,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 04:12:01,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 04:12:01,919 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 04:12:01,940 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 04:12:01,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 04:12:01,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 04:12:01,946 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 04:12:01,947 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 04:12:01,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 04:12:01,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 04:12:02,011 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 04:12:02,013 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 04:12:02,297 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 04:12:02,347 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 04:12:02,348 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 04:12:02,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 04:12:02 BoogieIcfgContainer [2023-12-23 04:12:02,348 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 04:12:02,350 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 04:12:02,350 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 04:12:02,352 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 04:12:02,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 04:12:01" (1/3) ... [2023-12-23 04:12:02,354 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@555d71e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 04:12:02, skipping insertion in model container [2023-12-23 04:12:02,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:12:01" (2/3) ... [2023-12-23 04:12:02,354 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@555d71e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 04:12:02, skipping insertion in model container [2023-12-23 04:12:02,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 04:12:02" (3/3) ... [2023-12-23 04:12:02,356 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-9.i [2023-12-23 04:12:02,368 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 04:12:02,369 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 04:12:02,400 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 04:12:02,405 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;@55fdbb8a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 04:12:02,406 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 04:12:02,408 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 45 states have (on average 1.4444444444444444) internal successors, (65), 46 states have internal predecessors, (65), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-23 04:12:02,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-12-23 04:12:02,423 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 04:12:02,423 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 04:12:02,424 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 04:12:02,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 04:12:02,428 INFO L85 PathProgramCache]: Analyzing trace with hash -778148428, now seen corresponding path program 1 times [2023-12-23 04:12:02,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 04:12:02,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [299254542] [2023-12-23 04:12:02,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 04:12:02,438 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 04:12:02,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 04:12:02,444 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 04:12:02,445 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 04:12:02,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 04:12:02,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 04:12:02,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 04:12:02,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 758 proven. 0 refuted. 0 times theorem prover too weak. 754 trivial. 0 not checked. [2023-12-23 04:12:02,776 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 04:12:02,776 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 04:12:02,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [299254542] [2023-12-23 04:12:02,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [299254542] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 04:12:02,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 04:12:02,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 04:12:02,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298429393] [2023-12-23 04:12:02,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 04:12:02,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 04:12:02,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 04:12:02,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 04:12:02,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 04:12:02,826 INFO L87 Difference]: Start difference. First operand has 76 states, 45 states have (on average 1.4444444444444444) internal successors, (65), 46 states have internal predecessors, (65), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-12-23 04:12:02,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 04:12:02,910 INFO L93 Difference]: Finished difference Result 149 states and 268 transitions. [2023-12-23 04:12:02,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 04:12:02,918 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 174 [2023-12-23 04:12:02,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 04:12:02,924 INFO L225 Difference]: With dead ends: 149 [2023-12-23 04:12:02,924 INFO L226 Difference]: Without dead ends: 74 [2023-12-23 04:12:02,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 04:12:02,929 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-23 04:12:02,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 112 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-23 04:12:02,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-12-23 04:12:02,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2023-12-23 04:12:02,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 44 states have internal predecessors, (59), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-23 04:12:02,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 115 transitions. [2023-12-23 04:12:02,963 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 115 transitions. Word has length 174 [2023-12-23 04:12:02,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 04:12:02,963 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 115 transitions. [2023-12-23 04:12:02,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-12-23 04:12:02,963 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 115 transitions. [2023-12-23 04:12:02,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-12-23 04:12:02,967 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 04:12:02,968 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 04:12:02,975 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 (2)] Forceful destruction successful, exit code 0 [2023-12-23 04:12:03,175 WARN L477 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 [2023-12-23 04:12:03,176 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 04:12:03,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 04:12:03,177 INFO L85 PathProgramCache]: Analyzing trace with hash 969304598, now seen corresponding path program 1 times [2023-12-23 04:12:03,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 04:12:03,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1357141410] [2023-12-23 04:12:03,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 04:12:03,178 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 04:12:03,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 04:12:03,179 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) [2023-12-23 04:12:03,181 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 [2023-12-23 04:12:03,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 04:12:03,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-23 04:12:03,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 04:12:04,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 501 proven. 126 refuted. 0 times theorem prover too weak. 885 trivial. 0 not checked. [2023-12-23 04:12:04,809 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 04:12:05,922 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 04:12:05,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1357141410] [2023-12-23 04:12:05,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1357141410] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-23 04:12:05,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [556366650] [2023-12-23 04:12:05,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 04:12:05,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-23 04:12:05,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-23 04:12:05,954 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) [2023-12-23 04:12:05,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-23 04:12:06,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 04:12:06,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-23 04:12:06,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 04:12:07,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 477 proven. 66 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2023-12-23 04:12:07,222 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 04:12:07,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [556366650] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-23 04:12:07,775 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 04:12:07,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 9 [2023-12-23 04:12:07,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872261140] [2023-12-23 04:12:07,776 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 04:12:07,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-23 04:12:07,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 04:12:07,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-23 04:12:07,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2023-12-23 04:12:07,778 INFO L87 Difference]: Start difference. First operand 74 states and 115 transitions. Second operand has 10 states, 10 states have (on average 7.0) internal successors, (70), 9 states have internal predecessors, (70), 3 states have call successors, (49), 3 states have call predecessors, (49), 5 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2023-12-23 04:12:08,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 04:12:08,596 INFO L93 Difference]: Finished difference Result 231 states and 352 transitions. [2023-12-23 04:12:08,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-23 04:12:08,602 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 9 states have internal predecessors, (70), 3 states have call successors, (49), 3 states have call predecessors, (49), 5 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 175 [2023-12-23 04:12:08,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 04:12:08,605 INFO L225 Difference]: With dead ends: 231 [2023-12-23 04:12:08,605 INFO L226 Difference]: Without dead ends: 158 [2023-12-23 04:12:08,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 642 GetRequests, 618 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=236, Invalid=414, Unknown=0, NotChecked=0, Total=650 [2023-12-23 04:12:08,607 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 77 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-23 04:12:08,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 623 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-23 04:12:08,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2023-12-23 04:12:08,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 138. [2023-12-23 04:12:08,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 77 states have (on average 1.2597402597402598) internal successors, (97), 77 states have internal predecessors, (97), 56 states have call successors, (56), 4 states have call predecessors, (56), 4 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-12-23 04:12:08,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 209 transitions. [2023-12-23 04:12:08,644 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 209 transitions. Word has length 175 [2023-12-23 04:12:08,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 04:12:08,645 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 209 transitions. [2023-12-23 04:12:08,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.0) internal successors, (70), 9 states have internal predecessors, (70), 3 states have call successors, (49), 3 states have call predecessors, (49), 5 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2023-12-23 04:12:08,646 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 209 transitions. [2023-12-23 04:12:08,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-12-23 04:12:08,653 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 04:12:08,653 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 04:12:08,659 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-23 04:12:08,866 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 [2023-12-23 04:12:09,065 WARN L477 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 [2023-12-23 04:12:09,066 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 04:12:09,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 04:12:09,067 INFO L85 PathProgramCache]: Analyzing trace with hash 711139160, now seen corresponding path program 1 times [2023-12-23 04:12:09,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 04:12:09,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [449260682] [2023-12-23 04:12:09,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 04:12:09,068 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 04:12:09,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 04:12:09,069 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) [2023-12-23 04:12:09,071 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 [2023-12-23 04:12:09,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 04:12:09,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-23 04:12:09,240 INFO L285 TraceCheckSpWp]: Computing forward predicates...