./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-81.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 d402cd14beee6851ca97c58b2a2589220820214ac9c394c1c5bdac6dbc1a1025 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 09:55:16,725 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 09:55:16,822 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 09:55:16,828 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 09:55:16,830 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 09:55:16,863 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 09:55:16,863 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 09:55:16,864 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 09:55:16,865 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 09:55:16,867 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 09:55:16,867 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 09:55:16,867 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 09:55:16,868 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 09:55:16,868 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 09:55:16,869 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 09:55:16,869 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 09:55:16,869 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 09:55:16,870 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 09:55:16,870 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 09:55:16,870 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 09:55:16,871 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 09:55:16,871 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 09:55:16,871 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 09:55:16,872 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 09:55:16,872 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 09:55:16,872 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 09:55:16,873 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 09:55:16,873 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 09:55:16,873 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 09:55:16,874 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 09:55:16,874 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 09:55:16,874 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 09:55:16,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 09:55:16,875 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 09:55:16,875 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 09:55:16,875 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 09:55:16,875 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 09:55:16,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 09:55:16,876 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 09:55:16,876 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 09:55:16,876 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 09:55:16,877 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 09:55:16,877 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d402cd14beee6851ca97c58b2a2589220820214ac9c394c1c5bdac6dbc1a1025 [2024-10-11 09:55:17,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 09:55:17,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 09:55:17,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 09:55:17,170 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 09:55:17,170 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 09:55:17,171 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-81.i [2024-10-11 09:55:18,711 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 09:55:18,946 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 09:55:18,950 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-81.i [2024-10-11 09:55:18,962 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/37218051e/f3ac679f2ce440bba7d9825b484fd234/FLAG2bfe1f08c [2024-10-11 09:55:18,975 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/37218051e/f3ac679f2ce440bba7d9825b484fd234 [2024-10-11 09:55:18,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 09:55:18,980 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 09:55:18,984 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 09:55:18,984 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 09:55:18,990 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 09:55:18,991 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:55:18" (1/1) ... [2024-10-11 09:55:18,992 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44c95899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:55:18, skipping insertion in model container [2024-10-11 09:55:18,992 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:55:18" (1/1) ... [2024-10-11 09:55:19,029 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 09:55:19,244 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-81.i[919,932] [2024-10-11 09:55:19,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 09:55:19,371 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 09:55:19,381 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-81.i[919,932] [2024-10-11 09:55:19,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 09:55:19,455 INFO L204 MainTranslator]: Completed translation [2024-10-11 09:55:19,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:55:19 WrapperNode [2024-10-11 09:55:19,456 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 09:55:19,457 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 09:55:19,458 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 09:55:19,458 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 09:55:19,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:55:19" (1/1) ... [2024-10-11 09:55:19,476 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:55:19" (1/1) ... [2024-10-11 09:55:19,523 INFO L138 Inliner]: procedures = 26, calls = 61, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 302 [2024-10-11 09:55:19,524 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 09:55:19,524 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 09:55:19,525 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 09:55:19,525 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 09:55:19,536 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:55:19" (1/1) ... [2024-10-11 09:55:19,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:55:19" (1/1) ... [2024-10-11 09:55:19,545 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:55:19" (1/1) ... [2024-10-11 09:55:19,567 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 09:55:19,568 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:55:19" (1/1) ... [2024-10-11 09:55:19,568 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:55:19" (1/1) ... [2024-10-11 09:55:19,590 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:55:19" (1/1) ... [2024-10-11 09:55:19,594 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:55:19" (1/1) ... [2024-10-11 09:55:19,604 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:55:19" (1/1) ... [2024-10-11 09:55:19,609 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:55:19" (1/1) ... [2024-10-11 09:55:19,617 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 09:55:19,619 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 09:55:19,620 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 09:55:19,620 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 09:55:19,621 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:55:19" (1/1) ... [2024-10-11 09:55:19,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 09:55:19,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 09:55:19,655 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 09:55:19,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 09:55:19,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 09:55:19,706 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 09:55:19,707 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 09:55:19,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 09:55:19,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 09:55:19,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 09:55:19,826 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 09:55:19,829 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 09:55:20,416 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-10-11 09:55:20,417 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 09:55:20,451 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 09:55:20,451 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 09:55:20,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:55:20 BoogieIcfgContainer [2024-10-11 09:55:20,452 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 09:55:20,454 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 09:55:20,455 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 09:55:20,458 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 09:55:20,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 09:55:18" (1/3) ... [2024-10-11 09:55:20,459 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d4f53cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:55:20, skipping insertion in model container [2024-10-11 09:55:20,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:55:19" (2/3) ... [2024-10-11 09:55:20,460 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d4f53cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:55:20, skipping insertion in model container [2024-10-11 09:55:20,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:55:20" (3/3) ... [2024-10-11 09:55:20,462 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-81.i [2024-10-11 09:55:20,481 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 09:55:20,481 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 09:55:20,547 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 09:55:20,557 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;@7ee87deb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 09:55:20,557 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 09:55:20,564 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 74 states have (on average 1.4594594594594594) internal successors, (108), 75 states have internal predecessors, (108), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-11 09:55:20,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2024-10-11 09:55:20,592 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:55:20,594 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:55:20,595 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:55:20,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:55:20,601 INFO L85 PathProgramCache]: Analyzing trace with hash -799223039, now seen corresponding path program 1 times [2024-10-11 09:55:20,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:55:20,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246452323] [2024-10-11 09:55:20,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:55:20,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:55:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:55:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:55:21,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:55:21,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:55:21,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:55:21,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:55:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:55:21,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:55:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:55:21,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:55:21,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:55:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:55:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:55:21,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:55:21,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:55:21,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:55:21,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:55:21,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:55:21,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:55:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:55:21,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 09:55:21,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:55:21,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 09:55:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:55:21,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 09:55:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:55:21,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:55:21,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:55:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:55:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:55:21,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:55:21,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 09:55:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:55:21,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 09:55:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 09:55:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 09:55:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 09:55:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 09:55:21,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 09:55:21,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 09:55:21,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 09:55:21,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 09:55:21,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 09:55:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 09:55:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 09:55:21,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 09:55:21,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 09:55:21,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 09:55:21,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:21,533 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-11 09:55:21,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:55:21,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246452323] [2024-10-11 09:55:21,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246452323] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:55:21,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:55:21,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 09:55:21,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761821982] [2024-10-11 09:55:21,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:55:21,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 09:55:21,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:55:21,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 09:55:21,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 09:55:21,587 INFO L87 Difference]: Start difference. First operand has 125 states, 74 states have (on average 1.4594594594594594) internal successors, (108), 75 states have internal predecessors, (108), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-10-11 09:55:21,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:55:21,652 INFO L93 Difference]: Finished difference Result 247 states and 454 transitions. [2024-10-11 09:55:21,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 09:55:21,655 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 291 [2024-10-11 09:55:21,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:55:21,662 INFO L225 Difference]: With dead ends: 247 [2024-10-11 09:55:21,663 INFO L226 Difference]: Without dead ends: 123 [2024-10-11 09:55:21,667 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 09:55:21,670 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 09:55:21,672 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 196 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 09:55:21,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-10-11 09:55:21,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-10-11 09:55:21,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 73 states have (on average 1.4109589041095891) internal successors, (103), 73 states have internal predecessors, (103), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-10-11 09:55:21,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 199 transitions. [2024-10-11 09:55:21,736 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 199 transitions. Word has length 291 [2024-10-11 09:55:21,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:55:21,737 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 199 transitions. [2024-10-11 09:55:21,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-10-11 09:55:21,738 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 199 transitions. [2024-10-11 09:55:21,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2024-10-11 09:55:21,743 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:55:21,744 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:55:21,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 09:55:21,744 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:55:21,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:55:21,745 INFO L85 PathProgramCache]: Analyzing trace with hash -873495799, now seen corresponding path program 1 times [2024-10-11 09:55:21,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:55:21,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49185841] [2024-10-11 09:55:21,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:55:21,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:55:22,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:55:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:55:24,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:55:24,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:55:24,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:55:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:55:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:55:24,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:55:24,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:55:24,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:55:24,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:55:24,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:55:24,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:55:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:55:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:55:24,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:55:24,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:55:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:55:24,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:55:24,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:55:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 09:55:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:55:24,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 09:55:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:55:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 09:55:24,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:55:24,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:55:24,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:55:24,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:55:24,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:55:24,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:55:24,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 09:55:24,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:55:24,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 09:55:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 09:55:24,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 09:55:24,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 09:55:24,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 09:55:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 09:55:24,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 09:55:24,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 09:55:24,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 09:55:24,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 09:55:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 09:55:24,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 09:55:24,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 09:55:24,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 09:55:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 09:55:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:24,480 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-11 09:55:24,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:55:24,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49185841] [2024-10-11 09:55:24,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49185841] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:55:24,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:55:24,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 09:55:24,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586744177] [2024-10-11 09:55:24,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:55:24,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 09:55:24,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:55:24,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 09:55:24,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-11 09:55:24,492 INFO L87 Difference]: Start difference. First operand 123 states and 199 transitions. Second operand has 9 states, 8 states have (on average 6.75) internal successors, (54), 9 states have internal predecessors, (54), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-10-11 09:55:26,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:55:26,370 INFO L93 Difference]: Finished difference Result 446 states and 723 transitions. [2024-10-11 09:55:26,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 09:55:26,370 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.75) internal successors, (54), 9 states have internal predecessors, (54), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 291 [2024-10-11 09:55:26,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:55:26,378 INFO L225 Difference]: With dead ends: 446 [2024-10-11 09:55:26,381 INFO L226 Difference]: Without dead ends: 324 [2024-10-11 09:55:26,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2024-10-11 09:55:26,387 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 650 mSDsluCounter, 833 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 650 SdHoareTripleChecker+Valid, 999 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-11 09:55:26,387 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [650 Valid, 999 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-11 09:55:26,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-10-11 09:55:26,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 213. [2024-10-11 09:55:26,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 114 states have (on average 1.3333333333333333) internal successors, (152), 114 states have internal predecessors, (152), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-11 09:55:26,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 344 transitions. [2024-10-11 09:55:26,461 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 344 transitions. Word has length 291 [2024-10-11 09:55:26,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:55:26,464 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 344 transitions. [2024-10-11 09:55:26,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.75) internal successors, (54), 9 states have internal predecessors, (54), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-10-11 09:55:26,464 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 344 transitions. [2024-10-11 09:55:26,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2024-10-11 09:55:26,472 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:55:26,473 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:55:26,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 09:55:26,473 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:55:26,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:55:26,474 INFO L85 PathProgramCache]: Analyzing trace with hash 714852103, now seen corresponding path program 1 times [2024-10-11 09:55:26,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:55:26,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864570675] [2024-10-11 09:55:26,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:55:26,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:55:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:28,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:55:28,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:28,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:55:29,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:55:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:55:29,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:55:29,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:55:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:55:29,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:55:29,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:55:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:55:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:55:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:55:29,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:55:29,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:55:29,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:55:29,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:55:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:55:29,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:55:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:55:29,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:55:29,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 09:55:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:55:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 09:55:29,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:55:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 09:55:29,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:55:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:55:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:55:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:55:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:55:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:55:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 09:55:29,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:55:29,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 09:55:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 09:55:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 09:55:29,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 09:55:29,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 09:55:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 09:55:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 09:55:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 09:55:29,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 09:55:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 09:55:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 09:55:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 09:55:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 09:55:29,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 09:55:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 09:55:29,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:29,292 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-11 09:55:29,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:55:29,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864570675] [2024-10-11 09:55:29,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864570675] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:55:29,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:55:29,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 09:55:29,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462229546] [2024-10-11 09:55:29,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:55:29,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 09:55:29,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:55:29,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 09:55:29,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-10-11 09:55:29,298 INFO L87 Difference]: Start difference. First operand 213 states and 344 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 09:55:30,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:55:30,822 INFO L93 Difference]: Finished difference Result 514 states and 831 transitions. [2024-10-11 09:55:30,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 09:55:30,823 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 291 [2024-10-11 09:55:30,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:55:30,827 INFO L225 Difference]: With dead ends: 514 [2024-10-11 09:55:30,827 INFO L226 Difference]: Without dead ends: 392 [2024-10-11 09:55:30,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=109, Invalid=271, Unknown=0, NotChecked=0, Total=380 [2024-10-11 09:55:30,829 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 1057 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 671 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1057 SdHoareTripleChecker+Valid, 914 SdHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 09:55:30,829 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1057 Valid, 914 Invalid, 819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 671 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 09:55:30,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2024-10-11 09:55:30,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 229. [2024-10-11 09:55:30,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 130 states have (on average 1.376923076923077) internal successors, (179), 130 states have internal predecessors, (179), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-11 09:55:30,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 371 transitions. [2024-10-11 09:55:30,881 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 371 transitions. Word has length 291 [2024-10-11 09:55:30,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:55:30,883 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 371 transitions. [2024-10-11 09:55:30,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 09:55:30,883 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 371 transitions. [2024-10-11 09:55:30,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2024-10-11 09:55:30,888 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:55:30,889 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:55:30,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 09:55:30,889 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:55:30,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:55:30,890 INFO L85 PathProgramCache]: Analyzing trace with hash -306216251, now seen corresponding path program 1 times [2024-10-11 09:55:30,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:55:30,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925843263] [2024-10-11 09:55:30,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:55:30,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:55:31,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:55:47,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:55:47,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:55:47,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:55:47,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:55:47,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:55:47,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:55:47,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:55:47,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:55:47,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:55:47,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:55:47,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:55:47,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:55:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:55:47,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:55:47,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:55:47,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:55:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:55:47,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:55:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:55:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 09:55:47,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:55:47,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 09:55:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:55:47,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 09:55:47,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:55:47,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:55:47,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:55:47,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:55:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:55:47,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:55:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 09:55:47,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:55:47,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 09:55:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 09:55:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 09:55:47,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 09:55:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 09:55:47,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 09:55:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 09:55:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 09:55:47,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 09:55:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 09:55:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 09:55:47,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 09:55:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 09:55:47,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 09:55:47,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 09:55:47,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:47,884 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-11 09:55:47,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:55:47,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925843263] [2024-10-11 09:55:47,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925843263] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:55:47,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:55:47,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 09:55:47,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056946383] [2024-10-11 09:55:47,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:55:47,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 09:55:47,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:55:47,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 09:55:47,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-10-11 09:55:47,887 INFO L87 Difference]: Start difference. First operand 229 states and 371 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 09:55:49,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:55:49,717 INFO L93 Difference]: Finished difference Result 486 states and 787 transitions. [2024-10-11 09:55:49,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 09:55:49,720 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 291 [2024-10-11 09:55:49,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:55:49,724 INFO L225 Difference]: With dead ends: 486 [2024-10-11 09:55:49,725 INFO L226 Difference]: Without dead ends: 364 [2024-10-11 09:55:49,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 99 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-10-11 09:55:49,727 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 426 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-11 09:55:49,727 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [426 Valid, 584 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-11 09:55:49,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-10-11 09:55:49,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 286. [2024-10-11 09:55:49,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 187 states have (on average 1.4759358288770053) internal successors, (276), 187 states have internal predecessors, (276), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-11 09:55:49,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 468 transitions. [2024-10-11 09:55:49,769 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 468 transitions. Word has length 291 [2024-10-11 09:55:49,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:55:49,770 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 468 transitions. [2024-10-11 09:55:49,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 09:55:49,771 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 468 transitions. [2024-10-11 09:55:49,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2024-10-11 09:55:49,775 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:55:49,775 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:55:49,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 09:55:49,775 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:55:49,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:55:49,776 INFO L85 PathProgramCache]: Analyzing trace with hash -893022265, now seen corresponding path program 1 times [2024-10-11 09:55:49,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:55:49,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942649787] [2024-10-11 09:55:49,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:55:49,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:55:49,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:55:50,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:55:50,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:55:50,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:55:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:55:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:55:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:55:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:55:50,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:55:50,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:55:50,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:55:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:55:50,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:55:50,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:55:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:55:50,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:55:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:55:50,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:55:50,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:55:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:55:50,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 09:55:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:55:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 09:55:50,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:55:50,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 09:55:50,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:55:50,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:55:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:55:50,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:55:50,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:55:50,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:55:50,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 09:55:50,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:55:50,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 09:55:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 09:55:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 09:55:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 09:55:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 09:55:50,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 09:55:50,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 09:55:50,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 09:55:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 09:55:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 09:55:50,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 09:55:50,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 09:55:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 09:55:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 09:55:50,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 09:55:50,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:50,221 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-11 09:55:50,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:55:50,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942649787] [2024-10-11 09:55:50,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942649787] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:55:50,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:55:50,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 09:55:50,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617789004] [2024-10-11 09:55:50,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:55:50,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 09:55:50,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:55:50,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 09:55:50,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 09:55:50,226 INFO L87 Difference]: Start difference. First operand 286 states and 468 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, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 09:55:50,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:55:50,321 INFO L93 Difference]: Finished difference Result 497 states and 809 transitions. [2024-10-11 09:55:50,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 09:55:50,322 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, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 291 [2024-10-11 09:55:50,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:55:50,327 INFO L225 Difference]: With dead ends: 497 [2024-10-11 09:55:50,330 INFO L226 Difference]: Without dead ends: 336 [2024-10-11 09:55:50,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 09:55:50,332 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 70 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 09:55:50,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 577 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 09:55:50,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-10-11 09:55:50,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 333. [2024-10-11 09:55:50,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 229 states have (on average 1.480349344978166) internal successors, (339), 230 states have internal predecessors, (339), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-11 09:55:50,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 539 transitions. [2024-10-11 09:55:50,398 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 539 transitions. Word has length 291 [2024-10-11 09:55:50,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:55:50,399 INFO L471 AbstractCegarLoop]: Abstraction has 333 states and 539 transitions. [2024-10-11 09:55:50,399 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, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 09:55:50,399 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 539 transitions. [2024-10-11 09:55:50,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2024-10-11 09:55:50,405 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:55:50,405 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:55:50,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 09:55:50,406 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:55:50,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:55:50,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1691144249, now seen corresponding path program 1 times [2024-10-11 09:55:50,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:55:50,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561442449] [2024-10-11 09:55:50,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:55:50,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:55:50,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:55:52,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:55:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:55:52,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:55:52,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:55:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:55:52,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:55:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:55:52,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:55:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:55:52,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:55:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:55:52,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:55:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:55:52,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:55:52,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:55:52,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:55:52,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:55:52,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:55:52,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:55:52,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 09:55:52,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:55:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 09:55:52,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:55:52,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 09:55:52,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:55:52,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:55:52,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:55:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:55:52,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:55:52,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:55:52,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 09:55:52,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:55:52,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 09:55:52,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 09:55:52,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 09:55:52,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 09:55:52,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 09:55:52,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 09:55:52,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 09:55:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 09:55:52,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 09:55:52,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 09:55:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 09:55:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 09:55:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 09:55:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 09:55:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 09:55:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:52,742 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-11 09:55:52,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:55:52,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561442449] [2024-10-11 09:55:52,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561442449] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:55:52,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:55:52,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 09:55:52,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639448557] [2024-10-11 09:55:52,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:55:52,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 09:55:52,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:55:52,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 09:55:52,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-10-11 09:55:52,746 INFO L87 Difference]: Start difference. First operand 333 states and 539 transitions. Second operand has 10 states, 9 states have (on average 6.0) internal successors, (54), 10 states have internal predecessors, (54), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-10-11 09:55:54,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:55:54,489 INFO L93 Difference]: Finished difference Result 809 states and 1307 transitions. [2024-10-11 09:55:54,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 09:55:54,490 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.0) internal successors, (54), 10 states have internal predecessors, (54), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 291 [2024-10-11 09:55:54,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:55:54,496 INFO L225 Difference]: With dead ends: 809 [2024-10-11 09:55:54,496 INFO L226 Difference]: Without dead ends: 615 [2024-10-11 09:55:54,497 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 99 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2024-10-11 09:55:54,498 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 669 mSDsluCounter, 1060 mSDsCounter, 0 mSdLazyCounter, 855 mSolverCounterSat, 199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 669 SdHoareTripleChecker+Valid, 1292 SdHoareTripleChecker+Invalid, 1054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 199 IncrementalHoareTripleChecker+Valid, 855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-11 09:55:54,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [669 Valid, 1292 Invalid, 1054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [199 Valid, 855 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-11 09:55:54,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2024-10-11 09:55:54,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 344. [2024-10-11 09:55:54,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 240 states have (on average 1.4916666666666667) internal successors, (358), 241 states have internal predecessors, (358), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-11 09:55:54,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 558 transitions. [2024-10-11 09:55:54,549 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 558 transitions. Word has length 291 [2024-10-11 09:55:54,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:55:54,550 INFO L471 AbstractCegarLoop]: Abstraction has 344 states and 558 transitions. [2024-10-11 09:55:54,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.0) internal successors, (54), 10 states have internal predecessors, (54), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-10-11 09:55:54,551 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 558 transitions. [2024-10-11 09:55:54,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2024-10-11 09:55:54,554 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:55:54,554 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:55:54,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 09:55:54,555 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:55:54,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:55:54,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1582754693, now seen corresponding path program 1 times [2024-10-11 09:55:54,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:55:54,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893433124] [2024-10-11 09:55:54,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:55:54,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:55:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:55:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:55:55,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:55:55,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:55:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:55:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:55:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:55:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:55:55,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:55:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:55:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:55:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:55:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:55:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:55:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:55:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:55:55,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:55:55,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:55:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:55:55,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:55:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 09:55:55,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:55:55,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 09:55:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:55:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 09:55:55,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:55:55,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:55:55,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:55:55,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:55:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:55:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:55:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 09:55:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:55:55,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 09:55:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 09:55:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 09:55:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 09:55:55,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 09:55:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 09:55:55,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 09:55:55,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 09:55:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 09:55:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 09:55:55,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 09:55:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 09:55:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 09:55:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 09:55:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 09:55:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:55,419 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-11 09:55:55,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:55:55,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893433124] [2024-10-11 09:55:55,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893433124] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:55:55,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:55:55,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 09:55:55,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610866932] [2024-10-11 09:55:55,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:55:55,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 09:55:55,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:55:55,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 09:55:55,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-11 09:55:55,423 INFO L87 Difference]: Start difference. First operand 344 states and 558 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 09:55:56,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:55:56,283 INFO L93 Difference]: Finished difference Result 758 states and 1234 transitions. [2024-10-11 09:55:56,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 09:55:56,284 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 291 [2024-10-11 09:55:56,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:55:56,289 INFO L225 Difference]: With dead ends: 758 [2024-10-11 09:55:56,289 INFO L226 Difference]: Without dead ends: 540 [2024-10-11 09:55:56,290 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2024-10-11 09:55:56,293 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 337 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 777 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 09:55:56,293 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 777 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 09:55:56,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2024-10-11 09:55:56,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 347. [2024-10-11 09:55:56,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 243 states have (on average 1.4938271604938271) internal successors, (363), 244 states have internal predecessors, (363), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-11 09:55:56,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 563 transitions. [2024-10-11 09:55:56,332 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 563 transitions. Word has length 291 [2024-10-11 09:55:56,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:55:56,333 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 563 transitions. [2024-10-11 09:55:56,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 09:55:56,334 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 563 transitions. [2024-10-11 09:55:56,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-10-11 09:55:56,337 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:55:56,337 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:55:56,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 09:55:56,337 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:55:56,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:55:56,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1737503827, now seen corresponding path program 1 times [2024-10-11 09:55:56,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:55:56,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045740214] [2024-10-11 09:55:56,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:55:56,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:55:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:56,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:55:57,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:55:57,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:55:57,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:55:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:55:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:55:57,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:55:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:55:57,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:55:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:55:57,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:55:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:55:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:55:57,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:55:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:55:57,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:55:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:55:57,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:55:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:55:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:55:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 09:55:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:55:57,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 09:55:57,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:55:57,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 09:55:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:55:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:55:57,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:55:57,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:55:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:55:57,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:55:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 09:55:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:55:57,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 09:55:57,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 09:55:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 09:55:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 09:55:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 09:55:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 09:55:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 09:55:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 09:55:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 09:55:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 09:55:57,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 09:55:57,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 09:55:57,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 09:55:57,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 09:55:57,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 09:55:57,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:55:57,212 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-11 09:55:57,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:55:57,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045740214] [2024-10-11 09:55:57,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045740214] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:55:57,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:55:57,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 09:55:57,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772681275] [2024-10-11 09:55:57,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:55:57,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 09:55:57,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:55:57,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 09:55:57,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-11 09:55:57,215 INFO L87 Difference]: Start difference. First operand 347 states and 563 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 09:55:57,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:55:57,872 INFO L93 Difference]: Finished difference Result 649 states and 1054 transitions. [2024-10-11 09:55:57,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 09:55:57,872 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 292 [2024-10-11 09:55:57,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:55:57,877 INFO L225 Difference]: With dead ends: 649 [2024-10-11 09:55:57,877 INFO L226 Difference]: Without dead ends: 431 [2024-10-11 09:55:57,878 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-10-11 09:55:57,879 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 253 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 714 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 09:55:57,879 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 714 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 09:55:57,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2024-10-11 09:55:57,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 335. [2024-10-11 09:55:57,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 231 states have (on average 1.4805194805194806) internal successors, (342), 232 states have internal predecessors, (342), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-11 09:55:57,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 542 transitions. [2024-10-11 09:55:57,920 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 542 transitions. Word has length 292 [2024-10-11 09:55:57,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:55:57,921 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 542 transitions. [2024-10-11 09:55:57,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 09:55:57,922 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 542 transitions. [2024-10-11 09:55:57,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-10-11 09:55:57,924 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:55:57,925 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:55:57,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 09:55:57,925 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:55:57,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:55:57,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1991324595, now seen corresponding path program 1 times [2024-10-11 09:55:57,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:55:57,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723744705] [2024-10-11 09:55:57,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:55:57,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:55:58,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:56:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:56:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:56:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:56:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:56:09,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:56:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:56:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:56:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:56:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:56:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:56:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:56:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:56:09,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:56:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:56:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:56:09,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:56:09,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:56:09,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:56:09,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:56:09,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 09:56:09,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:56:09,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 09:56:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:56:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 09:56:09,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:56:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:56:09,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:56:09,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:56:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:56:09,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:56:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 09:56:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:56:09,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 09:56:09,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 09:56:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 09:56:09,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 09:56:09,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 09:56:09,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 09:56:09,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 09:56:09,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 09:56:09,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 09:56:09,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 09:56:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 09:56:09,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 09:56:09,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 09:56:09,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 09:56:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 09:56:09,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:09,223 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-11 09:56:09,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:56:09,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723744705] [2024-10-11 09:56:09,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723744705] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:56:09,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:56:09,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 09:56:09,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677341907] [2024-10-11 09:56:09,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:56:09,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 09:56:09,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:56:09,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 09:56:09,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-10-11 09:56:09,226 INFO L87 Difference]: Start difference. First operand 335 states and 542 transitions. Second operand has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 09:56:10,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:56:10,737 INFO L93 Difference]: Finished difference Result 841 states and 1352 transitions. [2024-10-11 09:56:10,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 09:56:10,738 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 292 [2024-10-11 09:56:10,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:56:10,743 INFO L225 Difference]: With dead ends: 841 [2024-10-11 09:56:10,743 INFO L226 Difference]: Without dead ends: 647 [2024-10-11 09:56:10,744 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 98 SyntacticMatches, 4 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2024-10-11 09:56:10,746 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 358 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 647 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 744 SdHoareTripleChecker+Invalid, 655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-11 09:56:10,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 744 Invalid, 655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 647 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-11 09:56:10,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2024-10-11 09:56:10,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 536. [2024-10-11 09:56:10,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 378 states have (on average 1.4867724867724867) internal successors, (562), 380 states have internal predecessors, (562), 152 states have call successors, (152), 5 states have call predecessors, (152), 5 states have return successors, (152), 150 states have call predecessors, (152), 152 states have call successors, (152) [2024-10-11 09:56:10,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 866 transitions. [2024-10-11 09:56:10,802 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 866 transitions. Word has length 292 [2024-10-11 09:56:10,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:56:10,803 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 866 transitions. [2024-10-11 09:56:10,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-10-11 09:56:10,803 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 866 transitions. [2024-10-11 09:56:10,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-10-11 09:56:10,805 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:56:10,805 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:56:10,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 09:56:10,805 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:56:10,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:56:10,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1716836687, now seen corresponding path program 1 times [2024-10-11 09:56:10,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:56:10,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594504490] [2024-10-11 09:56:10,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:56:10,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:56:10,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:56:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:56:19,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:56:19,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:56:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:56:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:56:19,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:56:19,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:56:19,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:56:19,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:56:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:56:19,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:56:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:56:19,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:56:19,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:56:19,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:56:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:56:19,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:56:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:56:19,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:56:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 09:56:19,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:56:19,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 09:56:19,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:56:19,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 09:56:19,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:56:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:56:19,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:56:19,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:56:19,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:56:19,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:56:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 09:56:19,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:56:19,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 09:56:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 09:56:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 09:56:19,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 09:56:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 09:56:19,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 09:56:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 09:56:19,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 09:56:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 09:56:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 09:56:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 09:56:19,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 09:56:19,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 09:56:19,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 09:56:19,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 09:56:19,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:19,890 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-11 09:56:19,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:56:19,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594504490] [2024-10-11 09:56:19,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594504490] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:56:19,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:56:19,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-11 09:56:19,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505792057] [2024-10-11 09:56:19,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:56:19,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 09:56:19,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:56:19,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 09:56:19,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-10-11 09:56:19,893 INFO L87 Difference]: Start difference. First operand 536 states and 866 transitions. Second operand has 13 states, 12 states have (on average 4.583333333333333) internal successors, (55), 13 states have internal predecessors, (55), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-10-11 09:56:23,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:56:23,241 INFO L93 Difference]: Finished difference Result 1293 states and 2064 transitions. [2024-10-11 09:56:23,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-11 09:56:23,242 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.583333333333333) internal successors, (55), 13 states have internal predecessors, (55), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 292 [2024-10-11 09:56:23,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:56:23,250 INFO L225 Difference]: With dead ends: 1293 [2024-10-11 09:56:23,250 INFO L226 Difference]: Without dead ends: 905 [2024-10-11 09:56:23,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=118, Invalid=388, Unknown=0, NotChecked=0, Total=506 [2024-10-11 09:56:23,253 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 582 mSDsluCounter, 1219 mSDsCounter, 0 mSdLazyCounter, 1214 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 1436 SdHoareTripleChecker+Invalid, 1409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 1214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-11 09:56:23,254 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [582 Valid, 1436 Invalid, 1409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 1214 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-11 09:56:23,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2024-10-11 09:56:23,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 580. [2024-10-11 09:56:23,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 580 states, 422 states have (on average 1.5) internal successors, (633), 424 states have internal predecessors, (633), 152 states have call successors, (152), 5 states have call predecessors, (152), 5 states have return successors, (152), 150 states have call predecessors, (152), 152 states have call successors, (152) [2024-10-11 09:56:23,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 937 transitions. [2024-10-11 09:56:23,326 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 937 transitions. Word has length 292 [2024-10-11 09:56:23,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:56:23,327 INFO L471 AbstractCegarLoop]: Abstraction has 580 states and 937 transitions. [2024-10-11 09:56:23,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.583333333333333) internal successors, (55), 13 states have internal predecessors, (55), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-10-11 09:56:23,327 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 937 transitions. [2024-10-11 09:56:23,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-10-11 09:56:23,329 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:56:23,329 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:56:23,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 09:56:23,329 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:56:23,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:56:23,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1787904691, now seen corresponding path program 1 times [2024-10-11 09:56:23,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:56:23,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261469672] [2024-10-11 09:56:23,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:56:23,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:56:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:24,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:56:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:24,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:56:24,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:24,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 09:56:24,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:24,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:56:24,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:24,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 09:56:24,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:24,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 09:56:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:24,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 09:56:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:24,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:56:24,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:24,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:56:24,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:24,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:56:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:24,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:56:24,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:24,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:56:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:24,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:56:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:24,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:56:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:24,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:56:24,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:24,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:56:24,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:24,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:56:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:24,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:56:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:24,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:56:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:25,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:56:25,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:25,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 09:56:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:25,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:56:25,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:25,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 09:56:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:25,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:56:25,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:25,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 09:56:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:25,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:56:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:25,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:56:25,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:25,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:56:25,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:25,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:56:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:25,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:56:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:25,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:56:25,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:25,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 09:56:25,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:25,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:56:25,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:25,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 09:56:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:25,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 09:56:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:25,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 09:56:25,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:25,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-11 09:56:25,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:25,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 09:56:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:25,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 09:56:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:25,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 09:56:25,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:25,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 09:56:25,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:25,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 09:56:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:25,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 09:56:25,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:25,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 09:56:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:25,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 09:56:25,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:25,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-11 09:56:25,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:25,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-11 09:56:25,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:25,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 09:56:25,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:56:25,162 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-10-11 09:56:25,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:56:25,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261469672] [2024-10-11 09:56:25,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261469672] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:56:25,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:56:25,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 09:56:25,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488474314] [2024-10-11 09:56:25,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:56:25,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 09:56:25,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:56:25,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 09:56:25,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-10-11 09:56:25,165 INFO L87 Difference]: Start difference. First operand 580 states and 937 transitions. Second operand has 11 states, 10 states have (on average 5.5) internal successors, (55), 11 states have internal predecessors, (55), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-10-11 09:56:25,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:56:25,953 INFO L93 Difference]: Finished difference Result 1190 states and 1881 transitions. [2024-10-11 09:56:25,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 09:56:25,954 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.5) internal successors, (55), 11 states have internal predecessors, (55), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 292 [2024-10-11 09:56:25,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:56:25,960 INFO L225 Difference]: With dead ends: 1190 [2024-10-11 09:56:25,960 INFO L226 Difference]: Without dead ends: 996 [2024-10-11 09:56:25,964 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=123, Invalid=257, Unknown=0, NotChecked=0, Total=380 [2024-10-11 09:56:25,965 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 851 mSDsluCounter, 836 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 851 SdHoareTripleChecker+Valid, 1035 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 09:56:25,965 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [851 Valid, 1035 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 09:56:25,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2024-10-11 09:56:26,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 592. [2024-10-11 09:56:26,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 434 states have (on average 1.5069124423963134) internal successors, (654), 436 states have internal predecessors, (654), 152 states have call successors, (152), 5 states have call predecessors, (152), 5 states have return successors, (152), 150 states have call predecessors, (152), 152 states have call successors, (152) [2024-10-11 09:56:26,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 958 transitions. [2024-10-11 09:56:26,038 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 958 transitions. Word has length 292 [2024-10-11 09:56:26,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:56:26,039 INFO L471 AbstractCegarLoop]: Abstraction has 592 states and 958 transitions. [2024-10-11 09:56:26,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.5) internal successors, (55), 11 states have internal predecessors, (55), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-10-11 09:56:26,039 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 958 transitions. [2024-10-11 09:56:26,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2024-10-11 09:56:26,041 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:56:26,042 INFO L215 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 09:56:26,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 09:56:26,042 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:56:26,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:56:26,043 INFO L85 PathProgramCache]: Analyzing trace with hash 899188237, now seen corresponding path program 1 times [2024-10-11 09:56:26,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:56:26,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45439119] [2024-10-11 09:56:26,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:56:26,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:56:26,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat