/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy WOLF -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-69.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-17387ad-m [2024-11-05 22:58:26,080 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 22:58:26,152 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-05 22:58:26,156 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 22:58:26,157 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 22:58:26,187 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 22:58:26,189 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 22:58:26,189 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 22:58:26,190 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 22:58:26,192 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 22:58:26,192 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 22:58:26,192 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 22:58:26,193 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 22:58:26,194 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 22:58:26,194 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 22:58:26,195 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 22:58:26,195 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 22:58:26,196 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-05 22:58:26,196 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-05 22:58:26,196 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 22:58:26,196 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 22:58:26,200 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 22:58:26,200 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 22:58:26,200 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 22:58:26,200 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 22:58:26,201 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 22:58:26,201 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 22:58:26,201 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-05 22:58:26,201 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 22:58:26,201 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 22:58:26,202 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 22:58:26,202 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 22:58:26,202 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 22:58:26,202 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 22:58:26,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 22:58:26,203 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 22:58:26,203 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 22:58:26,204 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 22:58:26,204 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 22:58:26,204 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 22:58:26,204 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 22:58:26,205 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 22:58:26,205 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 22:58:26,205 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 22:58:26,205 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> WOLF [2024-11-05 22:58:26,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 22:58:26,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 22:58:26,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 22:58:26,476 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 22:58:26,476 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 22:58:26,477 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-69.i [2024-11-05 22:58:27,919 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 22:58:28,115 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 22:58:28,115 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-69.i [2024-11-05 22:58:28,124 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6824346e8/37a691d8741f404bafa7f865163ff74e/FLAGf5ff33e18 [2024-11-05 22:58:28,495 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6824346e8/37a691d8741f404bafa7f865163ff74e [2024-11-05 22:58:28,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 22:58:28,499 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 22:58:28,502 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 22:58:28,502 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 22:58:28,507 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 22:58:28,508 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 10:58:28" (1/1) ... [2024-11-05 22:58:28,509 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ae6cba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:58:28, skipping insertion in model container [2024-11-05 22:58:28,509 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 10:58:28" (1/1) ... [2024-11-05 22:58:28,538 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 22:58:28,678 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-69.i[916,929] [2024-11-05 22:58:28,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 22:58:28,728 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 22:58:28,738 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-69.i[916,929] [2024-11-05 22:58:28,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 22:58:28,779 INFO L204 MainTranslator]: Completed translation [2024-11-05 22:58:28,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:58:28 WrapperNode [2024-11-05 22:58:28,780 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 22:58:28,781 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 22:58:28,781 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 22:58:28,781 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 22:58:28,787 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:58:28" (1/1) ... [2024-11-05 22:58:28,795 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:58:28" (1/1) ... [2024-11-05 22:58:28,816 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 107 [2024-11-05 22:58:28,816 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 22:58:28,818 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 22:58:28,819 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 22:58:28,819 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 22:58:28,828 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:58:28" (1/1) ... [2024-11-05 22:58:28,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:58:28" (1/1) ... [2024-11-05 22:58:28,833 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:58:28" (1/1) ... [2024-11-05 22:58:28,843 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-05 22:58:28,843 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:58:28" (1/1) ... [2024-11-05 22:58:28,843 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:58:28" (1/1) ... [2024-11-05 22:58:28,854 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:58:28" (1/1) ... [2024-11-05 22:58:28,857 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:58:28" (1/1) ... [2024-11-05 22:58:28,859 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:58:28" (1/1) ... [2024-11-05 22:58:28,860 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:58:28" (1/1) ... [2024-11-05 22:58:28,863 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 22:58:28,864 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 22:58:28,864 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 22:58:28,864 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 22:58:28,865 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:58:28" (1/1) ... [2024-11-05 22:58:28,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 22:58:28,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 22:58:28,901 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-05 22:58:28,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-05 22:58:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 22:58:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 22:58:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 22:58:28,936 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 22:58:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 22:58:28,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 22:58:29,026 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 22:58:29,032 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 22:58:29,410 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-05 22:58:29,411 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 22:58:29,428 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 22:58:29,428 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-05 22:58:29,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 10:58:29 BoogieIcfgContainer [2024-11-05 22:58:29,429 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 22:58:29,431 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 22:58:29,431 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 22:58:29,434 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 22:58:29,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 10:58:28" (1/3) ... [2024-11-05 22:58:29,435 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec8e5a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 10:58:29, skipping insertion in model container [2024-11-05 22:58:29,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 10:58:28" (2/3) ... [2024-11-05 22:58:29,436 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec8e5a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 10:58:29, skipping insertion in model container [2024-11-05 22:58:29,436 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 10:58:29" (3/3) ... [2024-11-05 22:58:29,438 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-69.i [2024-11-05 22:58:29,453 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 22:58:29,453 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 22:58:29,510 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 22:58:29,516 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@16938468, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 22:58:29,516 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 22:58:29,520 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 35 states have internal predecessors, (47), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-05 22:58:29,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-05 22:58:29,530 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 22:58:29,530 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 22:58:29,531 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 22:58:29,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 22:58:29,535 INFO L85 PathProgramCache]: Analyzing trace with hash 494546619, now seen corresponding path program 1 times [2024-11-05 22:58:29,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-05 22:58:29,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1326852266] [2024-11-05 22:58:29,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 22:58:29,548 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 22:58:29,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 22:58:29,551 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 22:58:29,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-05 22:58:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 22:58:29,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-05 22:58:29,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 22:58:29,736 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2024-11-05 22:58:29,740 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-05 22:58:29,741 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-05 22:58:29,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1326852266] [2024-11-05 22:58:29,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1326852266] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-05 22:58:29,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-05 22:58:29,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-05 22:58:29,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993014273] [2024-11-05 22:58:29,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 22:58:29,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-05 22:58:29,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-05 22:58:29,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-05 22:58:29,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 22:58:29,774 INFO L87 Difference]: Start difference. First operand has 53 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 35 states have internal predecessors, (47), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-05 22:58:29,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 22:58:29,808 INFO L93 Difference]: Finished difference Result 99 states and 168 transitions. [2024-11-05 22:58:29,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-05 22:58:29,811 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 102 [2024-11-05 22:58:29,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 22:58:29,819 INFO L225 Difference]: With dead ends: 99 [2024-11-05 22:58:29,820 INFO L226 Difference]: Without dead ends: 49 [2024-11-05 22:58:29,824 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 22:58:29,827 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-05 22:58:29,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 22:58:29,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-05 22:58:29,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-05 22:58:29,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 31 states have internal predecessors, (40), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-05 22:58:29,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 72 transitions. [2024-11-05 22:58:29,876 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 72 transitions. Word has length 102 [2024-11-05 22:58:29,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 22:58:29,876 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 72 transitions. [2024-11-05 22:58:29,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-05 22:58:29,876 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 72 transitions. [2024-11-05 22:58:29,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-05 22:58:29,882 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 22:58:29,882 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 22:58:29,889 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 [2024-11-05 22:58:30,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 22:58:30,083 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 22:58:30,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 22:58:30,085 INFO L85 PathProgramCache]: Analyzing trace with hash -577696069, now seen corresponding path program 1 times [2024-11-05 22:58:30,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-05 22:58:30,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [56113654] [2024-11-05 22:58:30,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 22:58:30,086 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 22:58:30,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 22:58:30,088 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 22:58:30,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-05 22:58:30,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 22:58:30,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-05 22:58:30,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 22:58:41,855 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-05 22:58:41,855 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-05 22:58:41,856 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-05 22:58:41,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [56113654] [2024-11-05 22:58:41,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [56113654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-05 22:58:41,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-05 22:58:41,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-05 22:58:41,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003811787] [2024-11-05 22:58:41,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 22:58:41,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-05 22:58:41,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-05 22:58:41,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-05 22:58:41,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-05 22:58:41,862 INFO L87 Difference]: Start difference. First operand 49 states and 72 transitions. Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-05 22:58:44,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 22:58:44,610 INFO L93 Difference]: Finished difference Result 76 states and 107 transitions. [2024-11-05 22:58:44,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-05 22:58:44,616 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 102 [2024-11-05 22:58:44,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 22:58:44,618 INFO L225 Difference]: With dead ends: 76 [2024-11-05 22:58:44,618 INFO L226 Difference]: Without dead ends: 74 [2024-11-05 22:58:44,619 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-05 22:58:44,620 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 26 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-05 22:58:44,620 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 272 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-05 22:58:44,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-05 22:58:44,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 58. [2024-11-05 22:58:44,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 40 states have (on average 1.325) internal successors, (53), 40 states have internal predecessors, (53), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-05 22:58:44,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 85 transitions. [2024-11-05 22:58:44,636 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 85 transitions. Word has length 102 [2024-11-05 22:58:44,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 22:58:44,642 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 85 transitions. [2024-11-05 22:58:44,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-05 22:58:44,642 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 85 transitions. [2024-11-05 22:58:44,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-05 22:58:44,645 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 22:58:44,646 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 22:58:44,653 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-05 22:58:44,846 WARN L453 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 [2024-11-05 22:58:44,847 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 22:58:44,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 22:58:44,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1877521400, now seen corresponding path program 1 times [2024-11-05 22:58:44,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-05 22:58:44,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1773318867] [2024-11-05 22:58:44,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 22:58:44,850 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 22:58:44,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 22:58:44,854 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) [2024-11-05 22:58:44,855 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 [2024-11-05 22:58:44,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 22:58:44,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-05 22:58:44,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 22:58:51,374 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-05 22:58:51,375 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-05 22:58:51,375 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-05 22:58:51,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1773318867] [2024-11-05 22:58:51,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1773318867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-05 22:58:51,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-05 22:58:51,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-05 22:58:51,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113176607] [2024-11-05 22:58:51,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 22:58:51,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-05 22:58:51,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-05 22:58:51,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-05 22:58:51,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-05 22:58:51,378 INFO L87 Difference]: Start difference. First operand 58 states and 85 transitions. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-05 22:58:52,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 22:58:52,211 INFO L93 Difference]: Finished difference Result 74 states and 105 transitions. [2024-11-05 22:58:52,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-05 22:58:52,213 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 103 [2024-11-05 22:58:52,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 22:58:52,215 INFO L225 Difference]: With dead ends: 74 [2024-11-05 22:58:52,215 INFO L226 Difference]: Without dead ends: 72 [2024-11-05 22:58:52,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-05 22:58:52,220 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 21 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-05 22:58:52,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 250 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-05 22:58:52,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-05 22:58:52,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 59. [2024-11-05 22:58:52,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 41 states have internal predecessors, (55), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-05 22:58:52,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 87 transitions. [2024-11-05 22:58:52,230 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 87 transitions. Word has length 103 [2024-11-05 22:58:52,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 22:58:52,231 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 87 transitions. [2024-11-05 22:58:52,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-05 22:58:52,231 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 87 transitions. [2024-11-05 22:58:52,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-05 22:58:52,233 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 22:58:52,233 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 22:58:52,239 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 [2024-11-05 22:58:52,434 WARN L453 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 [2024-11-05 22:58:52,435 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 22:58:52,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 22:58:52,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1994204589, now seen corresponding path program 1 times [2024-11-05 22:58:52,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-05 22:58:52,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [602709419] [2024-11-05 22:58:52,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 22:58:52,437 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 22:58:52,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 22:58:52,441 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 22:58:52,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-05 22:58:52,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 22:58:52,567 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-05 22:58:52,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 22:58:57,809 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-05 22:58:57,810 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-05 22:58:57,810 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-05 22:58:57,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [602709419] [2024-11-05 22:58:57,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [602709419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-05 22:58:57,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-05 22:58:57,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-05 22:58:57,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157087243] [2024-11-05 22:58:57,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 22:58:57,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-05 22:58:57,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-05 22:58:57,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-05 22:58:57,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-05 22:58:57,813 INFO L87 Difference]: Start difference. First operand 59 states and 87 transitions. Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-05 22:59:01,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 22:59:01,801 INFO L93 Difference]: Finished difference Result 89 states and 125 transitions. [2024-11-05 22:59:01,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-05 22:59:01,807 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 103 [2024-11-05 22:59:01,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 22:59:01,808 INFO L225 Difference]: With dead ends: 89 [2024-11-05 22:59:01,808 INFO L226 Difference]: Without dead ends: 87 [2024-11-05 22:59:01,809 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-05 22:59:01,810 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 56 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-05 22:59:01,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 334 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-05 22:59:01,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-05 22:59:01,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 61. [2024-11-05 22:59:01,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 43 states have internal predecessors, (58), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-05 22:59:01,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 90 transitions. [2024-11-05 22:59:01,820 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 90 transitions. Word has length 103 [2024-11-05 22:59:01,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 22:59:01,821 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 90 transitions. [2024-11-05 22:59:01,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-05 22:59:01,821 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 90 transitions. [2024-11-05 22:59:01,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-05 22:59:01,824 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 22:59:01,824 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 22:59:01,830 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 (5)] Ended with exit code 0 [2024-11-05 22:59:02,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 22:59:02,026 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 22:59:02,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 22:59:02,026 INFO L85 PathProgramCache]: Analyzing trace with hash 915430240, now seen corresponding path program 1 times [2024-11-05 22:59:02,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-05 22:59:02,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [617056174] [2024-11-05 22:59:02,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 22:59:02,027 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 22:59:02,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 22:59:02,031 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 22:59:02,032 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 (6)] Waiting until timeout for monitored process [2024-11-05 22:59:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 22:59:02,110 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-05 22:59:02,114 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 22:59:04,838 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-05 22:59:04,839 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-05 22:59:04,839 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-05 22:59:04,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [617056174] [2024-11-05 22:59:04,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [617056174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-05 22:59:04,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-05 22:59:04,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-05 22:59:04,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250738292] [2024-11-05 22:59:04,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 22:59:04,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-05 22:59:04,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-05 22:59:04,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-05 22:59:04,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-05 22:59:04,842 INFO L87 Difference]: Start difference. First operand 61 states and 90 transitions. Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-05 22:59:06,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 22:59:06,650 INFO L93 Difference]: Finished difference Result 87 states and 123 transitions. [2024-11-05 22:59:06,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-05 22:59:06,653 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 104 [2024-11-05 22:59:06,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 22:59:06,654 INFO L225 Difference]: With dead ends: 87 [2024-11-05 22:59:06,654 INFO L226 Difference]: Without dead ends: 85 [2024-11-05 22:59:06,655 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-05 22:59:06,656 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 50 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-05 22:59:06,656 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 336 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-05 22:59:06,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-05 22:59:06,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 59. [2024-11-05 22:59:06,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 41 states have internal predecessors, (55), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-05 22:59:06,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 87 transitions. [2024-11-05 22:59:06,663 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 87 transitions. Word has length 104 [2024-11-05 22:59:06,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 22:59:06,663 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 87 transitions. [2024-11-05 22:59:06,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-05 22:59:06,664 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 87 transitions. [2024-11-05 22:59:06,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-05 22:59:06,665 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 22:59:06,665 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 22:59:06,674 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 (6)] Forceful destruction successful, exit code 0 [2024-11-05 22:59:06,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 22:59:06,870 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 22:59:06,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 22:59:06,870 INFO L85 PathProgramCache]: Analyzing trace with hash 891333824, now seen corresponding path program 1 times [2024-11-05 22:59:06,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-05 22:59:06,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1563569407] [2024-11-05 22:59:06,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 22:59:06,871 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 22:59:06,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 22:59:06,873 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 22:59:06,874 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 (7)] Waiting until timeout for monitored process [2024-11-05 22:59:06,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 22:59:06,949 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-05 22:59:06,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 22:59:10,160 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-05 22:59:10,161 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-05 22:59:10,161 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-05 22:59:10,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1563569407] [2024-11-05 22:59:10,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1563569407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-05 22:59:10,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-05 22:59:10,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-05 22:59:10,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129160139] [2024-11-05 22:59:10,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 22:59:10,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-05 22:59:10,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-05 22:59:10,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-05 22:59:10,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-05 22:59:10,163 INFO L87 Difference]: Start difference. First operand 59 states and 87 transitions. Second operand has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-05 22:59:12,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 22:59:12,170 INFO L93 Difference]: Finished difference Result 156 states and 226 transitions. [2024-11-05 22:59:12,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-05 22:59:12,175 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 104 [2024-11-05 22:59:12,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 22:59:12,176 INFO L225 Difference]: With dead ends: 156 [2024-11-05 22:59:12,176 INFO L226 Difference]: Without dead ends: 100 [2024-11-05 22:59:12,177 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-05 22:59:12,178 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 79 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-05 22:59:12,178 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 312 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-05 22:59:12,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-05 22:59:12,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 64. [2024-11-05 22:59:12,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 46 states have (on average 1.326086956521739) internal successors, (61), 46 states have internal predecessors, (61), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-05 22:59:12,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 93 transitions. [2024-11-05 22:59:12,185 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 93 transitions. Word has length 104 [2024-11-05 22:59:12,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 22:59:12,185 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 93 transitions. [2024-11-05 22:59:12,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-05 22:59:12,186 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2024-11-05 22:59:12,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-05 22:59:12,187 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 22:59:12,187 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 22:59:12,194 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 (7)] Forceful destruction successful, exit code 0 [2024-11-05 22:59:12,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 22:59:12,388 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 22:59:12,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 22:59:12,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1571392194, now seen corresponding path program 1 times [2024-11-05 22:59:12,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-05 22:59:12,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [681996947] [2024-11-05 22:59:12,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 22:59:12,389 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 22:59:12,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 22:59:12,391 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 22:59:12,394 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 (8)] Waiting until timeout for monitored process [2024-11-05 22:59:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 22:59:12,534 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-05 22:59:12,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 22:59:15,757 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-05 22:59:15,758 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-05 22:59:15,758 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-05 22:59:15,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [681996947] [2024-11-05 22:59:15,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [681996947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-05 22:59:15,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-05 22:59:15,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-05 22:59:15,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929695750] [2024-11-05 22:59:15,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 22:59:15,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-05 22:59:15,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-05 22:59:15,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-05 22:59:15,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-05 22:59:15,762 INFO L87 Difference]: Start difference. First operand 64 states and 93 transitions. Second operand has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-05 22:59:19,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 22:59:19,342 INFO L93 Difference]: Finished difference Result 109 states and 149 transitions. [2024-11-05 22:59:19,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-05 22:59:19,346 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 104 [2024-11-05 22:59:19,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 22:59:19,348 INFO L225 Difference]: With dead ends: 109 [2024-11-05 22:59:19,348 INFO L226 Difference]: Without dead ends: 107 [2024-11-05 22:59:19,348 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-05 22:59:19,349 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 70 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-05 22:59:19,349 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 472 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-05 22:59:19,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-05 22:59:19,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 62. [2024-11-05 22:59:19,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 44 states have (on average 1.3181818181818181) internal successors, (58), 44 states have internal predecessors, (58), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-05 22:59:19,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 90 transitions. [2024-11-05 22:59:19,356 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 90 transitions. Word has length 104 [2024-11-05 22:59:19,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 22:59:19,356 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 90 transitions. [2024-11-05 22:59:19,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-05 22:59:19,357 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2024-11-05 22:59:19,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-05 22:59:19,358 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 22:59:19,358 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 22:59:19,370 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 (8)] Ended with exit code 0 [2024-11-05 22:59:19,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 22:59:19,561 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 22:59:19,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 22:59:19,561 INFO L85 PathProgramCache]: Analyzing trace with hash 172807827, now seen corresponding path program 1 times [2024-11-05 22:59:19,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-05 22:59:19,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2008256943] [2024-11-05 22:59:19,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 22:59:19,562 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 22:59:19,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 22:59:19,566 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 22:59:19,567 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 (9)] Waiting until timeout for monitored process [2024-11-05 22:59:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 22:59:19,645 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-05 22:59:19,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 22:59:21,746 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-05 22:59:21,746 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-05 22:59:21,746 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-05 22:59:21,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2008256943] [2024-11-05 22:59:21,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2008256943] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-05 22:59:21,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-05 22:59:21,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-05 22:59:21,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062654192] [2024-11-05 22:59:21,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 22:59:21,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-05 22:59:21,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-05 22:59:21,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-05 22:59:21,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-05 22:59:21,749 INFO L87 Difference]: Start difference. First operand 62 states and 90 transitions. Second operand has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-05 22:59:23,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 22:59:23,325 INFO L93 Difference]: Finished difference Result 107 states and 147 transitions. [2024-11-05 22:59:23,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-05 22:59:23,327 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 105 [2024-11-05 22:59:23,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 22:59:23,328 INFO L225 Difference]: With dead ends: 107 [2024-11-05 22:59:23,328 INFO L226 Difference]: Without dead ends: 105 [2024-11-05 22:59:23,329 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-11-05 22:59:23,329 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 77 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-05 22:59:23,330 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 342 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-05 22:59:23,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-11-05 22:59:23,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 65. [2024-11-05 22:59:23,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 47 states have (on average 1.3404255319148937) internal successors, (63), 47 states have internal predecessors, (63), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-05 22:59:23,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 95 transitions. [2024-11-05 22:59:23,337 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 95 transitions. Word has length 105 [2024-11-05 22:59:23,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 22:59:23,337 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 95 transitions. [2024-11-05 22:59:23,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-05 22:59:23,337 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 95 transitions. [2024-11-05 22:59:23,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-05 22:59:23,340 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 22:59:23,340 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 22:59:23,348 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 (9)] Ended with exit code 0 [2024-11-05 22:59:23,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 22:59:23,541 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 22:59:23,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 22:59:23,542 INFO L85 PathProgramCache]: Analyzing trace with hash -220219183, now seen corresponding path program 1 times [2024-11-05 22:59:23,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-05 22:59:23,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1315630474] [2024-11-05 22:59:23,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 22:59:23,543 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 22:59:23,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 22:59:23,544 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 22:59:23,545 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 (10)] Waiting until timeout for monitored process [2024-11-05 22:59:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 22:59:23,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-05 22:59:23,618 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 22:59:25,163 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-05 22:59:25,163 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-05 22:59:25,163 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-05 22:59:25,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1315630474] [2024-11-05 22:59:25,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1315630474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-05 22:59:25,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-05 22:59:25,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-05 22:59:25,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272506305] [2024-11-05 22:59:25,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 22:59:25,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-05 22:59:25,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-05 22:59:25,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-05 22:59:25,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-05 22:59:25,165 INFO L87 Difference]: Start difference. First operand 65 states and 95 transitions. Second operand has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-05 22:59:27,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 22:59:27,456 INFO L93 Difference]: Finished difference Result 98 states and 136 transitions. [2024-11-05 22:59:27,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-05 22:59:27,458 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 105 [2024-11-05 22:59:27,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 22:59:27,458 INFO L225 Difference]: With dead ends: 98 [2024-11-05 22:59:27,458 INFO L226 Difference]: Without dead ends: 0 [2024-11-05 22:59:27,459 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-11-05 22:59:27,460 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 56 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-05 22:59:27,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 378 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-05 22:59:27,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-05 22:59:27,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-05 22:59:27,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-05 22:59:27,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-05 22:59:27,461 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 105 [2024-11-05 22:59:27,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 22:59:27,461 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-05 22:59:27,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-05 22:59:27,461 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-05 22:59:27,461 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-05 22:59:27,463 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-05 22:59:27,470 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 (10)] Forceful destruction successful, exit code 0 [2024-11-05 22:59:27,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 22:59:27,667 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 22:59:27,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-05 22:59:27,691 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-05 22:59:27,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.11 10:59:27 BoogieIcfgContainer [2024-11-05 22:59:27,705 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-05 22:59:27,706 INFO L158 Benchmark]: Toolchain (without parser) took 59207.14ms. Allocated memory was 425.7MB in the beginning and 795.9MB in the end (delta: 370.1MB). Free memory was 369.4MB in the beginning and 686.2MB in the end (delta: -316.8MB). Peak memory consumption was 54.1MB. Max. memory is 8.0GB. [2024-11-05 22:59:27,706 INFO L158 Benchmark]: CDTParser took 1.37ms. Allocated memory is still 217.1MB. Free memory is still 168.9MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-05 22:59:27,706 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.54ms. Allocated memory is still 425.7MB. Free memory was 369.1MB in the beginning and 354.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-11-05 22:59:27,706 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.64ms. Allocated memory is still 425.7MB. Free memory was 354.4MB in the beginning and 352.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-05 22:59:27,707 INFO L158 Benchmark]: Boogie Preprocessor took 44.31ms. Allocated memory is still 425.7MB. Free memory was 352.6MB in the beginning and 349.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-05 22:59:27,707 INFO L158 Benchmark]: RCFGBuilder took 565.52ms. Allocated memory is still 425.7MB. Free memory was 349.9MB in the beginning and 387.1MB in the end (delta: -37.2MB). Peak memory consumption was 15.6MB. Max. memory is 8.0GB. [2024-11-05 22:59:27,707 INFO L158 Benchmark]: TraceAbstraction took 58273.92ms. Allocated memory was 425.7MB in the beginning and 795.9MB in the end (delta: 370.1MB). Free memory was 386.6MB in the beginning and 686.2MB in the end (delta: -299.6MB). Peak memory consumption was 71.0MB. Max. memory is 8.0GB. [2024-11-05 22:59:27,711 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.37ms. Allocated memory is still 217.1MB. Free memory is still 168.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 278.54ms. Allocated memory is still 425.7MB. Free memory was 369.1MB in the beginning and 354.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.64ms. Allocated memory is still 425.7MB. Free memory was 354.4MB in the beginning and 352.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 44.31ms. Allocated memory is still 425.7MB. Free memory was 352.6MB in the beginning and 349.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 565.52ms. Allocated memory is still 425.7MB. Free memory was 349.9MB in the beginning and 387.1MB in the end (delta: -37.2MB). Peak memory consumption was 15.6MB. Max. memory is 8.0GB. * TraceAbstraction took 58273.92ms. Allocated memory was 425.7MB in the beginning and 795.9MB in the end (delta: 370.1MB). Free memory was 386.6MB in the beginning and 686.2MB in the end (delta: -299.6MB). Peak memory consumption was 71.0MB. 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 58.2s, OverallIterations: 9, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 19.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 435 SdHoareTripleChecker+Valid, 14.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 435 mSDsluCounter, 2768 SdHoareTripleChecker+Invalid, 12.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2052 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1692 IncrementalHoareTripleChecker+Invalid, 1718 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 716 mSDtfsCounter, 1692 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 939 GetRequests, 869 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 10.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=8, InterpolantAutomatonStates: 72, 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, 9 MinimizatonAttempts, 202 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 36.2s InterpolantComputationTime, 932 NumberOfCodeBlocks, 932 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 923 ConstructedInterpolants, 0 QuantifiedInterpolants, 2260 SizeOfPredicates, 88 NumberOfNonLiveVariables, 1498 ConjunctsInSsa, 91 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 4320/4320 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_2 == \old(var_1_2))) && (var_1_3 == \old(var_1_3))) && (var_1_4 == \old(var_1_4))) && (var_1_5 == \old(var_1_5))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_10 == \old(var_1_10))) && (var_1_11 == \old(var_1_11))) && (var_1_13 == \old(var_1_13))) RESULT: Ultimate proved your program to be correct! [2024-11-05 22:59:27,748 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 Received shutdown request...