./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-50.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-50.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 1d54cda1e1849769fc331dfdba9fcfb2e9b4fcf52bd0d43d6f8a699ed6598582 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 05:17:50,848 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 05:17:50,928 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 05:17:50,934 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 05:17:50,937 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 05:17:50,968 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 05:17:50,970 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 05:17:50,971 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 05:17:50,971 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 05:17:50,973 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 05:17:50,973 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 05:17:50,973 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 05:17:50,974 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 05:17:50,974 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 05:17:50,974 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 05:17:50,975 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 05:17:50,975 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 05:17:50,978 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 05:17:50,978 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 05:17:50,978 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 05:17:50,979 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 05:17:50,982 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 05:17:50,983 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 05:17:50,983 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 05:17:50,983 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 05:17:50,983 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 05:17:50,984 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 05:17:50,984 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 05:17:50,984 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 05:17:50,984 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 05:17:50,985 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 05:17:50,985 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 05:17:50,985 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 05:17:50,985 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 05:17:50,985 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 05:17:50,985 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 05:17:50,986 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 05:17:50,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 05:17:50,986 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 05:17:50,987 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 05:17:50,988 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 05:17:50,988 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 05:17:50,988 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d54cda1e1849769fc331dfdba9fcfb2e9b4fcf52bd0d43d6f8a699ed6598582 [2024-11-10 05:17:51,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 05:17:51,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 05:17:51,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 05:17:51,333 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 05:17:51,334 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 05:17:51,335 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-50.i [2024-11-10 05:17:52,868 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 05:17:53,123 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 05:17:53,125 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-50.i [2024-11-10 05:17:53,138 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/608f36485/acf2ab9a5e8a4378a250725b5414a702/FLAG7164dc77c [2024-11-10 05:17:53,157 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/608f36485/acf2ab9a5e8a4378a250725b5414a702 [2024-11-10 05:17:53,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 05:17:53,162 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 05:17:53,165 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 05:17:53,165 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 05:17:53,171 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 05:17:53,172 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:17:53" (1/1) ... [2024-11-10 05:17:53,173 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e11c823 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:17:53, skipping insertion in model container [2024-11-10 05:17:53,173 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:17:53" (1/1) ... [2024-11-10 05:17:53,210 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 05:17:53,445 WARN L250 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-pe-co_file-50.i[919,932] [2024-11-10 05:17:53,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 05:17:53,542 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 05:17:53,553 WARN L250 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-pe-co_file-50.i[919,932] [2024-11-10 05:17:53,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 05:17:53,631 INFO L204 MainTranslator]: Completed translation [2024-11-10 05:17:53,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:17:53 WrapperNode [2024-11-10 05:17:53,635 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 05:17:53,636 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 05:17:53,637 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 05:17:53,637 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 05:17:53,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:17:53" (1/1) ... [2024-11-10 05:17:53,664 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:17:53" (1/1) ... [2024-11-10 05:17:53,706 INFO L138 Inliner]: procedures = 26, calls = 48, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 243 [2024-11-10 05:17:53,707 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 05:17:53,708 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 05:17:53,708 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 05:17:53,708 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 05:17:53,718 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:17:53" (1/1) ... [2024-11-10 05:17:53,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:17:53" (1/1) ... [2024-11-10 05:17:53,723 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:17:53" (1/1) ... [2024-11-10 05:17:53,749 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 05:17:53,750 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:17:53" (1/1) ... [2024-11-10 05:17:53,750 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:17:53" (1/1) ... [2024-11-10 05:17:53,770 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:17:53" (1/1) ... [2024-11-10 05:17:53,777 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:17:53" (1/1) ... [2024-11-10 05:17:53,785 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:17:53" (1/1) ... [2024-11-10 05:17:53,792 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:17:53" (1/1) ... [2024-11-10 05:17:53,801 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 05:17:53,802 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 05:17:53,803 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 05:17:53,803 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 05:17:53,805 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:17:53" (1/1) ... [2024-11-10 05:17:53,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 05:17:53,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 05:17:53,840 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 05:17:53,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 05:17:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 05:17:53,879 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 05:17:53,880 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 05:17:53,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 05:17:53,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 05:17:53,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 05:17:53,972 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 05:17:53,974 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 05:17:54,516 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-10 05:17:54,518 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 05:17:54,547 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 05:17:54,548 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-10 05:17:54,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:17:54 BoogieIcfgContainer [2024-11-10 05:17:54,549 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 05:17:54,551 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 05:17:54,552 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 05:17:54,555 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 05:17:54,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:17:53" (1/3) ... [2024-11-10 05:17:54,557 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@242c1989 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:17:54, skipping insertion in model container [2024-11-10 05:17:54,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:17:53" (2/3) ... [2024-11-10 05:17:54,558 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@242c1989 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:17:54, skipping insertion in model container [2024-11-10 05:17:54,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:17:54" (3/3) ... [2024-11-10 05:17:54,564 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-50.i [2024-11-10 05:17:54,581 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 05:17:54,581 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 05:17:54,644 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 05:17:54,650 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;@3fea963d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 05:17:54,650 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 05:17:54,655 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 73 states have (on average 1.36986301369863) internal successors, (100), 74 states have internal predecessors, (100), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-10 05:17:54,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-10 05:17:54,669 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:17:54,670 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:17:54,671 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:17:54,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:17:54,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1732112843, now seen corresponding path program 1 times [2024-11-10 05:17:54,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:17:54,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329238005] [2024-11-10 05:17:54,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:17:54,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:17:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:17:55,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:17:55,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:17:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:17:55,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:17:55,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 05:17:55,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 05:17:55,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 05:17:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 05:17:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 05:17:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 05:17:55,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 05:17:55,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 05:17:55,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 05:17:55,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 05:17:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 05:17:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 05:17:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 05:17:55,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 05:17:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 05:17:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 05:17:55,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 05:17:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 05:17:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 05:17:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 05:17:55,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 05:17:55,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 05:17:55,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 05:17:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 05:17:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 05:17:55,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 05:17:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 05:17:55,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 05:17:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 05:17:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-10 05:17:55,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,338 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-10 05:17:55,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:17:55,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329238005] [2024-11-10 05:17:55,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329238005] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:17:55,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:17:55,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 05:17:55,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582485812] [2024-11-10 05:17:55,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:17:55,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 05:17:55,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:17:55,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 05:17:55,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 05:17:55,380 INFO L87 Difference]: Start difference. First operand has 111 states, 73 states have (on average 1.36986301369863) internal successors, (100), 74 states have internal predecessors, (100), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-10 05:17:55,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:17:55,430 INFO L93 Difference]: Finished difference Result 213 states and 367 transitions. [2024-11-10 05:17:55,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 05:17:55,434 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 2 states have call successors, (35) Word has length 228 [2024-11-10 05:17:55,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:17:55,442 INFO L225 Difference]: With dead ends: 213 [2024-11-10 05:17:55,443 INFO L226 Difference]: Without dead ends: 105 [2024-11-10 05:17:55,446 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 05:17:55,449 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 05:17:55,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 157 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 05:17:55,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-11-10 05:17:55,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2024-11-10 05:17:55,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 68 states have (on average 1.3088235294117647) internal successors, (89), 68 states have internal predecessors, (89), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-10 05:17:55,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 159 transitions. [2024-11-10 05:17:55,523 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 159 transitions. Word has length 228 [2024-11-10 05:17:55,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:17:55,524 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 159 transitions. [2024-11-10 05:17:55,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 2 states have call successors, (35) [2024-11-10 05:17:55,525 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 159 transitions. [2024-11-10 05:17:55,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-10 05:17:55,533 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:17:55,534 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:17:55,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 05:17:55,534 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:17:55,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:17:55,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1871621340, now seen corresponding path program 1 times [2024-11-10 05:17:55,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:17:55,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036143774] [2024-11-10 05:17:55,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:17:55,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:17:55,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:17:55,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:17:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:17:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:17:55,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:17:55,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 05:17:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 05:17:55,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 05:17:55,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 05:17:55,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 05:17:55,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 05:17:55,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 05:17:55,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 05:17:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 05:17:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 05:17:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 05:17:55,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 05:17:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 05:17:55,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 05:17:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 05:17:55,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 05:17:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 05:17:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 05:17:55,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 05:17:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 05:17:55,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 05:17:55,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 05:17:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 05:17:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 05:17:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 05:17:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 05:17:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 05:17:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 05:17:55,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 05:17:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:55,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-10 05:17:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,001 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-10 05:17:56,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:17:56,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036143774] [2024-11-10 05:17:56,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036143774] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:17:56,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:17:56,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 05:17:56,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487537739] [2024-11-10 05:17:56,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:17:56,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 05:17:56,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:17:56,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 05:17:56,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 05:17:56,006 INFO L87 Difference]: Start difference. First operand 105 states and 159 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-10 05:17:56,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:17:56,090 INFO L93 Difference]: Finished difference Result 308 states and 469 transitions. [2024-11-10 05:17:56,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 05:17:56,094 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 228 [2024-11-10 05:17:56,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:17:56,101 INFO L225 Difference]: With dead ends: 308 [2024-11-10 05:17:56,102 INFO L226 Difference]: Without dead ends: 206 [2024-11-10 05:17:56,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 05:17:56,104 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 147 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 05:17:56,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 301 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 05:17:56,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-11-10 05:17:56,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 115. [2024-11-10 05:17:56,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 78 states have (on average 1.3333333333333333) internal successors, (104), 78 states have internal predecessors, (104), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-10 05:17:56,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 174 transitions. [2024-11-10 05:17:56,140 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 174 transitions. Word has length 228 [2024-11-10 05:17:56,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:17:56,142 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 174 transitions. [2024-11-10 05:17:56,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-10 05:17:56,142 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 174 transitions. [2024-11-10 05:17:56,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2024-11-10 05:17:56,152 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:17:56,153 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:17:56,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 05:17:56,153 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:17:56,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:17:56,154 INFO L85 PathProgramCache]: Analyzing trace with hash -364069531, now seen corresponding path program 1 times [2024-11-10 05:17:56,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:17:56,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165807512] [2024-11-10 05:17:56,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:17:56,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:17:56,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:17:56,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:17:56,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:17:56,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:17:56,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:17:56,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 05:17:56,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 05:17:56,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 05:17:56,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 05:17:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 05:17:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 05:17:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 05:17:56,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 05:17:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 05:17:56,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 05:17:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 05:17:56,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 05:17:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 05:17:56,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 05:17:56,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 05:17:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 05:17:56,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 05:17:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 05:17:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 05:17:56,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 05:17:56,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 05:17:56,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 05:17:56,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 05:17:56,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 05:17:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 05:17:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 05:17:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 05:17:56,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 05:17:56,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 05:17:56,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-10 05:17:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,474 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-10 05:17:56,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:17:56,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165807512] [2024-11-10 05:17:56,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165807512] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:17:56,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:17:56,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 05:17:56,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928141298] [2024-11-10 05:17:56,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:17:56,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 05:17:56,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:17:56,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 05:17:56,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 05:17:56,482 INFO L87 Difference]: Start difference. First operand 115 states and 174 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-10 05:17:56,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:17:56,520 INFO L93 Difference]: Finished difference Result 228 states and 347 transitions. [2024-11-10 05:17:56,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 05:17:56,522 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 228 [2024-11-10 05:17:56,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:17:56,524 INFO L225 Difference]: With dead ends: 228 [2024-11-10 05:17:56,525 INFO L226 Difference]: Without dead ends: 116 [2024-11-10 05:17:56,526 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 05:17:56,527 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 0 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 05:17:56,527 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 305 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 05:17:56,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-10 05:17:56,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-11-10 05:17:56,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 79 states have (on average 1.3291139240506329) internal successors, (105), 79 states have internal predecessors, (105), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-10 05:17:56,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 175 transitions. [2024-11-10 05:17:56,540 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 175 transitions. Word has length 228 [2024-11-10 05:17:56,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:17:56,541 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 175 transitions. [2024-11-10 05:17:56,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-10 05:17:56,542 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 175 transitions. [2024-11-10 05:17:56,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-11-10 05:17:56,545 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:17:56,545 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:17:56,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 05:17:56,546 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:17:56,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:17:56,546 INFO L85 PathProgramCache]: Analyzing trace with hash 741779520, now seen corresponding path program 1 times [2024-11-10 05:17:56,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:17:56,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818496906] [2024-11-10 05:17:56,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:17:56,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:17:56,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:17:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:17:56,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:17:56,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:17:56,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:17:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 05:17:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 05:17:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 05:17:56,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 05:17:56,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 05:17:56,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 05:17:56,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 05:17:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 05:17:56,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 05:17:56,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 05:17:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 05:17:56,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 05:17:56,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 05:17:56,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 05:17:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 05:17:56,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 05:17:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 05:17:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 05:17:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 05:17:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 05:17:56,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 05:17:56,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 05:17:56,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 05:17:56,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 05:17:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 05:17:56,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 05:17:56,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 05:17:56,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 05:17:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 05:17:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-10 05:17:56,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:56,866 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-10 05:17:56,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:17:56,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818496906] [2024-11-10 05:17:56,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818496906] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:17:56,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:17:56,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 05:17:56,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262000929] [2024-11-10 05:17:56,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:17:56,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 05:17:56,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:17:56,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 05:17:56,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 05:17:56,871 INFO L87 Difference]: Start difference. First operand 116 states and 175 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-10 05:17:56,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:17:56,918 INFO L93 Difference]: Finished difference Result 296 states and 451 transitions. [2024-11-10 05:17:56,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 05:17:56,919 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 229 [2024-11-10 05:17:56,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:17:56,923 INFO L225 Difference]: With dead ends: 296 [2024-11-10 05:17:56,925 INFO L226 Difference]: Without dead ends: 183 [2024-11-10 05:17:56,926 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 05:17:56,927 INFO L432 NwaCegarLoop]: 251 mSDtfsCounter, 136 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 05:17:56,930 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 355 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 05:17:56,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-10 05:17:56,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 116. [2024-11-10 05:17:56,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 79 states have (on average 1.3164556962025316) internal successors, (104), 79 states have internal predecessors, (104), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-10 05:17:56,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 174 transitions. [2024-11-10 05:17:56,944 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 174 transitions. Word has length 229 [2024-11-10 05:17:56,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:17:56,945 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 174 transitions. [2024-11-10 05:17:56,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-10 05:17:56,945 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 174 transitions. [2024-11-10 05:17:56,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-11-10 05:17:56,948 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:17:56,948 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:17:56,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 05:17:56,948 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:17:56,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:17:56,949 INFO L85 PathProgramCache]: Analyzing trace with hash 770408671, now seen corresponding path program 1 times [2024-11-10 05:17:56,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:17:56,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348644405] [2024-11-10 05:17:56,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:17:56,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:17:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:57,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:17:57,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:57,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:17:57,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:57,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:17:57,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:57,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:17:57,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:57,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:17:57,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:57,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 05:17:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:57,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 05:17:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:57,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 05:17:57,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:57,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 05:17:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:57,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 05:17:57,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:57,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 05:17:57,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:57,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 05:17:57,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:57,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 05:17:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:57,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 05:17:57,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:57,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 05:17:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:57,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 05:17:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:57,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 05:17:57,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:57,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 05:17:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:57,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 05:17:57,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:57,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 05:17:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:57,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 05:17:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:57,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 05:17:57,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:57,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 05:17:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:57,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 05:17:57,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:57,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 05:17:57,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:57,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 05:17:57,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:57,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 05:17:57,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:57,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 05:17:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:57,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 05:17:57,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:57,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 05:17:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:57,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 05:17:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:57,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 05:17:57,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:57,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 05:17:57,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:57,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 05:17:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:57,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-10 05:17:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:57,201 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-10 05:17:57,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:17:57,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348644405] [2024-11-10 05:17:57,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348644405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:17:57,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:17:57,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 05:17:57,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148133357] [2024-11-10 05:17:57,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:17:57,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 05:17:57,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:17:57,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 05:17:57,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 05:17:57,205 INFO L87 Difference]: Start difference. First operand 116 states and 174 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-10 05:17:57,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:17:57,435 INFO L93 Difference]: Finished difference Result 321 states and 483 transitions. [2024-11-10 05:17:57,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 05:17:57,436 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 229 [2024-11-10 05:17:57,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:17:57,438 INFO L225 Difference]: With dead ends: 321 [2024-11-10 05:17:57,438 INFO L226 Difference]: Without dead ends: 208 [2024-11-10 05:17:57,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 05:17:57,442 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 150 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 05:17:57,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 355 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 05:17:57,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-11-10 05:17:57,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 116. [2024-11-10 05:17:57,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 79 states have (on average 1.3037974683544304) internal successors, (103), 79 states have internal predecessors, (103), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-10 05:17:57,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 173 transitions. [2024-11-10 05:17:57,467 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 173 transitions. Word has length 229 [2024-11-10 05:17:57,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:17:57,468 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 173 transitions. [2024-11-10 05:17:57,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-10 05:17:57,469 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 173 transitions. [2024-11-10 05:17:57,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-11-10 05:17:57,471 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:17:57,472 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:17:57,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 05:17:57,473 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:17:57,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:17:57,473 INFO L85 PathProgramCache]: Analyzing trace with hash 361584446, now seen corresponding path program 1 times [2024-11-10 05:17:57,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:17:57,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874675678] [2024-11-10 05:17:57,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:17:57,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:17:57,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:59,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:17:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:59,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:17:59,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:59,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:17:59,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:59,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:17:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:59,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:17:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:59,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 05:17:59,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:59,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 05:17:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:59,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 05:17:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:59,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 05:17:59,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:59,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 05:17:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:59,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 05:17:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:59,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 05:17:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:59,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 05:17:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:59,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 05:17:59,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:59,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 05:17:59,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:59,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 05:17:59,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:59,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 05:17:59,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:59,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 05:17:59,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:59,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 05:17:59,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:59,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 05:17:59,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:59,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 05:17:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:59,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 05:17:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:59,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 05:17:59,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:59,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 05:17:59,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:59,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 05:17:59,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:59,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 05:17:59,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:59,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 05:17:59,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:59,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 05:17:59,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:59,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 05:17:59,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:59,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 05:17:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:59,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 05:17:59,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:59,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 05:17:59,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:59,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 05:17:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:59,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 05:17:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:59,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-10 05:17:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:17:59,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 75 proven. 123 refuted. 0 times theorem prover too weak. 2182 trivial. 0 not checked. [2024-11-10 05:17:59,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:17:59,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874675678] [2024-11-10 05:17:59,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874675678] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 05:17:59,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040451349] [2024-11-10 05:17:59,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:17:59,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 05:17:59,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 05:17:59,822 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 05:17:59,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 05:17:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:00,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-10 05:18:00,015 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 05:18:00,772 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 1281 proven. 162 refuted. 0 times theorem prover too weak. 937 trivial. 0 not checked. [2024-11-10 05:18:00,772 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 05:18:01,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 105 proven. 96 refuted. 0 times theorem prover too weak. 2179 trivial. 0 not checked. [2024-11-10 05:18:01,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040451349] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 05:18:01,813 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 05:18:01,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 12] total 29 [2024-11-10 05:18:01,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573289770] [2024-11-10 05:18:01,813 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 05:18:01,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-10 05:18:01,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:18:01,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-10 05:18:01,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=709, Unknown=0, NotChecked=0, Total=812 [2024-11-10 05:18:01,820 INFO L87 Difference]: Start difference. First operand 116 states and 173 transitions. Second operand has 29 states, 28 states have (on average 4.571428571428571) internal successors, (128), 29 states have internal predecessors, (128), 9 states have call successors, (80), 3 states have call predecessors, (80), 7 states have return successors, (82), 8 states have call predecessors, (82), 9 states have call successors, (82) [2024-11-10 05:18:05,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:18:05,141 INFO L93 Difference]: Finished difference Result 422 states and 597 transitions. [2024-11-10 05:18:05,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-10 05:18:05,142 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 4.571428571428571) internal successors, (128), 29 states have internal predecessors, (128), 9 states have call successors, (80), 3 states have call predecessors, (80), 7 states have return successors, (82), 8 states have call predecessors, (82), 9 states have call successors, (82) Word has length 229 [2024-11-10 05:18:05,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:18:05,145 INFO L225 Difference]: With dead ends: 422 [2024-11-10 05:18:05,147 INFO L226 Difference]: Without dead ends: 309 [2024-11-10 05:18:05,149 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 594 GetRequests, 520 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1508 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1231, Invalid=4469, Unknown=0, NotChecked=0, Total=5700 [2024-11-10 05:18:05,151 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 1021 mSDsluCounter, 996 mSDsCounter, 0 mSdLazyCounter, 1554 mSolverCounterSat, 595 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1021 SdHoareTripleChecker+Valid, 1166 SdHoareTripleChecker+Invalid, 2149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 595 IncrementalHoareTripleChecker+Valid, 1554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-10 05:18:05,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1021 Valid, 1166 Invalid, 2149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [595 Valid, 1554 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-10 05:18:05,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2024-11-10 05:18:05,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 276. [2024-11-10 05:18:05,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 178 states have (on average 1.2303370786516854) internal successors, (219), 180 states have internal predecessors, (219), 86 states have call successors, (86), 11 states have call predecessors, (86), 11 states have return successors, (86), 84 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-10 05:18:05,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 391 transitions. [2024-11-10 05:18:05,212 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 391 transitions. Word has length 229 [2024-11-10 05:18:05,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:18:05,216 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 391 transitions. [2024-11-10 05:18:05,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 4.571428571428571) internal successors, (128), 29 states have internal predecessors, (128), 9 states have call successors, (80), 3 states have call predecessors, (80), 7 states have return successors, (82), 8 states have call predecessors, (82), 9 states have call successors, (82) [2024-11-10 05:18:05,216 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 391 transitions. [2024-11-10 05:18:05,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-11-10 05:18:05,219 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:18:05,220 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:18:05,240 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 05:18:05,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-10 05:18:05,425 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:18:05,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:18:05,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1213936095, now seen corresponding path program 1 times [2024-11-10 05:18:05,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:18:05,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986720521] [2024-11-10 05:18:05,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:18:05,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:18:05,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:05,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:18:05,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:05,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:18:05,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:05,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:18:05,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:05,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:18:05,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:05,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:18:05,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:05,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 05:18:05,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:05,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 05:18:05,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:05,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 05:18:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:05,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 05:18:05,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:05,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 05:18:05,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:05,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 05:18:05,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:05,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 05:18:05,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:05,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 05:18:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:05,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 05:18:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:05,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 05:18:05,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:05,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 05:18:05,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:05,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 05:18:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:05,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 05:18:05,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:05,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 05:18:05,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:05,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 05:18:05,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:05,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 05:18:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:05,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 05:18:05,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:05,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 05:18:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:05,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 05:18:05,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:05,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 05:18:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:05,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 05:18:05,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:05,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 05:18:05,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:05,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 05:18:05,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:05,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 05:18:05,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:05,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 05:18:05,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:05,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 05:18:05,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:05,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 05:18:05,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:05,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 05:18:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:05,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 05:18:05,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:05,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-10 05:18:05,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:05,667 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-10 05:18:05,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:18:05,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986720521] [2024-11-10 05:18:05,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986720521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:18:05,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:18:05,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 05:18:05,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203218268] [2024-11-10 05:18:05,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:18:05,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 05:18:05,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:18:05,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 05:18:05,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 05:18:05,672 INFO L87 Difference]: Start difference. First operand 276 states and 391 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-10 05:18:05,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:18:05,759 INFO L93 Difference]: Finished difference Result 718 states and 1018 transitions. [2024-11-10 05:18:05,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 05:18:05,760 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 229 [2024-11-10 05:18:05,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:18:05,766 INFO L225 Difference]: With dead ends: 718 [2024-11-10 05:18:05,766 INFO L226 Difference]: Without dead ends: 480 [2024-11-10 05:18:05,768 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 05:18:05,769 INFO L432 NwaCegarLoop]: 264 mSDtfsCounter, 129 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 05:18:05,770 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 668 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 05:18:05,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2024-11-10 05:18:05,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 302. [2024-11-10 05:18:05,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 204 states have (on average 1.2696078431372548) internal successors, (259), 206 states have internal predecessors, (259), 86 states have call successors, (86), 11 states have call predecessors, (86), 11 states have return successors, (86), 84 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-10 05:18:05,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 431 transitions. [2024-11-10 05:18:05,827 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 431 transitions. Word has length 229 [2024-11-10 05:18:05,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:18:05,828 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 431 transitions. [2024-11-10 05:18:05,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-10 05:18:05,829 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 431 transitions. [2024-11-10 05:18:05,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-11-10 05:18:05,832 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:18:05,833 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:18:05,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 05:18:05,833 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:18:05,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:18:05,834 INFO L85 PathProgramCache]: Analyzing trace with hash 703401918, now seen corresponding path program 1 times [2024-11-10 05:18:05,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:18:05,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356847689] [2024-11-10 05:18:05,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:18:05,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:18:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:05,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:18:05,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:05,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:18:05,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:06,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:18:06,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:06,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:18:06,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:06,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:18:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:06,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 05:18:06,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:06,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 05:18:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:06,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 05:18:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:06,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 05:18:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:06,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 05:18:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:06,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 05:18:06,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:06,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 05:18:06,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:06,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 05:18:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:06,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 05:18:06,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:06,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 05:18:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:06,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 05:18:06,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:06,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 05:18:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:06,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 05:18:06,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:06,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 05:18:06,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:06,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 05:18:06,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:06,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 05:18:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:06,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 05:18:06,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:06,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 05:18:06,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:06,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 05:18:06,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:06,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 05:18:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:06,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 05:18:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:06,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 05:18:06,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:06,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 05:18:06,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:06,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 05:18:06,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:06,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 05:18:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:06,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 05:18:06,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:06,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 05:18:06,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:06,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 05:18:06,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:06,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 05:18:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:06,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-10 05:18:06,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:06,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2024-11-10 05:18:06,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:18:06,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356847689] [2024-11-10 05:18:06,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356847689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:18:06,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:18:06,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 05:18:06,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058461752] [2024-11-10 05:18:06,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:18:06,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 05:18:06,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:18:06,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 05:18:06,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 05:18:06,078 INFO L87 Difference]: Start difference. First operand 302 states and 431 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-10 05:18:06,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:18:06,297 INFO L93 Difference]: Finished difference Result 566 states and 810 transitions. [2024-11-10 05:18:06,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 05:18:06,298 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) Word has length 229 [2024-11-10 05:18:06,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:18:06,301 INFO L225 Difference]: With dead ends: 566 [2024-11-10 05:18:06,301 INFO L226 Difference]: Without dead ends: 302 [2024-11-10 05:18:06,302 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 05:18:06,304 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 151 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 05:18:06,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 215 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 05:18:06,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-11-10 05:18:06,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 302. [2024-11-10 05:18:06,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 204 states have (on average 1.2598039215686274) internal successors, (257), 206 states have internal predecessors, (257), 86 states have call successors, (86), 11 states have call predecessors, (86), 11 states have return successors, (86), 84 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-10 05:18:06,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 429 transitions. [2024-11-10 05:18:06,351 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 429 transitions. Word has length 229 [2024-11-10 05:18:06,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:18:06,352 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 429 transitions. [2024-11-10 05:18:06,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 1 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-10 05:18:06,352 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 429 transitions. [2024-11-10 05:18:06,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2024-11-10 05:18:06,354 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:18:06,354 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:18:06,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 05:18:06,355 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:18:06,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:18:06,355 INFO L85 PathProgramCache]: Analyzing trace with hash 294577693, now seen corresponding path program 1 times [2024-11-10 05:18:06,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:18:06,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455619349] [2024-11-10 05:18:06,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:18:06,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:18:06,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:08,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:18:08,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:08,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:18:08,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:08,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 05:18:08,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:08,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:18:08,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:08,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 05:18:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:08,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 05:18:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:08,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 05:18:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:08,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 05:18:08,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:08,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 05:18:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:08,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 05:18:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:08,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 05:18:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:08,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 05:18:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:08,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 05:18:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:08,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 05:18:08,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:08,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 05:18:08,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:08,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 05:18:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:08,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 05:18:08,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:08,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 05:18:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:08,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 05:18:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:08,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 05:18:08,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:08,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 05:18:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:08,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 05:18:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:08,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-10 05:18:08,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:08,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 05:18:08,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:08,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 05:18:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:08,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 05:18:08,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:08,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 05:18:08,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:08,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 05:18:08,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:08,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 05:18:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:08,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-11-10 05:18:08,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:08,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 05:18:08,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:08,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-10 05:18:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:08,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 05:18:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:08,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-11-10 05:18:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:08,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-11-10 05:18:08,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:08,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 75 proven. 123 refuted. 0 times theorem prover too weak. 2182 trivial. 0 not checked. [2024-11-10 05:18:08,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:18:08,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455619349] [2024-11-10 05:18:08,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455619349] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 05:18:08,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889083075] [2024-11-10 05:18:08,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:18:08,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 05:18:08,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 05:18:08,483 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 05:18:08,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 05:18:08,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:18:08,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-10 05:18:08,752 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 05:18:10,814 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 840 proven. 156 refuted. 0 times theorem prover too weak. 1384 trivial. 0 not checked. [2024-11-10 05:18:10,814 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 05:18:12,139 INFO L134 CoverageAnalysis]: Checked inductivity of 2380 backedges. 42 proven. 159 refuted. 0 times theorem prover too weak. 2179 trivial. 0 not checked. [2024-11-10 05:18:12,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889083075] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 05:18:12,140 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 05:18:12,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 12] total 31 [2024-11-10 05:18:12,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119446740] [2024-11-10 05:18:12,141 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 05:18:12,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-10 05:18:12,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:18:12,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-10 05:18:12,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=740, Unknown=0, NotChecked=0, Total=930 [2024-11-10 05:18:12,145 INFO L87 Difference]: Start difference. First operand 302 states and 429 transitions. Second operand has 31 states, 30 states have (on average 4.533333333333333) internal successors, (136), 30 states have internal predecessors, (136), 7 states have call successors, (91), 4 states have call predecessors, (91), 7 states have return successors, (91), 6 states have call predecessors, (91), 7 states have call successors, (91) [2024-11-10 05:18:21,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-10 05:18:33,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-10 05:18:39,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-10 05:18:43,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-10 05:18:47,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-10 05:19:00,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-10 05:19:05,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-10 05:19:08,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-10 05:19:13,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-10 05:19:15,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0]