./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-64.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-64.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fcfd2020f2de2f3b0b0c5e1fa65c275be1e18677644d220992f0b39e0978bf8a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 03:06:52,427 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 03:06:52,500 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 03:06:52,507 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 03:06:52,508 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 03:06:52,537 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 03:06:52,537 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 03:06:52,538 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 03:06:52,538 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 03:06:52,539 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 03:06:52,540 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 03:06:52,540 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 03:06:52,540 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 03:06:52,541 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 03:06:52,543 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 03:06:52,543 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 03:06:52,543 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 03:06:52,544 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 03:06:52,544 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 03:06:52,544 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 03:06:52,544 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 03:06:52,548 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 03:06:52,548 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 03:06:52,549 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 03:06:52,549 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 03:06:52,549 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 03:06:52,549 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 03:06:52,550 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 03:06:52,550 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 03:06:52,550 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 03:06:52,550 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 03:06:52,551 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 03:06:52,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 03:06:52,551 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 03:06:52,551 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 03:06:52,551 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 03:06:52,552 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 03:06:52,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 03:06:52,552 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 03:06:52,552 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 03:06:52,553 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 03:06:52,554 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 03:06:52,554 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcfd2020f2de2f3b0b0c5e1fa65c275be1e18677644d220992f0b39e0978bf8a [2024-10-13 03:06:52,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 03:06:52,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 03:06:52,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 03:06:52,831 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 03:06:52,832 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 03:06:52,833 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-64.i [2024-10-13 03:06:54,321 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 03:06:54,551 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 03:06:54,552 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-64.i [2024-10-13 03:06:54,562 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24bd85f5c/97392ba498634a5fad71a51cccb73f9e/FLAG9eee0eaa6 [2024-10-13 03:06:54,577 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24bd85f5c/97392ba498634a5fad71a51cccb73f9e [2024-10-13 03:06:54,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 03:06:54,580 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 03:06:54,583 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 03:06:54,584 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 03:06:54,589 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 03:06:54,590 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:06:54" (1/1) ... [2024-10-13 03:06:54,591 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23fa3a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:06:54, skipping insertion in model container [2024-10-13 03:06:54,591 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:06:54" (1/1) ... [2024-10-13 03:06:54,630 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 03:06:54,797 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-64.i[919,932] [2024-10-13 03:06:54,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 03:06:54,885 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 03:06:54,894 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-64.i[919,932] [2024-10-13 03:06:54,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 03:06:54,961 INFO L204 MainTranslator]: Completed translation [2024-10-13 03:06:54,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:06:54 WrapperNode [2024-10-13 03:06:54,962 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 03:06:54,963 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 03:06:54,963 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 03:06:54,963 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 03:06:54,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:06:54" (1/1) ... [2024-10-13 03:06:54,987 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:06:54" (1/1) ... [2024-10-13 03:06:55,045 INFO L138 Inliner]: procedures = 26, calls = 51, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 246 [2024-10-13 03:06:55,046 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 03:06:55,048 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 03:06:55,049 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 03:06:55,049 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 03:06:55,063 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:06:54" (1/1) ... [2024-10-13 03:06:55,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:06:54" (1/1) ... [2024-10-13 03:06:55,073 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:06:54" (1/1) ... [2024-10-13 03:06:55,102 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]. [2024-10-13 03:06:55,102 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:06:54" (1/1) ... [2024-10-13 03:06:55,103 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:06:54" (1/1) ... [2024-10-13 03:06:55,115 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:06:54" (1/1) ... [2024-10-13 03:06:55,122 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:06:54" (1/1) ... [2024-10-13 03:06:55,130 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:06:54" (1/1) ... [2024-10-13 03:06:55,134 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:06:54" (1/1) ... [2024-10-13 03:06:55,138 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 03:06:55,141 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 03:06:55,142 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 03:06:55,142 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 03:06:55,143 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:06:54" (1/1) ... [2024-10-13 03:06:55,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 03:06:55,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 03:06:55,181 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) [2024-10-13 03:06:55,184 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 [2024-10-13 03:06:55,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 03:06:55,235 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 03:06:55,235 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 03:06:55,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 03:06:55,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 03:06:55,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 03:06:55,345 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 03:06:55,346 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 03:06:55,737 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-10-13 03:06:55,738 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 03:06:55,790 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 03:06:55,790 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 03:06:55,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:06:55 BoogieIcfgContainer [2024-10-13 03:06:55,791 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 03:06:55,794 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 03:06:55,794 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 03:06:55,797 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 03:06:55,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:06:54" (1/3) ... [2024-10-13 03:06:55,798 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62008874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:06:55, skipping insertion in model container [2024-10-13 03:06:55,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:06:54" (2/3) ... [2024-10-13 03:06:55,798 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62008874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:06:55, skipping insertion in model container [2024-10-13 03:06:55,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:06:55" (3/3) ... [2024-10-13 03:06:55,799 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-64.i [2024-10-13 03:06:55,813 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 03:06:55,813 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 03:06:55,874 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 03:06:55,879 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;@48fc77c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 03:06:55,879 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 03:06:55,883 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 58 states have (on average 1.4310344827586208) internal successors, (83), 59 states have internal predecessors, (83), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-13 03:06:55,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2024-10-13 03:06:55,900 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:06:55,901 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:06:55,902 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:06:55,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:06:55,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1963536491, now seen corresponding path program 1 times [2024-10-13 03:06:55,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:06:55,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583386178] [2024-10-13 03:06:55,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:06:55,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:06:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:56,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:06:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:56,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:06:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:56,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:06:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:56,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:06:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:56,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:06:56,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:56,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:06:56,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:56,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:06:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:56,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:06:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:56,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:06:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:56,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:06:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:56,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:06:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:56,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:06:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:56,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:06:56,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:56,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:06:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:56,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:06:56,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:56,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:06:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:56,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:06:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:56,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:06:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:56,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:06:56,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:56,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:06:56,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:56,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:06:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:56,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:06:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:56,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:06:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:56,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 03:06:56,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:56,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:06:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:56,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 03:06:56,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:56,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 03:06:56,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:56,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 03:06:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:56,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 03:06:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:56,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 03:06:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:56,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:06:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:56,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 03:06:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:56,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 03:06:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:56,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 03:06:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:56,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 03:06:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:56,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 03:06:56,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:56,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 03:06:56,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:56,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-13 03:06:56,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:56,565 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-13 03:06:56,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:06:56,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583386178] [2024-10-13 03:06:56,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583386178] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:06:56,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:06:56,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 03:06:56,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666001640] [2024-10-13 03:06:56,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:06:56,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 03:06:56,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:06:56,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 03:06:56,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 03:06:56,604 INFO L87 Difference]: Start difference. First operand has 99 states, 58 states have (on average 1.4310344827586208) internal successors, (83), 59 states have internal predecessors, (83), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) [2024-10-13 03:06:56,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:06:56,724 INFO L93 Difference]: Finished difference Result 195 states and 354 transitions. [2024-10-13 03:06:56,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 03:06:56,729 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) Word has length 234 [2024-10-13 03:06:56,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:06:56,736 INFO L225 Difference]: With dead ends: 195 [2024-10-13 03:06:56,736 INFO L226 Difference]: Without dead ends: 97 [2024-10-13 03:06:56,740 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 03:06:56,743 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 03:06:56,744 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 151 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 03:06:56,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-10-13 03:06:56,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-10-13 03:06:56,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 57 states have (on average 1.368421052631579) internal successors, (78), 57 states have internal predecessors, (78), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-13 03:06:56,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 154 transitions. [2024-10-13 03:06:56,803 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 154 transitions. Word has length 234 [2024-10-13 03:06:56,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:06:56,804 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 154 transitions. [2024-10-13 03:06:56,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) [2024-10-13 03:06:56,804 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 154 transitions. [2024-10-13 03:06:56,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2024-10-13 03:06:56,809 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:06:56,810 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:06:56,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 03:06:56,810 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:06:56,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:06:56,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1935129063, now seen corresponding path program 1 times [2024-10-13 03:06:56,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:06:56,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491309050] [2024-10-13 03:06:56,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:06:56,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:06:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:57,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:06:57,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:57,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:06:57,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:57,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:06:57,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:57,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:06:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:57,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:06:57,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:57,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:06:57,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:57,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:06:57,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:57,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:06:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:57,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:06:57,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:57,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:06:57,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:57,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:06:57,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:57,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:06:57,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:57,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:06:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:57,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:06:57,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:57,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:06:57,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:57,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:06:57,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:57,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:06:57,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:57,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:06:57,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:57,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:06:57,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:57,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:06:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:57,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:06:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:57,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:06:57,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:57,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:06:57,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:57,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 03:06:57,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:57,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:06:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:57,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 03:06:57,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:57,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 03:06:57,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:57,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 03:06:57,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:57,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 03:06:57,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:57,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 03:06:57,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:57,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:06:57,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:57,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 03:06:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:57,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 03:06:57,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:57,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 03:06:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:57,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 03:06:57,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:57,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 03:06:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:57,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 03:06:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:57,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-13 03:06:57,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:57,528 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-13 03:06:57,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:06:57,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491309050] [2024-10-13 03:06:57,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491309050] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:06:57,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:06:57,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 03:06:57,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307119196] [2024-10-13 03:06:57,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:06:57,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 03:06:57,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:06:57,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 03:06:57,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 03:06:57,536 INFO L87 Difference]: Start difference. First operand 97 states and 154 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 03:06:57,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:06:57,909 INFO L93 Difference]: Finished difference Result 370 states and 585 transitions. [2024-10-13 03:06:57,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 03:06:57,910 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 234 [2024-10-13 03:06:57,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:06:57,919 INFO L225 Difference]: With dead ends: 370 [2024-10-13 03:06:57,919 INFO L226 Difference]: Without dead ends: 274 [2024-10-13 03:06:57,920 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-13 03:06:57,922 INFO L432 NwaCegarLoop]: 250 mSDtfsCounter, 282 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 03:06:57,922 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 677 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 03:06:57,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-10-13 03:06:57,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 175. [2024-10-13 03:06:57,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 96 states have (on average 1.2916666666666667) internal successors, (124), 96 states have internal predecessors, (124), 76 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-10-13 03:06:57,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 276 transitions. [2024-10-13 03:06:57,980 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 276 transitions. Word has length 234 [2024-10-13 03:06:57,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:06:57,981 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 276 transitions. [2024-10-13 03:06:57,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 03:06:57,981 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 276 transitions. [2024-10-13 03:06:57,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2024-10-13 03:06:57,984 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:06:57,985 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:06:57,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 03:06:57,985 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:06:57,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:06:57,986 INFO L85 PathProgramCache]: Analyzing trace with hash -160121701, now seen corresponding path program 1 times [2024-10-13 03:06:57,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:06:57,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377464021] [2024-10-13 03:06:57,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:06:57,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:06:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:01,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:07:01,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:01,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:07:01,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:01,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:07:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:01,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:07:01,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:01,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:07:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:01,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:07:01,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:01,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:07:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:01,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:07:01,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:01,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:07:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:01,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:07:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:01,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:07:01,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:01,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:07:01,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:01,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:07:01,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:01,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:07:01,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:01,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:07:01,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:01,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:07:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:01,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:07:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:01,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:07:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:01,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:07:01,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:01,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:07:01,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:01,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:07:01,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:01,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:07:01,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:01,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:07:01,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:01,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 03:07:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:01,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:07:01,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:01,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 03:07:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:01,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 03:07:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:01,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 03:07:01,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:01,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 03:07:01,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:01,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 03:07:01,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:01,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:07:01,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:01,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 03:07:01,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:01,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 03:07:01,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:01,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 03:07:01,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:01,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 03:07:01,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:01,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 03:07:01,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:01,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 03:07:01,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:01,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-13 03:07:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:01,499 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-13 03:07:01,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:07:01,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377464021] [2024-10-13 03:07:01,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377464021] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:07:01,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:07:01,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 03:07:01,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528762006] [2024-10-13 03:07:01,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:07:01,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 03:07:01,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:07:01,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 03:07:01,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 03:07:01,505 INFO L87 Difference]: Start difference. First operand 175 states and 276 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 03:07:02,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:07:02,047 INFO L93 Difference]: Finished difference Result 514 states and 813 transitions. [2024-10-13 03:07:02,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 03:07:02,048 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 234 [2024-10-13 03:07:02,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:07:02,052 INFO L225 Difference]: With dead ends: 514 [2024-10-13 03:07:02,053 INFO L226 Difference]: Without dead ends: 340 [2024-10-13 03:07:02,054 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-13 03:07:02,056 INFO L432 NwaCegarLoop]: 250 mSDtfsCounter, 198 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 679 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 03:07:02,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 679 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 03:07:02,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-10-13 03:07:02,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 179. [2024-10-13 03:07:02,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 100 states have (on average 1.3) internal successors, (130), 100 states have internal predecessors, (130), 76 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-10-13 03:07:02,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 282 transitions. [2024-10-13 03:07:02,123 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 282 transitions. Word has length 234 [2024-10-13 03:07:02,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:07:02,125 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 282 transitions. [2024-10-13 03:07:02,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 03:07:02,126 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 282 transitions. [2024-10-13 03:07:02,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2024-10-13 03:07:02,129 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:07:02,129 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:07:02,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 03:07:02,130 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:07:02,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:07:02,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1502804711, now seen corresponding path program 1 times [2024-10-13 03:07:02,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:07:02,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68404455] [2024-10-13 03:07:02,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:07:02,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:07:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:04,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:07:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:04,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:07:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:04,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:07:04,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:04,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:07:04,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:04,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:07:04,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:04,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:07:04,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:04,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:07:04,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:04,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:07:04,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:04,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:07:04,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:04,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:07:04,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:04,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:07:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:04,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:07:04,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:04,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:07:04,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:04,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:07:04,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:04,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:07:04,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:04,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:07:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:04,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:07:04,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:04,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:07:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:04,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:07:04,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:04,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:07:04,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:04,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:07:04,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:04,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:07:04,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:04,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:07:04,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:04,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 03:07:04,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:04,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:07:04,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:04,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 03:07:04,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:04,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 03:07:04,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:04,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 03:07:04,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:04,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 03:07:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:04,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 03:07:04,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:04,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:07:04,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:04,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 03:07:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:04,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 03:07:04,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:04,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 03:07:04,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:04,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 03:07:04,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:04,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 03:07:04,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:04,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 03:07:04,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:04,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-13 03:07:04,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:04,517 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-13 03:07:04,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:07:04,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68404455] [2024-10-13 03:07:04,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68404455] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:07:04,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:07:04,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 03:07:04,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138746991] [2024-10-13 03:07:04,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:07:04,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 03:07:04,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:07:04,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 03:07:04,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 03:07:04,521 INFO L87 Difference]: Start difference. First operand 179 states and 282 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 03:07:04,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:07:04,860 INFO L93 Difference]: Finished difference Result 444 states and 699 transitions. [2024-10-13 03:07:04,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 03:07:04,860 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 234 [2024-10-13 03:07:04,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:07:04,864 INFO L225 Difference]: With dead ends: 444 [2024-10-13 03:07:04,864 INFO L226 Difference]: Without dead ends: 266 [2024-10-13 03:07:04,865 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-13 03:07:04,866 INFO L432 NwaCegarLoop]: 274 mSDtfsCounter, 156 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 837 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 03:07:04,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 837 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 03:07:04,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2024-10-13 03:07:04,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 175. [2024-10-13 03:07:04,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 96 states have (on average 1.28125) internal successors, (123), 96 states have internal predecessors, (123), 76 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2024-10-13 03:07:04,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 275 transitions. [2024-10-13 03:07:04,892 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 275 transitions. Word has length 234 [2024-10-13 03:07:04,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:07:04,893 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 275 transitions. [2024-10-13 03:07:04,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 03:07:04,894 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 275 transitions. [2024-10-13 03:07:04,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2024-10-13 03:07:04,896 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:07:04,896 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:07:04,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 03:07:04,896 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:07:04,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:07:04,897 INFO L85 PathProgramCache]: Analyzing trace with hash -329930626, now seen corresponding path program 1 times [2024-10-13 03:07:04,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:07:04,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934627507] [2024-10-13 03:07:04,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:07:04,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:07:04,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:05,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:07:05,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:05,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:07:05,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:05,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:07:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:05,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:07:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:05,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:07:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:05,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:07:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:05,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:07:05,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:05,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:07:05,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:05,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:07:05,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:05,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:07:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:05,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:07:05,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:05,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:07:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:05,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:07:05,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:05,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:07:05,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:05,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:07:05,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:05,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:07:05,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:05,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:07:05,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:05,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:07:05,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:05,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:07:05,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:05,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:07:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:05,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:07:05,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:05,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:07:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:05,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:07:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:05,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 03:07:05,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:05,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:07:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:05,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 03:07:05,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:05,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 03:07:05,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:05,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 03:07:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:05,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 03:07:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:05,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 03:07:05,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:05,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:07:05,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:05,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 03:07:05,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:05,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 03:07:05,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:05,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 03:07:05,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:05,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 03:07:05,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:05,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 03:07:05,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:05,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 03:07:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:05,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-13 03:07:05,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:07:05,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-13 03:07:05,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:07:05,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934627507] [2024-10-13 03:07:05,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934627507] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:07:05,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:07:05,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 03:07:05,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040555001] [2024-10-13 03:07:05,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:07:05,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 03:07:05,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:07:05,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 03:07:05,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 03:07:05,298 INFO L87 Difference]: Start difference. First operand 175 states and 275 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 03:07:05,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:07:05,344 INFO L93 Difference]: Finished difference Result 521 states and 819 transitions. [2024-10-13 03:07:05,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 03:07:05,345 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 236 [2024-10-13 03:07:05,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:07:05,348 INFO L225 Difference]: With dead ends: 521 [2024-10-13 03:07:05,348 INFO L226 Difference]: Without dead ends: 347 [2024-10-13 03:07:05,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 03:07:05,351 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 83 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 03:07:05,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 304 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 03:07:05,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-10-13 03:07:05,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 345. [2024-10-13 03:07:05,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 188 states have (on average 1.2553191489361701) internal successors, (236), 188 states have internal predecessors, (236), 152 states have call successors, (152), 4 states have call predecessors, (152), 4 states have return successors, (152), 152 states have call predecessors, (152), 152 states have call successors, (152) [2024-10-13 03:07:05,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 540 transitions. [2024-10-13 03:07:05,383 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 540 transitions. Word has length 236 [2024-10-13 03:07:05,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:07:05,384 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 540 transitions. [2024-10-13 03:07:05,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 03:07:05,384 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 540 transitions. [2024-10-13 03:07:05,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2024-10-13 03:07:05,387 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:07:05,388 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:07:05,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 03:07:05,388 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:07:05,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:07:05,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1433362481, now seen corresponding path program 1 times [2024-10-13 03:07:05,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:07:05,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644714102] [2024-10-13 03:07:05,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:07:05,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:07:05,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat