/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_normal_file-33.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-22 22:57:27,877 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-22 22:57:27,919 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-22 22:57:27,922 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-22 22:57:27,923 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-22 22:57:27,936 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-22 22:57:27,937 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-22 22:57:27,937 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-22 22:57:27,938 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-22 22:57:27,938 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-22 22:57:27,938 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-22 22:57:27,938 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-22 22:57:27,939 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-22 22:57:27,939 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-22 22:57:27,939 INFO L153 SettingsManager]: * Use SBE=true [2023-12-22 22:57:27,939 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-22 22:57:27,940 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-22 22:57:27,940 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-22 22:57:27,940 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-22 22:57:27,940 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-22 22:57:27,941 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-22 22:57:27,941 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-22 22:57:27,941 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-22 22:57:27,941 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-22 22:57:27,941 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-22 22:57:27,942 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-22 22:57:27,942 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-22 22:57:27,942 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-22 22:57:27,942 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-22 22:57:27,942 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-22 22:57:27,942 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-22 22:57:27,943 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-22 22:57:27,943 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-22 22:57:27,943 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-22 22:57:27,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-22 22:57:27,943 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-22 22:57:27,944 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-22 22:57:27,944 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-22 22:57:27,944 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-22 22:57:27,944 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-22 22:57:27,944 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-22 22:57:27,944 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-22 22:57:27,944 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-22 22:57:27,945 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-22 22:57:27,945 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-22 22:57:27,945 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-22 22:57:27,945 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-22 22:57:28,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-22 22:57:28,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-22 22:57:28,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-22 22:57:28,115 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-22 22:57:28,115 INFO L274 PluginConnector]: CDTParser initialized [2023-12-22 22:57:28,117 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-33.i [2023-12-22 22:57:29,305 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-22 22:57:29,450 INFO L384 CDTParser]: Found 1 translation units. [2023-12-22 22:57:29,450 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_normal_file-33.i [2023-12-22 22:57:29,465 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a3e49272/bd85a520f6924df49ca3a195ff6e6650/FLAGd6424ffc4 [2023-12-22 22:57:29,475 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a3e49272/bd85a520f6924df49ca3a195ff6e6650 [2023-12-22 22:57:29,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-22 22:57:29,477 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-22 22:57:29,479 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-22 22:57:29,479 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-22 22:57:29,482 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-22 22:57:29,483 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 10:57:29" (1/1) ... [2023-12-22 22:57:29,483 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41166242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:57:29, skipping insertion in model container [2023-12-22 22:57:29,484 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 10:57:29" (1/1) ... [2023-12-22 22:57:29,515 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-22 22:57:29,698 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_normal_file-33.i[913,926] [2023-12-22 22:57:29,758 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-22 22:57:29,772 INFO L202 MainTranslator]: Completed pre-run [2023-12-22 22:57:29,780 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_normal_file-33.i[913,926] [2023-12-22 22:57:29,798 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-22 22:57:29,810 INFO L206 MainTranslator]: Completed translation [2023-12-22 22:57:29,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:57:29 WrapperNode [2023-12-22 22:57:29,810 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-22 22:57:29,811 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-22 22:57:29,811 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-22 22:57:29,811 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-22 22:57:29,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:57:29" (1/1) ... [2023-12-22 22:57:29,823 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:57:29" (1/1) ... [2023-12-22 22:57:29,843 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 122 [2023-12-22 22:57:29,843 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-22 22:57:29,844 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-22 22:57:29,844 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-22 22:57:29,844 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-22 22:57:29,851 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:57:29" (1/1) ... [2023-12-22 22:57:29,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:57:29" (1/1) ... [2023-12-22 22:57:29,854 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:57:29" (1/1) ... [2023-12-22 22:57:29,866 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]. [2023-12-22 22:57:29,866 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:57:29" (1/1) ... [2023-12-22 22:57:29,866 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:57:29" (1/1) ... [2023-12-22 22:57:29,883 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:57:29" (1/1) ... [2023-12-22 22:57:29,886 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:57:29" (1/1) ... [2023-12-22 22:57:29,887 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:57:29" (1/1) ... [2023-12-22 22:57:29,888 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:57:29" (1/1) ... [2023-12-22 22:57:29,890 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-22 22:57:29,891 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-22 22:57:29,891 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-22 22:57:29,891 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-22 22:57:29,892 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:57:29" (1/1) ... [2023-12-22 22:57:29,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-22 22:57:29,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-22 22:57:29,968 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) [2023-12-22 22:57:29,988 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 [2023-12-22 22:57:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-22 22:57:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-22 22:57:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-22 22:57:30,009 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-22 22:57:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-22 22:57:30,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-22 22:57:30,088 INFO L241 CfgBuilder]: Building ICFG [2023-12-22 22:57:30,090 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-22 22:57:35,908 INFO L282 CfgBuilder]: Performing block encoding [2023-12-22 22:57:35,978 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-22 22:57:35,979 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-22 22:57:35,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 10:57:35 BoogieIcfgContainer [2023-12-22 22:57:35,979 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-22 22:57:35,981 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-22 22:57:35,981 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-22 22:57:35,983 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-22 22:57:35,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 10:57:29" (1/3) ... [2023-12-22 22:57:35,984 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d3764b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 10:57:35, skipping insertion in model container [2023-12-22 22:57:35,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 10:57:29" (2/3) ... [2023-12-22 22:57:35,984 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d3764b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 10:57:35, skipping insertion in model container [2023-12-22 22:57:35,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 10:57:35" (3/3) ... [2023-12-22 22:57:35,985 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_normal_file-33.i [2023-12-22 22:57:36,015 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-22 22:57:36,016 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-22 22:57:36,054 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-22 22:57:36,060 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;@384c7846, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-22 22:57:36,060 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-22 22:57:36,063 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 29 states have internal predecessors, (40), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-22 22:57:36,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-22 22:57:36,081 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 22:57:36,082 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 22:57:36,082 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 22:57:36,086 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 22:57:36,086 INFO L85 PathProgramCache]: Analyzing trace with hash 856816414, now seen corresponding path program 1 times [2023-12-22 22:57:36,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 22:57:36,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [234141402] [2023-12-22 22:57:36,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 22:57:36,095 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 [2023-12-22 22:57:36,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 22:57:36,097 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) [2023-12-22 22:57:36,099 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 [2023-12-22 22:57:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 22:57:36,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-22 22:57:36,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 22:57:36,425 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2023-12-22 22:57:36,425 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 22:57:36,425 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 22:57:36,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [234141402] [2023-12-22 22:57:36,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [234141402] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 22:57:36,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 22:57:36,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-22 22:57:36,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811916607] [2023-12-22 22:57:36,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 22:57:36,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-22 22:57:36,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 22:57:36,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-22 22:57:36,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-22 22:57:36,456 INFO L87 Difference]: Start difference. First operand has 49 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 29 states have internal predecessors, (40), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-22 22:57:37,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 22:57:37,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 22:57:37,849 INFO L93 Difference]: Finished difference Result 95 states and 168 transitions. [2023-12-22 22:57:37,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-22 22:57:37,887 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 110 [2023-12-22 22:57:37,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 22:57:37,892 INFO L225 Difference]: With dead ends: 95 [2023-12-22 22:57:37,892 INFO L226 Difference]: Without dead ends: 47 [2023-12-22 22:57:37,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-22 22:57:37,896 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-22 22:57:37,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-22 22:57:37,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-12-22 22:57:37,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2023-12-22 22:57:37,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 27 states have internal predecessors, (33), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-22 22:57:37,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 69 transitions. [2023-12-22 22:57:37,974 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 69 transitions. Word has length 110 [2023-12-22 22:57:37,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 22:57:37,974 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 69 transitions. [2023-12-22 22:57:37,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-22 22:57:37,974 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 69 transitions. [2023-12-22 22:57:37,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-22 22:57:37,990 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 22:57:37,991 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 22:57:38,002 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 [2023-12-22 22:57:38,200 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 [2023-12-22 22:57:38,200 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 22:57:38,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 22:57:38,201 INFO L85 PathProgramCache]: Analyzing trace with hash 386046686, now seen corresponding path program 1 times [2023-12-22 22:57:38,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 22:57:38,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1990838253] [2023-12-22 22:57:38,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 22:57:38,202 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 [2023-12-22 22:57:38,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 22:57:38,203 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) [2023-12-22 22:57:38,205 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 [2023-12-22 22:57:38,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 22:57:38,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-22 22:57:38,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 22:57:38,970 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 141 proven. 45 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2023-12-22 22:57:38,971 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-22 22:57:39,272 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-12-22 22:57:39,273 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 22:57:39,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1990838253] [2023-12-22 22:57:39,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1990838253] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-22 22:57:39,273 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-22 22:57:39,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2023-12-22 22:57:39,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924830669] [2023-12-22 22:57:39,274 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-22 22:57:39,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-22 22:57:39,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 22:57:39,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-22 22:57:39,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-22 22:57:39,276 INFO L87 Difference]: Start difference. First operand 47 states and 69 transitions. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 2 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-12-22 22:57:42,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.75s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 22:57:43,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-22 22:57:43,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 22:57:43,871 INFO L93 Difference]: Finished difference Result 99 states and 142 transitions. [2023-12-22 22:57:43,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-22 22:57:43,909 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 2 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 110 [2023-12-22 22:57:43,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 22:57:43,911 INFO L225 Difference]: With dead ends: 99 [2023-12-22 22:57:43,911 INFO L226 Difference]: Without dead ends: 53 [2023-12-22 22:57:43,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 212 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=114, Unknown=0, NotChecked=0, Total=182 [2023-12-22 22:57:43,912 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 58 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-12-22 22:57:43,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 94 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-12-22 22:57:43,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-12-22 22:57:43,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 51. [2023-12-22 22:57:43,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 30 states have internal predecessors, (35), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-22 22:57:43,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 71 transitions. [2023-12-22 22:57:43,928 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 71 transitions. Word has length 110 [2023-12-22 22:57:43,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 22:57:43,928 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 71 transitions. [2023-12-22 22:57:43,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 2 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-12-22 22:57:43,928 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 71 transitions. [2023-12-22 22:57:43,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-22 22:57:43,930 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 22:57:43,930 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 22:57:43,952 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 [2023-12-22 22:57:44,141 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 [2023-12-22 22:57:44,141 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 22:57:44,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 22:57:44,142 INFO L85 PathProgramCache]: Analyzing trace with hash -2133913248, now seen corresponding path program 1 times [2023-12-22 22:57:44,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 22:57:44,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [761669532] [2023-12-22 22:57:44,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 22:57:44,143 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 [2023-12-22 22:57:44,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 22:57:44,146 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) [2023-12-22 22:57:44,148 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 [2023-12-22 22:57:44,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 22:57:44,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 45 conjunts are in the unsatisfiable core [2023-12-22 22:57:44,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2023-12-22 23:11:37,868 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 [2023-12-22 23:11:37,868 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 [2023-12-22 23:11:38,758 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-22 23:11:38,782 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 (4)] Ended with exit code 0 [2023-12-22 23:11:39,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /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 [2023-12-22 23:11:39,087 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 111 with TraceHistMax 18,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-25-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-3-2-2-2-2-2-2-2-2-2-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-4-3-2-3-2-2-4-3-4-3-2-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-58-3-2-4-2-3-2-3-2-4-3-3-4-3-3-3-4-4-3-4-3-4-4-4-4-4-4-4-4-4-3-2-2-2-2-2-3-4-3-4-3-4-3-2-2-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-2-1 context. [2023-12-22 23:11:39,092 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-22 23:11:39,093 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-22 23:11:39,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 11:11:39 BoogieIcfgContainer [2023-12-22 23:11:39,095 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-22 23:11:39,096 INFO L158 Benchmark]: Toolchain (without parser) took 849618.11ms. Allocated memory was 299.9MB in the beginning and 8.0GB in the end (delta: 7.7GB). Free memory was 250.4MB in the beginning and 5.3GB in the end (delta: -5.0GB). Peak memory consumption was 7.3GB. Max. memory is 8.0GB. [2023-12-22 23:11:39,096 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 169.9MB. Free memory was 121.7MB in the beginning and 121.6MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-22 23:11:39,096 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.49ms. Allocated memory is still 299.9MB. Free memory was 250.1MB in the beginning and 236.1MB in the end (delta: 14.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-12-22 23:11:39,096 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.11ms. Allocated memory is still 299.9MB. Free memory was 236.1MB in the beginning and 233.7MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-22 23:11:39,097 INFO L158 Benchmark]: Boogie Preprocessor took 46.91ms. Allocated memory is still 299.9MB. Free memory was 233.7MB in the beginning and 230.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-22 23:11:39,097 INFO L158 Benchmark]: RCFGBuilder took 6088.13ms. Allocated memory is still 299.9MB. Free memory was 230.5MB in the beginning and 208.2MB in the end (delta: 22.3MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2023-12-22 23:11:39,097 INFO L158 Benchmark]: TraceAbstraction took 843114.43ms. Allocated memory was 299.9MB in the beginning and 8.0GB in the end (delta: 7.7GB). Free memory was 207.7MB in the beginning and 5.3GB in the end (delta: -5.1GB). Peak memory consumption was 7.3GB. Max. memory is 8.0GB. [2023-12-22 23:11:39,099 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### [2023-12-22 23:11:39,124 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 169.9MB. Free memory was 121.7MB in the beginning and 121.6MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 331.49ms. Allocated memory is still 299.9MB. Free memory was 250.1MB in the beginning and 236.1MB in the end (delta: 14.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.11ms. Allocated memory is still 299.9MB. Free memory was 236.1MB in the beginning and 233.7MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 46.91ms. Allocated memory is still 299.9MB. Free memory was 233.7MB in the beginning and 230.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 6088.13ms. Allocated memory is still 299.9MB. Free memory was 230.5MB in the beginning and 208.2MB in the end (delta: 22.3MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * TraceAbstraction took 843114.43ms. Allocated memory was 299.9MB in the beginning and 8.0GB in the end (delta: 7.7GB). Free memory was 207.7MB in the beginning and 5.3GB in the end (delta: -5.1GB). Peak memory consumption was 7.3GB. 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 111 with TraceHistMax 18,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-25-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-3-2-2-2-2-2-2-2-2-2-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-4-3-2-3-2-2-4-3-4-3-2-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-58-3-2-4-2-3-2-3-2-4-3-3-4-3-3-3-4-4-3-4-3-4-4-4-4-4-4-4-4-4-3-2-2-2-2-2-3-4-3-4-3-4-3-2-2-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 843.1s, OverallIterations: 3, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 59 SdHoareTripleChecker+Valid, 5.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 58 mSDsluCounter, 160 SdHoareTripleChecker+Invalid, 5.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 50 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 114 IncrementalHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 110 mSDtfsCounter, 114 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 334 GetRequests, 321 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=2, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 220 NumberOfCodeBlocks, 220 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 327 ConstructedInterpolants, 0 QuantifiedInterpolants, 690 SizeOfPredicates, 3 NumberOfNonLiveVariables, 380 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 1746/1836 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