./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-33.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-pr-cn_file-33.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 10c24f006156daba0f87adc85da926a7bfe9ad7c7769d678846bdde773fb38c1 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 05:37:10,736 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 05:37:10,818 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 05:37:10,823 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 05:37:10,825 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 05:37:10,854 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 05:37:10,857 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 05:37:10,857 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 05:37:10,858 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 05:37:10,860 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 05:37:10,860 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 05:37:10,861 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 05:37:10,861 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 05:37:10,862 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 05:37:10,864 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 05:37:10,864 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 05:37:10,864 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 05:37:10,865 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 05:37:10,865 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 05:37:10,865 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 05:37:10,866 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 05:37:10,870 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 05:37:10,870 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 05:37:10,871 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 05:37:10,871 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 05:37:10,871 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 05:37:10,871 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 05:37:10,872 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 05:37:10,872 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 05:37:10,873 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 05:37:10,873 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 05:37:10,873 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 05:37:10,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 05:37:10,874 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 05:37:10,874 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 05:37:10,874 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 05:37:10,874 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 05:37:10,875 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 05:37:10,875 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 05:37:10,875 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 05:37:10,875 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 05:37:10,877 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 05:37:10,877 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10c24f006156daba0f87adc85da926a7bfe9ad7c7769d678846bdde773fb38c1 [2024-11-10 05:37:11,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 05:37:11,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 05:37:11,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 05:37:11,165 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 05:37:11,165 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 05:37:11,166 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-33.i [2024-11-10 05:37:12,700 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 05:37:12,898 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 05:37:12,898 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-33.i [2024-11-10 05:37:12,915 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8877925c6/44e1b9e9017e4a268580e7a4d75214c0/FLAG4c82a7e31 [2024-11-10 05:37:13,274 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8877925c6/44e1b9e9017e4a268580e7a4d75214c0 [2024-11-10 05:37:13,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 05:37:13,280 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 05:37:13,282 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 05:37:13,282 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 05:37:13,286 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 05:37:13,287 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:37:13" (1/1) ... [2024-11-10 05:37:13,288 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39108a4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:37:13, skipping insertion in model container [2024-11-10 05:37:13,288 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:37:13" (1/1) ... [2024-11-10 05:37:13,318 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 05:37:13,476 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-pr-cn_file-33.i[919,932] [2024-11-10 05:37:13,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 05:37:13,606 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 05:37:13,619 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-pr-cn_file-33.i[919,932] [2024-11-10 05:37:13,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 05:37:13,706 INFO L204 MainTranslator]: Completed translation [2024-11-10 05:37:13,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:37:13 WrapperNode [2024-11-10 05:37:13,707 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 05:37:13,708 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 05:37:13,709 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 05:37:13,709 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 05:37:13,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:37:13" (1/1) ... [2024-11-10 05:37:13,731 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:37:13" (1/1) ... [2024-11-10 05:37:13,821 INFO L138 Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 251 [2024-11-10 05:37:13,821 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 05:37:13,822 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 05:37:13,822 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 05:37:13,822 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 05:37:13,833 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:37:13" (1/1) ... [2024-11-10 05:37:13,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:37:13" (1/1) ... [2024-11-10 05:37:13,838 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:37:13" (1/1) ... [2024-11-10 05:37:13,871 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 05:37:13,871 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:37:13" (1/1) ... [2024-11-10 05:37:13,871 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:37:13" (1/1) ... [2024-11-10 05:37:13,886 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:37:13" (1/1) ... [2024-11-10 05:37:13,887 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:37:13" (1/1) ... [2024-11-10 05:37:13,889 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:37:13" (1/1) ... [2024-11-10 05:37:13,891 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:37:13" (1/1) ... [2024-11-10 05:37:13,900 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 05:37:13,902 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 05:37:13,902 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 05:37:13,902 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 05:37:13,903 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:37:13" (1/1) ... [2024-11-10 05:37:13,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 05:37:13,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 05:37:13,939 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 05:37:13,948 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 05:37:13,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 05:37:13,989 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 05:37:13,990 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 05:37:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 05:37:13,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 05:37:13,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 05:37:14,077 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 05:37:14,079 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 05:37:14,467 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L200: havoc property_#t~ite27#1;havoc property_#t~bitwise26#1; [2024-11-10 05:37:14,520 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-10 05:37:14,520 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 05:37:14,545 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 05:37:14,545 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 05:37:14,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:37:14 BoogieIcfgContainer [2024-11-10 05:37:14,546 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 05:37:14,550 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 05:37:14,550 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 05:37:14,553 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 05:37:14,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:37:13" (1/3) ... [2024-11-10 05:37:14,554 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c1c56c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:37:14, skipping insertion in model container [2024-11-10 05:37:14,554 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:37:13" (2/3) ... [2024-11-10 05:37:14,555 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c1c56c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:37:14, skipping insertion in model container [2024-11-10 05:37:14,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:37:14" (3/3) ... [2024-11-10 05:37:14,557 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-cn_file-33.i [2024-11-10 05:37:14,576 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 05:37:14,577 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 05:37:14,640 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 05:37:14,652 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;@3037d10e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 05:37:14,652 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 05:37:14,658 INFO L276 IsEmpty]: Start isEmpty. Operand has 116 states, 71 states have (on average 1.380281690140845) internal successors, (98), 72 states have internal predecessors, (98), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-10 05:37:14,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-11-10 05:37:14,673 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:37:14,673 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:37:14,674 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:37:14,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:37:14,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1447748071, now seen corresponding path program 1 times [2024-11-10 05:37:14,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:37:14,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510841386] [2024-11-10 05:37:14,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:37:14,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:37:14,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:37:15,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 05:37:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 05:37:15,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 05:37:15,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 05:37:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 05:37:15,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 05:37:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-10 05:37:15,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 05:37:15,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 05:37:15,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 05:37:15,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 05:37:15,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 05:37:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 05:37:15,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:37:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 05:37:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:37:15,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:37:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:37:15,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:37:15,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 05:37:15,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:37:15,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 05:37:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:37:15,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 05:37:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:37:15,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 05:37:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 05:37:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 05:37:15,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 05:37:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 05:37:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 05:37:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 05:37:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-10 05:37:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 05:37:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-10 05:37:15,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 05:37:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-10 05:37:15,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 05:37:15,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-10 05:37:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-10 05:37:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-10 05:37:15,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:15,309 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-10 05:37:15,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:37:15,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510841386] [2024-11-10 05:37:15,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510841386] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:37:15,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:37:15,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 05:37:15,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535938209] [2024-11-10 05:37:15,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:37:15,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 05:37:15,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:37:15,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 05:37:15,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 05:37:15,346 INFO L87 Difference]: Start difference. First operand has 116 states, 71 states have (on average 1.380281690140845) internal successors, (98), 72 states have internal predecessors, (98), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-10 05:37:15,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:37:15,405 INFO L93 Difference]: Finished difference Result 222 states and 395 transitions. [2024-11-10 05:37:15,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 05:37:15,410 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) Word has length 260 [2024-11-10 05:37:15,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:37:15,424 INFO L225 Difference]: With dead ends: 222 [2024-11-10 05:37:15,425 INFO L226 Difference]: Without dead ends: 109 [2024-11-10 05:37:15,431 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 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 05:37:15,437 INFO L432 NwaCegarLoop]: 165 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, 165 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 05:37:15,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 165 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 05:37:15,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-10 05:37:15,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2024-11-10 05:37:15,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 65 states have internal predecessors, (83), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-10 05:37:15,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 167 transitions. [2024-11-10 05:37:15,495 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 167 transitions. Word has length 260 [2024-11-10 05:37:15,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:37:15,499 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 167 transitions. [2024-11-10 05:37:15,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-10 05:37:15,500 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 167 transitions. [2024-11-10 05:37:15,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-11-10 05:37:15,506 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:37:15,506 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:37:15,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 05:37:15,507 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:37:15,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:37:15,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1027328279, now seen corresponding path program 1 times [2024-11-10 05:37:15,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:37:15,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322642751] [2024-11-10 05:37:15,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:37:15,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:37:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:37:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 05:37:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 05:37:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 05:37:16,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 05:37:16,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 05:37:16,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 05:37:16,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-10 05:37:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 05:37:16,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 05:37:16,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 05:37:16,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 05:37:16,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 05:37:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 05:37:16,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:37:16,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 05:37:16,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:37:16,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:37:16,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:37:16,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:37:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 05:37:16,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:37:16,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 05:37:16,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:37:16,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 05:37:16,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:37:16,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 05:37:16,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 05:37:16,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 05:37:16,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 05:37:16,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 05:37:16,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 05:37:16,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 05:37:16,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-10 05:37:16,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 05:37:16,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-10 05:37:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 05:37:16,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-10 05:37:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 05:37:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-10 05:37:16,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-10 05:37:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-10 05:37:16,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:16,933 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-10 05:37:16,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:37:16,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322642751] [2024-11-10 05:37:16,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322642751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:37:16,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:37:16,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 05:37:16,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150095299] [2024-11-10 05:37:16,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:37:16,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 05:37:16,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:37:16,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 05:37:16,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 05:37:16,940 INFO L87 Difference]: Start difference. First operand 109 states and 167 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-10 05:37:17,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:37:17,378 INFO L93 Difference]: Finished difference Result 328 states and 506 transitions. [2024-11-10 05:37:17,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 05:37:17,378 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 260 [2024-11-10 05:37:17,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:37:17,386 INFO L225 Difference]: With dead ends: 328 [2024-11-10 05:37:17,387 INFO L226 Difference]: Without dead ends: 222 [2024-11-10 05:37:17,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 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 05:37:17,392 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 103 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 05:37:17,392 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 439 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 05:37:17,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-11-10 05:37:17,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 205. [2024-11-10 05:37:17,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 118 states have (on average 1.271186440677966) internal successors, (150), 118 states have internal predecessors, (150), 84 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-10 05:37:17,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 318 transitions. [2024-11-10 05:37:17,458 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 318 transitions. Word has length 260 [2024-11-10 05:37:17,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:37:17,460 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 318 transitions. [2024-11-10 05:37:17,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-10 05:37:17,461 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 318 transitions. [2024-11-10 05:37:17,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-11-10 05:37:17,469 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:37:17,469 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:37:17,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 05:37:17,472 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:37:17,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:37:17,473 INFO L85 PathProgramCache]: Analyzing trace with hash -619321765, now seen corresponding path program 1 times [2024-11-10 05:37:17,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:37:17,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801350357] [2024-11-10 05:37:17,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:37:17,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:37:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:37:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 05:37:17,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 05:37:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 05:37:17,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 05:37:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 05:37:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 05:37:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-10 05:37:17,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 05:37:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 05:37:17,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 05:37:17,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 05:37:17,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 05:37:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 05:37:17,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:37:17,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 05:37:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:37:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:37:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:37:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:37:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 05:37:17,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:37:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 05:37:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:37:17,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 05:37:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:37:17,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 05:37:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 05:37:17,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 05:37:17,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 05:37:17,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 05:37:17,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 05:37:17,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 05:37:17,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-10 05:37:17,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 05:37:17,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-10 05:37:17,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 05:37:17,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-10 05:37:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 05:37:17,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-10 05:37:17,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-10 05:37:17,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-10 05:37:17,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:17,969 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-10 05:37:17,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:37:17,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801350357] [2024-11-10 05:37:17,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801350357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:37:17,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:37:17,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 05:37:17,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612191920] [2024-11-10 05:37:17,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:37:17,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 05:37:17,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:37:17,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 05:37:17,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 05:37:17,973 INFO L87 Difference]: Start difference. First operand 205 states and 318 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-10 05:37:18,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:37:18,253 INFO L93 Difference]: Finished difference Result 346 states and 531 transitions. [2024-11-10 05:37:18,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 05:37:18,253 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 261 [2024-11-10 05:37:18,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:37:18,257 INFO L225 Difference]: With dead ends: 346 [2024-11-10 05:37:18,257 INFO L226 Difference]: Without dead ends: 217 [2024-11-10 05:37:18,258 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 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 05:37:18,259 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 100 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 05:37:18,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 442 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 05:37:18,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-10 05:37:18,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 206. [2024-11-10 05:37:18,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 119 states have (on average 1.2605042016806722) internal successors, (150), 119 states have internal predecessors, (150), 84 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-10 05:37:18,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 318 transitions. [2024-11-10 05:37:18,327 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 318 transitions. Word has length 261 [2024-11-10 05:37:18,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:37:18,329 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 318 transitions. [2024-11-10 05:37:18,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-10 05:37:18,330 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 318 transitions. [2024-11-10 05:37:18,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-11-10 05:37:18,336 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:37:18,337 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:37:18,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 05:37:18,337 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:37:18,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:37:18,338 INFO L85 PathProgramCache]: Analyzing trace with hash 995229906, now seen corresponding path program 1 times [2024-11-10 05:37:18,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:37:18,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574720703] [2024-11-10 05:37:18,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:37:18,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:37:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:37:29,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 05:37:29,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 05:37:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 05:37:29,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 05:37:29,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 05:37:29,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 05:37:29,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-10 05:37:29,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 05:37:29,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 05:37:29,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 05:37:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 05:37:29,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 05:37:29,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 05:37:29,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:37:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 05:37:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:37:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:37:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:37:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:37:29,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 05:37:29,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:37:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 05:37:29,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:37:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 05:37:29,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:37:29,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 05:37:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 05:37:29,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 05:37:29,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 05:37:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 05:37:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 05:37:29,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 05:37:29,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-10 05:37:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 05:37:29,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-10 05:37:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 05:37:29,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-10 05:37:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 05:37:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-10 05:37:29,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-10 05:37:29,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-10 05:37:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:29,931 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-10 05:37:29,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:37:29,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574720703] [2024-11-10 05:37:29,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [574720703] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:37:29,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:37:29,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 05:37:29,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892412025] [2024-11-10 05:37:29,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:37:29,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 05:37:29,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:37:29,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 05:37:29,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-10 05:37:29,934 INFO L87 Difference]: Start difference. First operand 206 states and 318 transitions. Second operand has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-10 05:37:32,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:37:32,599 INFO L93 Difference]: Finished difference Result 300 states and 437 transitions. [2024-11-10 05:37:32,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 05:37:32,600 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 262 [2024-11-10 05:37:32,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:37:32,603 INFO L225 Difference]: With dead ends: 300 [2024-11-10 05:37:32,603 INFO L226 Difference]: Without dead ends: 297 [2024-11-10 05:37:32,604 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2024-11-10 05:37:32,605 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 374 mSDsluCounter, 912 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 1057 SdHoareTripleChecker+Invalid, 990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-10 05:37:32,605 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 1057 Invalid, 990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 861 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-10 05:37:32,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2024-11-10 05:37:32,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 230. [2024-11-10 05:37:32,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 143 states have (on average 1.2797202797202798) internal successors, (183), 143 states have internal predecessors, (183), 84 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-10 05:37:32,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 351 transitions. [2024-11-10 05:37:32,631 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 351 transitions. Word has length 262 [2024-11-10 05:37:32,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:37:32,633 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 351 transitions. [2024-11-10 05:37:32,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-10 05:37:32,634 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 351 transitions. [2024-11-10 05:37:32,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-11-10 05:37:32,637 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:37:32,638 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:37:32,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 05:37:32,638 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:37:32,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:37:32,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1946427693, now seen corresponding path program 1 times [2024-11-10 05:37:32,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:37:32,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944194335] [2024-11-10 05:37:32,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:37:32,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:37:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:32,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:37:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:32,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 05:37:32,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:32,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 05:37:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:32,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 05:37:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:32,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 05:37:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:32,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 05:37:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:32,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 05:37:32,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:32,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-10 05:37:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:32,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 05:37:32,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:32,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 05:37:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:32,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 05:37:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:32,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 05:37:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:32,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 05:37:32,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:32,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 05:37:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:32,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:37:32,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:32,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 05:37:32,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:32,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:37:32,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:32,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:37:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:32,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:37:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:32,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:37:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:32,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 05:37:32,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:32,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:37:32,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:32,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 05:37:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:32,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:37:32,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:32,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 05:37:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:32,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:37:32,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:32,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 05:37:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:32,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 05:37:32,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:32,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 05:37:32,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:32,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 05:37:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:32,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 05:37:32,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:32,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 05:37:32,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:33,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 05:37:33,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:33,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-10 05:37:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:33,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 05:37:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:33,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-10 05:37:33,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:33,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 05:37:33,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:33,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-10 05:37:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:33,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 05:37:33,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:33,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-10 05:37:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:33,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-10 05:37:33,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:33,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-10 05:37:33,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:33,026 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 87 proven. 36 refuted. 0 times theorem prover too weak. 3321 trivial. 0 not checked. [2024-11-10 05:37:33,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:37:33,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944194335] [2024-11-10 05:37:33,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944194335] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 05:37:33,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146579965] [2024-11-10 05:37:33,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:37:33,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 05:37:33,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 05:37:33,029 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 05:37:33,030 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 05:37:33,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:37:33,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 05:37:33,203 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 05:37:33,440 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 1491 proven. 36 refuted. 0 times theorem prover too weak. 1917 trivial. 0 not checked. [2024-11-10 05:37:33,440 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 05:37:33,729 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 87 proven. 36 refuted. 0 times theorem prover too weak. 3321 trivial. 0 not checked. [2024-11-10 05:37:33,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2146579965] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 05:37:33,729 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 05:37:33,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-10 05:37:33,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156865769] [2024-11-10 05:37:33,731 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 05:37:33,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 05:37:33,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:37:33,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 05:37:33,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-10 05:37:33,735 INFO L87 Difference]: Start difference. First operand 230 states and 351 transitions. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 3 states have call successors, (66), 2 states have call predecessors, (66), 4 states have return successors, (67), 3 states have call predecessors, (67), 3 states have call successors, (67) [2024-11-10 05:37:33,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:37:33,980 INFO L93 Difference]: Finished difference Result 365 states and 544 transitions. [2024-11-10 05:37:33,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 05:37:33,981 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 3 states have call successors, (66), 2 states have call predecessors, (66), 4 states have return successors, (67), 3 states have call predecessors, (67), 3 states have call successors, (67) Word has length 262 [2024-11-10 05:37:33,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:37:33,983 INFO L225 Difference]: With dead ends: 365 [2024-11-10 05:37:33,983 INFO L226 Difference]: Without dead ends: 242 [2024-11-10 05:37:33,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 613 GetRequests, 604 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-11-10 05:37:33,985 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 86 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 05:37:33,985 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 265 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 05:37:33,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2024-11-10 05:37:34,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 238. [2024-11-10 05:37:34,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 149 states have (on average 1.2483221476510067) internal successors, (186), 149 states have internal predecessors, (186), 84 states have call successors, (84), 4 states have call predecessors, (84), 4 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-10 05:37:34,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 354 transitions. [2024-11-10 05:37:34,017 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 354 transitions. Word has length 262 [2024-11-10 05:37:34,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:37:34,017 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 354 transitions. [2024-11-10 05:37:34,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 3 states have call successors, (66), 2 states have call predecessors, (66), 4 states have return successors, (67), 3 states have call predecessors, (67), 3 states have call successors, (67) [2024-11-10 05:37:34,018 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 354 transitions. [2024-11-10 05:37:34,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-10 05:37:34,021 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:37:34,021 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:37:34,042 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-10 05:37:34,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 05:37:34,222 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:37:34,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:37:34,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1760370512, now seen corresponding path program 1 times [2024-11-10 05:37:34,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:37:34,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596657417] [2024-11-10 05:37:34,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:37:34,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:37:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat