/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_filler-ps-co_file-39.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 12:56:46,659 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 12:56:46,730 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-16 12:56:46,733 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 12:56:46,733 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 12:56:46,752 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 12:56:46,753 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 12:56:46,753 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 12:56:46,754 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 12:56:46,757 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 12:56:46,757 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 12:56:46,757 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 12:56:46,757 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 12:56:46,758 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 12:56:46,758 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 12:56:46,759 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 12:56:46,759 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 12:56:46,759 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 12:56:46,759 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 12:56:46,759 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 12:56:46,760 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 12:56:46,760 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 12:56:46,760 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 12:56:46,760 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 12:56:46,760 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 12:56:46,761 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 12:56:46,761 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 12:56:46,761 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 12:56:46,761 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 12:56:46,761 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 12:56:46,762 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 12:56:46,762 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 12:56:46,762 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 12:56:46,762 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 12:56:46,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 12:56:46,763 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 12:56:46,763 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 12:56:46,763 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 12:56:46,763 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 12:56:46,763 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 12:56:46,763 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 12:56:46,764 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 12:56:46,764 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 12:56:46,764 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 12:56:46,764 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 12:56:46,764 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 12:56:46,765 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 12:56:46,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 12:56:46,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 12:56:46,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 12:56:46,966 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 12:56:46,967 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 12:56:46,968 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-39.i [2023-12-16 12:56:47,889 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 12:56:48,076 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 12:56:48,080 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-39.i [2023-12-16 12:56:48,086 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef223e9da/2c089daf3fb34938a462eb8c32fbfb0e/FLAG951357515 [2023-12-16 12:56:48,094 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef223e9da/2c089daf3fb34938a462eb8c32fbfb0e [2023-12-16 12:56:48,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 12:56:48,097 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 12:56:48,097 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 12:56:48,097 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 12:56:48,100 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 12:56:48,101 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:56:48" (1/1) ... [2023-12-16 12:56:48,101 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@507a3282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:56:48, skipping insertion in model container [2023-12-16 12:56:48,101 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:56:48" (1/1) ... [2023-12-16 12:56:48,123 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 12:56:48,219 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_filler-ps-co_file-39.i[919,932] [2023-12-16 12:56:48,276 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 12:56:48,293 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 12:56:48,300 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_filler-ps-co_file-39.i[919,932] [2023-12-16 12:56:48,325 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 12:56:48,346 INFO L206 MainTranslator]: Completed translation [2023-12-16 12:56:48,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:56:48 WrapperNode [2023-12-16 12:56:48,347 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 12:56:48,347 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 12:56:48,348 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 12:56:48,348 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 12:56:48,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:56:48" (1/1) ... [2023-12-16 12:56:48,368 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:56:48" (1/1) ... [2023-12-16 12:56:48,408 INFO L138 Inliner]: procedures = 27, calls = 51, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 232 [2023-12-16 12:56:48,408 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 12:56:48,409 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 12:56:48,409 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 12:56:48,409 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 12:56:48,420 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:56:48" (1/1) ... [2023-12-16 12:56:48,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:56:48" (1/1) ... [2023-12-16 12:56:48,423 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:56:48" (1/1) ... [2023-12-16 12:56:48,444 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]. [2023-12-16 12:56:48,444 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:56:48" (1/1) ... [2023-12-16 12:56:48,444 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:56:48" (1/1) ... [2023-12-16 12:56:48,451 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:56:48" (1/1) ... [2023-12-16 12:56:48,453 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:56:48" (1/1) ... [2023-12-16 12:56:48,455 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:56:48" (1/1) ... [2023-12-16 12:56:48,456 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:56:48" (1/1) ... [2023-12-16 12:56:48,459 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 12:56:48,460 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 12:56:48,460 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 12:56:48,460 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 12:56:48,460 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:56:48" (1/1) ... [2023-12-16 12:56:48,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 12:56:48,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 12:56:48,507 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) [2023-12-16 12:56:48,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 12:56:48,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 12:56:48,539 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 12:56:48,539 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 12:56:48,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 12:56:48,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 12:56:48,536 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 [2023-12-16 12:56:48,608 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 12:56:48,609 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 12:56:56,729 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 12:56:56,773 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 12:56:56,773 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 12:56:56,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:56:56 BoogieIcfgContainer [2023-12-16 12:56:56,779 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 12:56:56,781 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 12:56:56,781 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 12:56:56,805 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 12:56:56,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 12:56:48" (1/3) ... [2023-12-16 12:56:56,806 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@645ae531 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:56:56, skipping insertion in model container [2023-12-16 12:56:56,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:56:48" (2/3) ... [2023-12-16 12:56:56,814 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@645ae531 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:56:56, skipping insertion in model container [2023-12-16 12:56:56,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:56:56" (3/3) ... [2023-12-16 12:56:56,838 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-39.i [2023-12-16 12:56:56,851 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 12:56:56,852 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 12:56:56,906 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 12:56:56,926 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;@3529b714, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 12:56:56,931 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 12:56:56,934 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 55 states have (on average 1.4181818181818182) internal successors, (78), 56 states have internal predecessors, (78), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-12-16 12:56:56,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2023-12-16 12:56:56,957 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 12:56:56,958 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 12:56:56,970 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 12:56:56,984 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 12:56:56,984 INFO L85 PathProgramCache]: Analyzing trace with hash -516747486, now seen corresponding path program 1 times [2023-12-16 12:56:56,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 12:56:56,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1456969428] [2023-12-16 12:56:56,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 12:56:56,999 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 [2023-12-16 12:56:56,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 12:56:57,029 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) [2023-12-16 12:56:57,033 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 [2023-12-16 12:56:57,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 12:56:57,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 12:56:57,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 12:56:57,449 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 1218 proven. 0 refuted. 0 times theorem prover too weak. 1594 trivial. 0 not checked. [2023-12-16 12:56:57,450 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 12:56:57,450 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 12:56:57,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1456969428] [2023-12-16 12:56:57,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1456969428] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 12:56:57,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 12:56:57,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 12:56:57,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685553034] [2023-12-16 12:56:57,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 12:56:57,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 12:56:57,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 12:56:57,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 12:56:57,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 12:56:57,482 INFO L87 Difference]: Start difference. First operand has 96 states, 55 states have (on average 1.4181818181818182) internal successors, (78), 56 states have internal predecessors, (78), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2023-12-16 12:56:57,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 12:56:57,625 INFO L93 Difference]: Finished difference Result 189 states and 344 transitions. [2023-12-16 12:56:57,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 12:56:57,635 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 232 [2023-12-16 12:56:57,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 12:56:57,667 INFO L225 Difference]: With dead ends: 189 [2023-12-16 12:56:57,667 INFO L226 Difference]: Without dead ends: 94 [2023-12-16 12:56:57,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 12:56:57,690 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 12:56:57,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 146 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 12:56:57,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-12-16 12:56:57,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2023-12-16 12:56:57,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 54 states have (on average 1.3518518518518519) internal successors, (73), 54 states have internal predecessors, (73), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-12-16 12:56:57,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 149 transitions. [2023-12-16 12:56:57,746 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 149 transitions. Word has length 232 [2023-12-16 12:56:57,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 12:56:57,753 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 149 transitions. [2023-12-16 12:56:57,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2023-12-16 12:56:57,762 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 149 transitions. [2023-12-16 12:56:57,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2023-12-16 12:56:57,765 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 12:56:57,765 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 12:56:57,789 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 [2023-12-16 12:56:57,980 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 [2023-12-16 12:56:57,981 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 12:56:57,982 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 12:56:57,982 INFO L85 PathProgramCache]: Analyzing trace with hash -40870158, now seen corresponding path program 1 times [2023-12-16 12:56:57,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 12:56:57,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [664397449] [2023-12-16 12:56:57,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 12:56:57,983 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 [2023-12-16 12:56:57,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 12:56:57,984 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) [2023-12-16 12:56:57,985 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 [2023-12-16 12:56:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 12:56:58,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 12:56:58,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 12:56:58,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2023-12-16 12:56:58,325 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 12:56:58,325 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 12:56:58,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [664397449] [2023-12-16 12:56:58,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [664397449] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 12:56:58,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 12:56:58,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 12:56:58,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782499709] [2023-12-16 12:56:58,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 12:56:58,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 12:56:58,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 12:56:58,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 12:56:58,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 12:56:58,330 INFO L87 Difference]: Start difference. First operand 94 states and 149 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2023-12-16 12:56:58,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 12:56:58,504 INFO L93 Difference]: Finished difference Result 244 states and 385 transitions. [2023-12-16 12:56:58,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 12:56:58,509 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 232 [2023-12-16 12:56:58,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 12:56:58,515 INFO L225 Difference]: With dead ends: 244 [2023-12-16 12:56:58,515 INFO L226 Difference]: Without dead ends: 151 [2023-12-16 12:56:58,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 12:56:58,519 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 85 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 12:56:58,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 329 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 12:56:58,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2023-12-16 12:56:58,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 148. [2023-12-16 12:56:58,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 91 states have (on average 1.3846153846153846) internal successors, (126), 92 states have internal predecessors, (126), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2023-12-16 12:56:58,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 234 transitions. [2023-12-16 12:56:58,535 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 234 transitions. Word has length 232 [2023-12-16 12:56:58,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 12:56:58,540 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 234 transitions. [2023-12-16 12:56:58,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2023-12-16 12:56:58,540 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 234 transitions. [2023-12-16 12:56:58,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2023-12-16 12:56:58,542 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 12:56:58,543 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 12:56:58,562 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 [2023-12-16 12:56:58,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 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 [2023-12-16 12:56:58,744 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 12:56:58,744 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 12:56:58,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1061938512, now seen corresponding path program 1 times [2023-12-16 12:56:58,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 12:56:58,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [472167953] [2023-12-16 12:56:58,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 12:56:58,745 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 [2023-12-16 12:56:58,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 12:56:58,746 INFO L229 MonitoredProcess]: Starting monitored process 4 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) [2023-12-16 12:56:58,750 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 (4)] Waiting until timeout for monitored process [2023-12-16 12:56:59,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 12:56:59,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-16 12:56:59,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 12:57:41,132 WARN L293 SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2023-12-16 12:58:05,616 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 12:58:05,616 WARN L340 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 (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 12:58:06,629 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 (4)] Forceful destruction successful, exit code 0 [2023-12-16 12:58:06,776 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 12:58:06,777 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 233 with TraceHistMax 38,while TraceCheckSpWp was constructing forward predicates,while PredicateUnifier was unifying predicates,while executing Executor. [2023-12-16 12:58:06,780 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-16 12:58:06,782 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 12:58:06,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 12:58:06 BoogieIcfgContainer [2023-12-16 12:58:06,801 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 12:58:06,802 INFO L158 Benchmark]: Toolchain (without parser) took 78705.06ms. Allocated memory was 198.2MB in the beginning and 362.8MB in the end (delta: 164.6MB). Free memory was 160.0MB in the beginning and 196.5MB in the end (delta: -36.5MB). Peak memory consumption was 128.5MB. Max. memory is 8.0GB. [2023-12-16 12:58:06,802 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 198.2MB. Free memory is still 155.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 12:58:06,806 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.54ms. Allocated memory is still 198.2MB. Free memory was 160.0MB in the beginning and 142.5MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-16 12:58:06,807 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.06ms. Allocated memory is still 198.2MB. Free memory was 142.5MB in the beginning and 139.7MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-16 12:58:06,807 INFO L158 Benchmark]: Boogie Preprocessor took 50.27ms. Allocated memory is still 198.2MB. Free memory was 139.7MB in the beginning and 135.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-16 12:58:06,809 INFO L158 Benchmark]: RCFGBuilder took 8319.47ms. Allocated memory is still 198.2MB. Free memory was 135.5MB in the beginning and 107.2MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2023-12-16 12:58:06,810 INFO L158 Benchmark]: TraceAbstraction took 70020.79ms. Allocated memory was 198.2MB in the beginning and 362.8MB in the end (delta: 164.6MB). Free memory was 106.5MB in the beginning and 196.5MB in the end (delta: -90.0MB). Peak memory consumption was 75.0MB. Max. memory is 8.0GB. [2023-12-16 12:58:06,811 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 198.2MB. Free memory is still 155.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 249.54ms. Allocated memory is still 198.2MB. Free memory was 160.0MB in the beginning and 142.5MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 61.06ms. Allocated memory is still 198.2MB. Free memory was 142.5MB in the beginning and 139.7MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 50.27ms. Allocated memory is still 198.2MB. Free memory was 139.7MB in the beginning and 135.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 8319.47ms. Allocated memory is still 198.2MB. Free memory was 135.5MB in the beginning and 107.2MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * TraceAbstraction took 70020.79ms. Allocated memory was 198.2MB in the beginning and 362.8MB in the end (delta: 164.6MB). Free memory was 106.5MB in the beginning and 196.5MB in the end (delta: -90.0MB). Peak memory consumption was 75.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 233 with TraceHistMax 38,while TraceCheckSpWp was constructing forward predicates,while PredicateUnifier was unifying predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data [2023-12-16 12:58:06,817 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process CFG has 2 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 69.9s, OverallIterations: 3, TraceHistogramMax: 38, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 85 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 85 mSDsluCounter, 475 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 139 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 336 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 462 GetRequests, 461 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=148occurred in iteration=2, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 464 NumberOfCodeBlocks, 464 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 462 ConstructedInterpolants, 0 QuantifiedInterpolants, 466 SizeOfPredicates, 0 NumberOfNonLiveVariables, 766 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 5624/5624 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown