./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-81.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 139d16f6f2adc0a53ed334bc0ef4cd475497ad47ce08b4367552becb4de333c7 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 22:52:49,495 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:52:49,576 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 22:52:49,579 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:52:49,579 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 22:52:49,597 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:52:49,598 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 22:52:49,598 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 22:52:49,599 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 22:52:49,599 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 22:52:49,599 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:52:49,599 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 22:52:49,600 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:52:49,600 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:52:49,600 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 22:52:49,601 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:52:49,601 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:52:49,601 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:52:49,602 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:52:49,602 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:52:49,602 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:52:49,605 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:52:49,606 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:52:49,606 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:52:49,606 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:52:49,606 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:52:49,607 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:52:49,607 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:52:49,607 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:52:49,608 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 22:52:49,608 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 22:52:49,608 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 22:52:49,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 22:52:49,609 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:52:49,609 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:52:49,609 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:52:49,609 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 22:52:49,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:52:49,610 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 22:52:49,610 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 22:52:49,610 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 22:52:49,615 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 22:52:49,615 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 139d16f6f2adc0a53ed334bc0ef4cd475497ad47ce08b4367552becb4de333c7 [2024-11-08 22:52:49,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:52:49,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:52:49,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:52:49,865 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:52:49,865 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:52:49,866 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-81.i [2024-11-08 22:52:51,389 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:52:51,607 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:52:51,608 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-81.i [2024-11-08 22:52:51,615 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86f7d3e63/4ad3e4a3d3ef46509a04b731c64a40a5/FLAG0ca599778 [2024-11-08 22:52:51,628 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86f7d3e63/4ad3e4a3d3ef46509a04b731c64a40a5 [2024-11-08 22:52:51,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:52:51,633 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:52:51,635 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:52:51,635 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:52:51,642 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:52:51,642 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:52:51" (1/1) ... [2024-11-08 22:52:51,643 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eb80cb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:51, skipping insertion in model container [2024-11-08 22:52:51,645 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:52:51" (1/1) ... [2024-11-08 22:52:51,669 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:52:51,842 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-81.i[913,926] [2024-11-08 22:52:51,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:52:51,919 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:52:51,930 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-81.i[913,926] [2024-11-08 22:52:51,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:52:51,977 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:52:51,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:51 WrapperNode [2024-11-08 22:52:51,978 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:52:51,979 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:52:51,979 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:52:51,979 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:52:51,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:51" (1/1) ... [2024-11-08 22:52:51,997 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:51" (1/1) ... [2024-11-08 22:52:52,036 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 179 [2024-11-08 22:52:52,039 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:52:52,040 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:52:52,040 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:52:52,040 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:52:52,053 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:51" (1/1) ... [2024-11-08 22:52:52,053 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:51" (1/1) ... [2024-11-08 22:52:52,058 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:51" (1/1) ... [2024-11-08 22:52:52,081 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 22:52:52,081 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:51" (1/1) ... [2024-11-08 22:52:52,082 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:51" (1/1) ... [2024-11-08 22:52:52,096 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:51" (1/1) ... [2024-11-08 22:52:52,100 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:51" (1/1) ... [2024-11-08 22:52:52,106 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:51" (1/1) ... [2024-11-08 22:52:52,108 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:51" (1/1) ... [2024-11-08 22:52:52,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:52:52,116 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:52:52,116 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:52:52,116 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:52:52,117 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:51" (1/1) ... [2024-11-08 22:52:52,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 22:52:52,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 22:52:52,148 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 22:52:52,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 22:52:52,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:52:52,187 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 22:52:52,187 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 22:52:52,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 22:52:52,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:52:52,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:52:52,260 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:52:52,261 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:52:52,553 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-08 22:52:52,554 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:52:52,569 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:52:52,570 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:52:52,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:52:52 BoogieIcfgContainer [2024-11-08 22:52:52,570 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:52:52,572 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 22:52:52,572 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 22:52:52,574 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 22:52:52,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 10:52:51" (1/3) ... [2024-11-08 22:52:52,576 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@687efd2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 10:52:52, skipping insertion in model container [2024-11-08 22:52:52,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:52:51" (2/3) ... [2024-11-08 22:52:52,576 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@687efd2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 10:52:52, skipping insertion in model container [2024-11-08 22:52:52,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:52:52" (3/3) ... [2024-11-08 22:52:52,578 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-81.i [2024-11-08 22:52:52,592 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 22:52:52,593 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 22:52:52,653 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 22:52:52,658 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;@618bb299, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 22:52:52,659 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 22:52:52,663 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 48 states have (on average 1.375) internal successors, (66), 49 states have internal predecessors, (66), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-08 22:52:52,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-08 22:52:52,678 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:52:52,679 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 22:52:52,680 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:52:52,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:52:52,686 INFO L85 PathProgramCache]: Analyzing trace with hash 409085708, now seen corresponding path program 1 times [2024-11-08 22:52:52,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:52:52,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838290603] [2024-11-08 22:52:52,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:52:52,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:52:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:53,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:52:53,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:53,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 22:52:53,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:53,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 22:52:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:53,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 22:52:53,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:53,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 22:52:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:53,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 22:52:53,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:53,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 22:52:53,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:53,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 22:52:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:53,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 22:52:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:53,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 22:52:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:53,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 22:52:53,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:53,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 22:52:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:53,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 22:52:53,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:53,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 22:52:53,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:53,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:52:53,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:53,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 22:52:53,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:53,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 22:52:53,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:53,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 22:52:53,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:53,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 22:52:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:53,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 22:52:53,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:53,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 22:52:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:53,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 22:52:53,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:53,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 22:52:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:53,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 22:52:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:53,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 22:52:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:53,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 22:52:53,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:52:53,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-08 22:52:53,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:52:53,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838290603] [2024-11-08 22:52:53,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838290603] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:52:53,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:52:53,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 22:52:53,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141235454] [2024-11-08 22:52:53,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:52:53,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 22:52:53,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:52:53,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 22:52:53,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 22:52:53,241 INFO L87 Difference]: Start difference. First operand has 77 states, 48 states have (on average 1.375) internal successors, (66), 49 states have internal predecessors, (66), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-08 22:52:53,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:52:53,273 INFO L93 Difference]: Finished difference Result 147 states and 256 transitions. [2024-11-08 22:52:53,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 22:52:53,275 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 163 [2024-11-08 22:52:53,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:52:53,282 INFO L225 Difference]: With dead ends: 147 [2024-11-08 22:52:53,282 INFO L226 Difference]: Without dead ends: 73 [2024-11-08 22:52:53,285 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 22:52:53,289 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 22:52:53,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 22:52:53,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-08 22:52:53,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-08 22:52:53,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 45 states have internal predecessors, (59), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-08 22:52:53,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 111 transitions. [2024-11-08 22:52:53,328 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 111 transitions. Word has length 163 [2024-11-08 22:52:53,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:52:53,328 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 111 transitions. [2024-11-08 22:52:53,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-08 22:52:53,329 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 111 transitions. [2024-11-08 22:52:53,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-08 22:52:53,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:52:53,332 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 22:52:53,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 22:52:53,332 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:52:53,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:52:53,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1193130060, now seen corresponding path program 1 times [2024-11-08 22:52:53,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:52:53,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037309955] [2024-11-08 22:52:53,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:52:53,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:52:53,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:03,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:53:03,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:03,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 22:53:03,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:03,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 22:53:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:03,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 22:53:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:03,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 22:53:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:03,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 22:53:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:03,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 22:53:03,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:03,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 22:53:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:03,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 22:53:03,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:03,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 22:53:03,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:03,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 22:53:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:03,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 22:53:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:03,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 22:53:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:03,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 22:53:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:03,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:53:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:03,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 22:53:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:03,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 22:53:03,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:03,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 22:53:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:03,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 22:53:03,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:03,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 22:53:03,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:03,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 22:53:03,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:03,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 22:53:03,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:03,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 22:53:03,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:03,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 22:53:03,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:03,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 22:53:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:03,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 22:53:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:03,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-08 22:53:03,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:53:03,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037309955] [2024-11-08 22:53:03,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037309955] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:53:03,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:53:03,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 22:53:03,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072141952] [2024-11-08 22:53:03,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:53:03,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 22:53:03,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:53:03,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 22:53:03,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-08 22:53:03,848 INFO L87 Difference]: Start difference. First operand 73 states and 111 transitions. Second operand has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 22:53:06,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:53:06,563 INFO L93 Difference]: Finished difference Result 321 states and 480 transitions. [2024-11-08 22:53:06,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 22:53:06,567 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-08 22:53:06,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:53:06,573 INFO L225 Difference]: With dead ends: 321 [2024-11-08 22:53:06,573 INFO L226 Difference]: Without dead ends: 251 [2024-11-08 22:53:06,574 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2024-11-08 22:53:06,575 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 651 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 651 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 22:53:06,575 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [651 Valid, 526 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 22:53:06,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-11-08 22:53:06,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 132. [2024-11-08 22:53:06,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 77 states have (on average 1.2857142857142858) internal successors, (99), 77 states have internal predecessors, (99), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-08 22:53:06,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 203 transitions. [2024-11-08 22:53:06,603 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 203 transitions. Word has length 163 [2024-11-08 22:53:06,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:53:06,603 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 203 transitions. [2024-11-08 22:53:06,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 22:53:06,604 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 203 transitions. [2024-11-08 22:53:06,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-08 22:53:06,606 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:53:06,607 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 22:53:06,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 22:53:06,607 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:53:06,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:53:06,607 INFO L85 PathProgramCache]: Analyzing trace with hash 800103050, now seen corresponding path program 1 times [2024-11-08 22:53:06,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:53:06,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524991484] [2024-11-08 22:53:06,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:53:06,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:53:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:06,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:53:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:06,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 22:53:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:06,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 22:53:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:06,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 22:53:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:06,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 22:53:06,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:06,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 22:53:06,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:06,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 22:53:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:06,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 22:53:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:06,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 22:53:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:06,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 22:53:06,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:06,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 22:53:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:06,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 22:53:06,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:06,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 22:53:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:06,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 22:53:06,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:06,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:53:06,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:06,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 22:53:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:06,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 22:53:06,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:06,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 22:53:06,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:06,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 22:53:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:06,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 22:53:06,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:06,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 22:53:06,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:06,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 22:53:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:06,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 22:53:06,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:06,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 22:53:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:06,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 22:53:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:06,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 22:53:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:06,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-08 22:53:06,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:53:06,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524991484] [2024-11-08 22:53:06,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524991484] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:53:06,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:53:06,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 22:53:06,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295492863] [2024-11-08 22:53:06,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:53:06,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 22:53:06,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:53:06,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 22:53:06,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 22:53:06,866 INFO L87 Difference]: Start difference. First operand 132 states and 203 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 22:53:06,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:53:06,935 INFO L93 Difference]: Finished difference Result 237 states and 360 transitions. [2024-11-08 22:53:06,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 22:53:06,936 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-08 22:53:06,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:53:06,939 INFO L225 Difference]: With dead ends: 237 [2024-11-08 22:53:06,939 INFO L226 Difference]: Without dead ends: 167 [2024-11-08 22:53:06,941 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 22:53:06,944 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 42 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 22:53:06,944 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 324 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 22:53:06,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-08 22:53:06,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 164. [2024-11-08 22:53:06,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 104 states have (on average 1.2980769230769231) internal successors, (135), 105 states have internal predecessors, (135), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-08 22:53:06,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 247 transitions. [2024-11-08 22:53:06,974 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 247 transitions. Word has length 163 [2024-11-08 22:53:06,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:53:06,975 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 247 transitions. [2024-11-08 22:53:06,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 22:53:06,976 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 247 transitions. [2024-11-08 22:53:06,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-08 22:53:06,977 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:53:06,978 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 22:53:06,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 22:53:06,978 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:53:06,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:53:06,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1894194638, now seen corresponding path program 1 times [2024-11-08 22:53:06,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:53:06,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538120030] [2024-11-08 22:53:06,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:53:06,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:53:07,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:13,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:53:13,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:13,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 22:53:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:13,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 22:53:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:13,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 22:53:13,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:13,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 22:53:13,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:13,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 22:53:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:13,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 22:53:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:13,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 22:53:13,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:13,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 22:53:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:13,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 22:53:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:13,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 22:53:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:13,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 22:53:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:13,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 22:53:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:13,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 22:53:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:13,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:53:13,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:13,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 22:53:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:13,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 22:53:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:13,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 22:53:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:13,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 22:53:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:13,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 22:53:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:13,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 22:53:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:13,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 22:53:13,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:13,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 22:53:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:13,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 22:53:13,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:13,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 22:53:13,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:13,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 22:53:13,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:13,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-08 22:53:13,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:53:13,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538120030] [2024-11-08 22:53:13,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538120030] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:53:13,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:53:13,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 22:53:13,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174036791] [2024-11-08 22:53:13,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:53:13,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 22:53:13,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:53:13,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 22:53:13,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-08 22:53:13,672 INFO L87 Difference]: Start difference. First operand 164 states and 247 transitions. Second operand has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 22:53:16,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:53:16,310 INFO L93 Difference]: Finished difference Result 372 states and 546 transitions. [2024-11-08 22:53:16,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 22:53:16,310 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-08 22:53:16,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:53:16,315 INFO L225 Difference]: With dead ends: 372 [2024-11-08 22:53:16,316 INFO L226 Difference]: Without dead ends: 270 [2024-11-08 22:53:16,317 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2024-11-08 22:53:16,318 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 418 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 22:53:16,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 521 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 22:53:16,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-11-08 22:53:16,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 164. [2024-11-08 22:53:16,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 104 states have (on average 1.2980769230769231) internal successors, (135), 105 states have internal predecessors, (135), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-08 22:53:16,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 247 transitions. [2024-11-08 22:53:16,347 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 247 transitions. Word has length 163 [2024-11-08 22:53:16,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:53:16,350 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 247 transitions. [2024-11-08 22:53:16,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 22:53:16,350 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 247 transitions. [2024-11-08 22:53:16,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-08 22:53:16,351 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:53:16,352 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 22:53:16,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 22:53:16,352 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:53:16,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:53:16,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1451295498, now seen corresponding path program 1 times [2024-11-08 22:53:16,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:53:16,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158284341] [2024-11-08 22:53:16,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:53:16,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:53:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:16,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:53:16,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:16,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 22:53:16,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:16,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 22:53:16,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:16,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 22:53:16,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:16,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 22:53:16,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:16,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 22:53:16,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:16,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 22:53:16,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:16,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 22:53:16,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:16,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 22:53:16,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:16,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 22:53:16,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:16,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 22:53:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:16,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 22:53:16,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:16,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 22:53:16,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:16,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 22:53:16,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:16,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:53:16,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:16,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 22:53:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:16,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 22:53:16,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:16,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 22:53:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:16,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 22:53:16,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:16,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 22:53:16,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:16,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 22:53:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:16,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 22:53:16,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:16,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 22:53:16,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:16,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 22:53:16,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:16,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 22:53:16,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:16,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 22:53:16,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:16,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-08 22:53:16,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:53:16,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158284341] [2024-11-08 22:53:16,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158284341] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:53:16,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:53:16,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 22:53:16,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406612808] [2024-11-08 22:53:16,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:53:16,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 22:53:16,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:53:16,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 22:53:16,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 22:53:16,928 INFO L87 Difference]: Start difference. First operand 164 states and 247 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 22:53:17,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:53:17,335 INFO L93 Difference]: Finished difference Result 312 states and 467 transitions. [2024-11-08 22:53:17,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 22:53:17,336 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-08 22:53:17,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:53:17,338 INFO L225 Difference]: With dead ends: 312 [2024-11-08 22:53:17,338 INFO L226 Difference]: Without dead ends: 210 [2024-11-08 22:53:17,339 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-08 22:53:17,340 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 101 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 22:53:17,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 439 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 22:53:17,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-08 22:53:17,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 170. [2024-11-08 22:53:17,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 110 states have (on average 1.290909090909091) internal successors, (142), 111 states have internal predecessors, (142), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-08 22:53:17,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 254 transitions. [2024-11-08 22:53:17,356 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 254 transitions. Word has length 163 [2024-11-08 22:53:17,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:53:17,357 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 254 transitions. [2024-11-08 22:53:17,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 22:53:17,357 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 254 transitions. [2024-11-08 22:53:17,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-08 22:53:17,358 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:53:17,358 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 22:53:17,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 22:53:17,359 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:53:17,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:53:17,359 INFO L85 PathProgramCache]: Analyzing trace with hash 182012810, now seen corresponding path program 1 times [2024-11-08 22:53:17,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:53:17,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993415744] [2024-11-08 22:53:17,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:53:17,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:53:17,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:23,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:53:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:23,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 22:53:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:23,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 22:53:23,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:23,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 22:53:23,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:23,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 22:53:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:23,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 22:53:23,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:23,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 22:53:23,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:23,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 22:53:23,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:23,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 22:53:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:23,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 22:53:23,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:23,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 22:53:23,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:23,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 22:53:23,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:23,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 22:53:23,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:23,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 22:53:23,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:23,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:53:23,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:23,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 22:53:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:23,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 22:53:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:23,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 22:53:23,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:23,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 22:53:23,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:23,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 22:53:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:23,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 22:53:23,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:23,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 22:53:23,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:23,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 22:53:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:23,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 22:53:23,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:23,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 22:53:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:23,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 22:53:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:23,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-08 22:53:23,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:53:23,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993415744] [2024-11-08 22:53:23,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993415744] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:53:23,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:53:23,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 22:53:23,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189587281] [2024-11-08 22:53:23,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:53:23,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 22:53:23,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:53:23,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 22:53:23,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-08 22:53:23,540 INFO L87 Difference]: Start difference. First operand 170 states and 254 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 22:53:24,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:53:24,961 INFO L93 Difference]: Finished difference Result 341 states and 498 transitions. [2024-11-08 22:53:24,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 22:53:24,962 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-08 22:53:24,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:53:24,964 INFO L225 Difference]: With dead ends: 341 [2024-11-08 22:53:24,964 INFO L226 Difference]: Without dead ends: 239 [2024-11-08 22:53:24,965 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-08 22:53:24,966 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 144 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 22:53:24,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 514 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 22:53:24,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-08 22:53:24,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 171. [2024-11-08 22:53:24,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 111 states have (on average 1.2972972972972974) internal successors, (144), 112 states have internal predecessors, (144), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-08 22:53:24,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 256 transitions. [2024-11-08 22:53:24,982 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 256 transitions. Word has length 163 [2024-11-08 22:53:24,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:53:24,982 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 256 transitions. [2024-11-08 22:53:24,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 22:53:24,982 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 256 transitions. [2024-11-08 22:53:24,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-08 22:53:24,983 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:53:24,984 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 22:53:24,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 22:53:24,984 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:53:24,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:53:24,984 INFO L85 PathProgramCache]: Analyzing trace with hash 883077388, now seen corresponding path program 1 times [2024-11-08 22:53:24,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:53:24,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587843440] [2024-11-08 22:53:24,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:53:24,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:53:25,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:31,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:53:31,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:31,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 22:53:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:31,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 22:53:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:31,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 22:53:31,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:31,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 22:53:31,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:31,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 22:53:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:31,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 22:53:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:31,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 22:53:31,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:31,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 22:53:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:31,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 22:53:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:31,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 22:53:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:31,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 22:53:31,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:31,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 22:53:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:31,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 22:53:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:31,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:53:31,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:31,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 22:53:31,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:31,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 22:53:31,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:31,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 22:53:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:31,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 22:53:31,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:31,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 22:53:31,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:31,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 22:53:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:31,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 22:53:31,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:31,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 22:53:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:31,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 22:53:31,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:31,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 22:53:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:31,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 22:53:31,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:31,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-08 22:53:31,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:53:31,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587843440] [2024-11-08 22:53:31,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587843440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:53:31,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:53:31,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 22:53:31,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079367295] [2024-11-08 22:53:31,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:53:31,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 22:53:31,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:53:31,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 22:53:31,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-08 22:53:31,434 INFO L87 Difference]: Start difference. First operand 171 states and 256 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 22:53:32,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:53:32,728 INFO L93 Difference]: Finished difference Result 322 states and 474 transitions. [2024-11-08 22:53:32,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 22:53:32,729 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 163 [2024-11-08 22:53:32,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:53:32,732 INFO L225 Difference]: With dead ends: 322 [2024-11-08 22:53:32,732 INFO L226 Difference]: Without dead ends: 210 [2024-11-08 22:53:32,733 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-08 22:53:32,733 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 177 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 22:53:32,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 399 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 22:53:32,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-08 22:53:32,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 168. [2024-11-08 22:53:32,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 108 states have (on average 1.2962962962962963) internal successors, (140), 109 states have internal predecessors, (140), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-08 22:53:32,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 252 transitions. [2024-11-08 22:53:32,745 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 252 transitions. Word has length 163 [2024-11-08 22:53:32,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:53:32,745 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 252 transitions. [2024-11-08 22:53:32,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 9 states have internal predecessors, (36), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 22:53:32,746 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 252 transitions. [2024-11-08 22:53:32,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-08 22:53:32,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:53:32,747 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 22:53:32,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 22:53:32,747 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:53:32,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:53:32,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1839498733, now seen corresponding path program 1 times [2024-11-08 22:53:32,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:53:32,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736380957] [2024-11-08 22:53:32,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:53:32,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:53:32,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:32,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:53:32,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:32,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 22:53:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:32,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 22:53:32,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:32,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 22:53:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:32,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 22:53:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:32,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 22:53:32,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:32,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 22:53:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:32,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 22:53:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:32,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 22:53:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:32,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 22:53:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:32,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 22:53:32,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:32,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 22:53:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:32,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 22:53:32,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:32,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 22:53:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:32,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:53:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:32,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 22:53:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:32,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 22:53:32,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:32,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 22:53:32,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:32,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 22:53:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:32,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 22:53:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:32,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 22:53:32,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:32,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 22:53:32,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:32,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 22:53:32,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:32,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 22:53:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:32,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 22:53:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:32,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 22:53:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:32,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-08 22:53:32,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:53:32,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736380957] [2024-11-08 22:53:32,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736380957] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:53:32,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:53:32,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 22:53:32,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188621855] [2024-11-08 22:53:32,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:53:32,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 22:53:32,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:53:32,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 22:53:32,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 22:53:32,896 INFO L87 Difference]: Start difference. First operand 168 states and 252 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 22:53:32,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:53:32,944 INFO L93 Difference]: Finished difference Result 306 states and 450 transitions. [2024-11-08 22:53:32,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 22:53:32,945 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2024-11-08 22:53:32,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:53:32,946 INFO L225 Difference]: With dead ends: 306 [2024-11-08 22:53:32,946 INFO L226 Difference]: Without dead ends: 194 [2024-11-08 22:53:32,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 22:53:32,947 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 62 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 22:53:32,947 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 317 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 22:53:32,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-08 22:53:32,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 163. [2024-11-08 22:53:32,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 106 states have (on average 1.2924528301886793) internal successors, (137), 106 states have internal predecessors, (137), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-08 22:53:32,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 241 transitions. [2024-11-08 22:53:32,958 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 241 transitions. Word has length 164 [2024-11-08 22:53:32,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:53:32,959 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 241 transitions. [2024-11-08 22:53:32,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 22:53:32,959 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 241 transitions. [2024-11-08 22:53:32,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-08 22:53:32,960 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:53:32,960 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 22:53:32,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 22:53:32,960 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:53:32,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:53:32,960 INFO L85 PathProgramCache]: Analyzing trace with hash 2062441553, now seen corresponding path program 1 times [2024-11-08 22:53:32,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:53:32,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110595806] [2024-11-08 22:53:32,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:53:32,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:53:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:38,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:53:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:38,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 22:53:38,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:38,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 22:53:38,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:38,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 22:53:38,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:38,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 22:53:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:38,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 22:53:38,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:38,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 22:53:38,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:38,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 22:53:38,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:38,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 22:53:38,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:38,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 22:53:38,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:38,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 22:53:38,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:38,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 22:53:38,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:38,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 22:53:38,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:38,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 22:53:38,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:38,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:53:38,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:38,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 22:53:38,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:38,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 22:53:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:38,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 22:53:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:38,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 22:53:38,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:38,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 22:53:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:38,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 22:53:38,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:38,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 22:53:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:38,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 22:53:38,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:38,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 22:53:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:38,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 22:53:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:38,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 22:53:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:38,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-08 22:53:38,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:53:38,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110595806] [2024-11-08 22:53:38,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110595806] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:53:38,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:53:38,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 22:53:38,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133751385] [2024-11-08 22:53:38,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:53:38,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 22:53:38,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:53:38,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 22:53:38,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-08 22:53:38,834 INFO L87 Difference]: Start difference. First operand 163 states and 241 transitions. Second operand has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 22:53:40,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:53:40,523 INFO L93 Difference]: Finished difference Result 341 states and 496 transitions. [2024-11-08 22:53:40,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 22:53:40,524 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2024-11-08 22:53:40,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:53:40,525 INFO L225 Difference]: With dead ends: 341 [2024-11-08 22:53:40,526 INFO L226 Difference]: Without dead ends: 241 [2024-11-08 22:53:40,526 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2024-11-08 22:53:40,527 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 170 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 22:53:40,527 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 518 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 22:53:40,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-08 22:53:40,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 171. [2024-11-08 22:53:40,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 114 states have (on average 1.3070175438596492) internal successors, (149), 114 states have internal predecessors, (149), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-08 22:53:40,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 253 transitions. [2024-11-08 22:53:40,545 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 253 transitions. Word has length 164 [2024-11-08 22:53:40,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:53:40,546 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 253 transitions. [2024-11-08 22:53:40,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 22:53:40,546 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 253 transitions. [2024-11-08 22:53:40,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-08 22:53:40,547 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:53:40,548 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 22:53:40,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 22:53:40,548 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:53:40,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:53:40,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1531461165, now seen corresponding path program 1 times [2024-11-08 22:53:40,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:53:40,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809020803] [2024-11-08 22:53:40,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:53:40,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:53:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:45,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:53:45,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:45,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 22:53:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:45,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 22:53:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:45,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 22:53:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:45,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 22:53:45,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:45,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 22:53:45,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:45,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 22:53:45,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:45,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 22:53:45,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:45,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 22:53:45,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:45,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 22:53:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:45,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 22:53:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:45,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 22:53:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:45,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 22:53:45,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:45,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 22:53:45,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:45,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:53:45,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:45,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 22:53:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:45,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 22:53:45,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:45,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 22:53:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:45,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 22:53:45,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:45,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 22:53:45,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:45,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 22:53:45,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:45,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 22:53:45,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:45,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 22:53:45,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:45,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 22:53:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:45,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 22:53:45,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:45,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 22:53:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:45,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-08 22:53:45,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:53:45,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809020803] [2024-11-08 22:53:45,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809020803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:53:45,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:53:45,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 22:53:45,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115971397] [2024-11-08 22:53:45,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:53:45,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 22:53:45,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:53:45,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 22:53:45,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-08 22:53:45,883 INFO L87 Difference]: Start difference. First operand 171 states and 253 transitions. Second operand has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-08 22:53:47,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:53:47,508 INFO L93 Difference]: Finished difference Result 362 states and 524 transitions. [2024-11-08 22:53:47,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 22:53:47,509 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 164 [2024-11-08 22:53:47,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:53:47,510 INFO L225 Difference]: With dead ends: 362 [2024-11-08 22:53:47,510 INFO L226 Difference]: Without dead ends: 262 [2024-11-08 22:53:47,511 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2024-11-08 22:53:47,511 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 278 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 22:53:47,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 575 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 22:53:47,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2024-11-08 22:53:47,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 174. [2024-11-08 22:53:47,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 117 states have (on average 1.3076923076923077) internal successors, (153), 117 states have internal predecessors, (153), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-08 22:53:47,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 257 transitions. [2024-11-08 22:53:47,538 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 257 transitions. Word has length 164 [2024-11-08 22:53:47,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:53:47,538 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 257 transitions. [2024-11-08 22:53:47,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-08 22:53:47,538 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 257 transitions. [2024-11-08 22:53:47,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-08 22:53:47,544 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:53:47,544 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 22:53:47,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 22:53:47,544 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:53:47,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:53:47,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1752388881, now seen corresponding path program 1 times [2024-11-08 22:53:47,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:53:47,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543894067] [2024-11-08 22:53:47,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:53:47,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:53:47,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:51,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:53:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:51,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 22:53:51,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:51,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 22:53:51,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:51,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 22:53:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:51,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 22:53:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:51,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 22:53:51,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:51,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 22:53:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:51,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 22:53:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:51,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 22:53:51,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:51,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 22:53:51,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:51,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 22:53:51,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:51,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 22:53:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:51,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 22:53:51,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:51,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 22:53:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:51,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:53:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:51,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 22:53:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:51,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 22:53:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:51,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 22:53:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:51,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 22:53:51,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:51,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 22:53:51,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:51,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 22:53:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:51,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 22:53:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:51,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 22:53:51,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:51,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 22:53:51,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:51,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 22:53:51,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:51,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 22:53:51,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:51,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-08 22:53:51,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:53:51,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543894067] [2024-11-08 22:53:51,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543894067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:53:51,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:53:51,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 22:53:51,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912576043] [2024-11-08 22:53:51,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:53:51,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 22:53:51,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:53:51,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 22:53:51,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-08 22:53:51,790 INFO L87 Difference]: Start difference. First operand 174 states and 257 transitions. Second operand has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 22:53:52,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:53:52,522 INFO L93 Difference]: Finished difference Result 316 states and 461 transitions. [2024-11-08 22:53:52,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 22:53:52,523 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2024-11-08 22:53:52,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:53:52,524 INFO L225 Difference]: With dead ends: 316 [2024-11-08 22:53:52,524 INFO L226 Difference]: Without dead ends: 216 [2024-11-08 22:53:52,525 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-08 22:53:52,525 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 115 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 22:53:52,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 504 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 22:53:52,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-08 22:53:52,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 171. [2024-11-08 22:53:52,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 114 states have (on average 1.3070175438596492) internal successors, (149), 114 states have internal predecessors, (149), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-08 22:53:52,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 253 transitions. [2024-11-08 22:53:52,537 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 253 transitions. Word has length 164 [2024-11-08 22:53:52,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:53:52,537 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 253 transitions. [2024-11-08 22:53:52,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.111111111111111) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 22:53:52,538 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 253 transitions. [2024-11-08 22:53:52,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-08 22:53:52,538 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:53:52,539 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 22:53:52,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 22:53:52,539 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:53:52,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:53:52,539 INFO L85 PathProgramCache]: Analyzing trace with hash -559635055, now seen corresponding path program 1 times [2024-11-08 22:53:52,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:53:52,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175508407] [2024-11-08 22:53:52,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:53:52,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:53:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:55,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:53:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:55,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 22:53:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:55,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 22:53:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:55,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 22:53:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:55,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 22:53:55,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:55,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 22:53:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:55,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 22:53:55,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:55,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 22:53:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:55,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 22:53:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:55,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 22:53:55,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:55,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 22:53:55,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:55,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 22:53:55,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:55,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 22:53:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:55,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 22:53:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:55,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:53:55,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:55,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 22:53:55,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:55,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 22:53:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:55,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 22:53:55,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:55,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 22:53:55,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:55,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 22:53:55,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:55,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 22:53:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:55,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 22:53:55,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:55,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 22:53:55,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:55,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 22:53:55,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:55,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 22:53:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:55,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 22:53:55,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:55,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-08 22:53:55,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:53:55,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175508407] [2024-11-08 22:53:55,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175508407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:53:55,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:53:55,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 22:53:55,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211586323] [2024-11-08 22:53:55,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:53:55,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 22:53:55,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:53:55,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 22:53:55,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-08 22:53:55,850 INFO L87 Difference]: Start difference. First operand 171 states and 253 transitions. Second operand has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 22:53:57,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:53:57,087 INFO L93 Difference]: Finished difference Result 426 states and 613 transitions. [2024-11-08 22:53:57,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 22:53:57,088 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 164 [2024-11-08 22:53:57,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:53:57,090 INFO L225 Difference]: With dead ends: 426 [2024-11-08 22:53:57,090 INFO L226 Difference]: Without dead ends: 318 [2024-11-08 22:53:57,090 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2024-11-08 22:53:57,091 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 443 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 22:53:57,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [443 Valid, 575 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 22:53:57,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-11-08 22:53:57,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 175. [2024-11-08 22:53:57,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 118 states have (on average 1.3135593220338984) internal successors, (155), 118 states have internal predecessors, (155), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-08 22:53:57,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 259 transitions. [2024-11-08 22:53:57,102 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 259 transitions. Word has length 164 [2024-11-08 22:53:57,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:53:57,103 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 259 transitions. [2024-11-08 22:53:57,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-08 22:53:57,103 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 259 transitions. [2024-11-08 22:53:57,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-08 22:53:57,103 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:53:57,103 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 22:53:57,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 22:53:57,104 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:53:57,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:53:57,104 INFO L85 PathProgramCache]: Analyzing trace with hash -952662065, now seen corresponding path program 1 times [2024-11-08 22:53:57,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:53:57,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290986593] [2024-11-08 22:53:57,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:53:57,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:53:57,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:02,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:54:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:02,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 22:54:02,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:02,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 22:54:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:02,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 22:54:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:02,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 22:54:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:02,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 22:54:02,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:02,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 22:54:02,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:02,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 22:54:02,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:02,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 22:54:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:02,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 22:54:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:02,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 22:54:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:02,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 22:54:02,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:02,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 22:54:02,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:02,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 22:54:02,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:02,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:54:02,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:02,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 22:54:02,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:02,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 22:54:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:02,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 22:54:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:02,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 22:54:02,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:02,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 22:54:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:02,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 22:54:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:02,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 22:54:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:02,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 22:54:02,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:02,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 22:54:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:02,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 22:54:02,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:02,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 22:54:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:02,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-08 22:54:02,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:54:02,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290986593] [2024-11-08 22:54:02,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290986593] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:54:02,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:54:02,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 22:54:02,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697981350] [2024-11-08 22:54:02,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:54:02,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 22:54:02,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:54:02,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 22:54:02,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-08 22:54:02,170 INFO L87 Difference]: Start difference. First operand 175 states and 259 transitions. Second operand has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-08 22:54:03,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:54:03,361 INFO L93 Difference]: Finished difference Result 387 states and 561 transitions. [2024-11-08 22:54:03,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 22:54:03,362 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 164 [2024-11-08 22:54:03,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:54:03,363 INFO L225 Difference]: With dead ends: 387 [2024-11-08 22:54:03,363 INFO L226 Difference]: Without dead ends: 279 [2024-11-08 22:54:03,364 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2024-11-08 22:54:03,364 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 302 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 22:54:03,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 567 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 22:54:03,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2024-11-08 22:54:03,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 177. [2024-11-08 22:54:03,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 120 states have (on average 1.325) internal successors, (159), 120 states have internal predecessors, (159), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-08 22:54:03,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 263 transitions. [2024-11-08 22:54:03,376 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 263 transitions. Word has length 164 [2024-11-08 22:54:03,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:54:03,376 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 263 transitions. [2024-11-08 22:54:03,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-08 22:54:03,376 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 263 transitions. [2024-11-08 22:54:03,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-08 22:54:03,377 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:54:03,377 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 22:54:03,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 22:54:03,378 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:54:03,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:54:03,378 INFO L85 PathProgramCache]: Analyzing trace with hash 141429523, now seen corresponding path program 1 times [2024-11-08 22:54:03,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:54:03,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861809306] [2024-11-08 22:54:03,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:54:03,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:54:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:08,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:54:08,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:08,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 22:54:08,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:08,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 22:54:08,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:08,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 22:54:08,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:08,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 22:54:08,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:08,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 22:54:08,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:08,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 22:54:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:08,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 22:54:08,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:08,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 22:54:08,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:08,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 22:54:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:08,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 22:54:08,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:08,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 22:54:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:08,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 22:54:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:08,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 22:54:08,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:08,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:54:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:08,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 22:54:08,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:08,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 22:54:08,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:08,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 22:54:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:08,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 22:54:08,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:08,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 22:54:08,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:08,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 22:54:08,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:08,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 22:54:08,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:08,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 22:54:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:08,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 22:54:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:08,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 22:54:08,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:08,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 22:54:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:08,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-08 22:54:08,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:54:08,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861809306] [2024-11-08 22:54:08,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861809306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:54:08,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:54:08,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-08 22:54:08,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259760870] [2024-11-08 22:54:08,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:54:08,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 22:54:08,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:54:08,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 22:54:08,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-08 22:54:08,400 INFO L87 Difference]: Start difference. First operand 177 states and 263 transitions. Second operand has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 13 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-08 22:54:09,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:54:09,799 INFO L93 Difference]: Finished difference Result 407 states and 589 transitions. [2024-11-08 22:54:09,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 22:54:09,803 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 13 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 164 [2024-11-08 22:54:09,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:54:09,805 INFO L225 Difference]: With dead ends: 407 [2024-11-08 22:54:09,805 INFO L226 Difference]: Without dead ends: 299 [2024-11-08 22:54:09,806 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2024-11-08 22:54:09,806 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 467 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 22:54:09,807 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 572 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 22:54:09,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-08 22:54:09,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 178. [2024-11-08 22:54:09,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 121 states have (on average 1.3305785123966942) internal successors, (161), 121 states have internal predecessors, (161), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-08 22:54:09,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 265 transitions. [2024-11-08 22:54:09,823 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 265 transitions. Word has length 164 [2024-11-08 22:54:09,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:54:09,823 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 265 transitions. [2024-11-08 22:54:09,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 13 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-08 22:54:09,823 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 265 transitions. [2024-11-08 22:54:09,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-08 22:54:09,825 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:54:09,825 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 22:54:09,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 22:54:09,825 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:54:09,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:54:09,826 INFO L85 PathProgramCache]: Analyzing trace with hash -251597487, now seen corresponding path program 1 times [2024-11-08 22:54:09,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:54:09,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146998216] [2024-11-08 22:54:09,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:54:09,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:54:09,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:14,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 22:54:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:14,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 22:54:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:14,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 22:54:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:14,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 22:54:14,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:14,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 22:54:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:14,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 22:54:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:14,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 22:54:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:14,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 22:54:14,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:14,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 22:54:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:14,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 22:54:14,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:14,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 22:54:14,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:14,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 22:54:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:14,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 22:54:14,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:14,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 22:54:14,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:14,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 22:54:14,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:14,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 22:54:14,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:14,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 22:54:14,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:14,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 22:54:14,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:14,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 22:54:14,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:14,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 22:54:14,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:14,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 22:54:14,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:14,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 22:54:14,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:14,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 22:54:14,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:14,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 22:54:14,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:14,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 22:54:14,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:14,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 22:54:14,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:14,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-08 22:54:14,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 22:54:14,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146998216] [2024-11-08 22:54:14,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146998216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 22:54:14,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 22:54:14,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 22:54:14,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082147308] [2024-11-08 22:54:14,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 22:54:14,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 22:54:14,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 22:54:14,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 22:54:14,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-08 22:54:14,738 INFO L87 Difference]: Start difference. First operand 178 states and 265 transitions. Second operand has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-08 22:54:15,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 22:54:15,972 INFO L93 Difference]: Finished difference Result 396 states and 573 transitions. [2024-11-08 22:54:15,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 22:54:15,973 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 164 [2024-11-08 22:54:15,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 22:54:15,975 INFO L225 Difference]: With dead ends: 396 [2024-11-08 22:54:15,975 INFO L226 Difference]: Without dead ends: 288 [2024-11-08 22:54:15,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 55 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=110, Invalid=310, Unknown=0, NotChecked=0, Total=420 [2024-11-08 22:54:15,976 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 287 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 22:54:15,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 560 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 22:54:15,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2024-11-08 22:54:15,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 177. [2024-11-08 22:54:15,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 120 states have (on average 1.325) internal successors, (159), 120 states have internal predecessors, (159), 52 states have call successors, (52), 4 states have call predecessors, (52), 4 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-08 22:54:15,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 263 transitions. [2024-11-08 22:54:15,990 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 263 transitions. Word has length 164 [2024-11-08 22:54:15,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 22:54:15,990 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 263 transitions. [2024-11-08 22:54:15,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-08 22:54:15,990 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 263 transitions. [2024-11-08 22:54:15,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-08 22:54:15,991 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 22:54:15,991 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 22:54:15,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 22:54:15,991 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 22:54:15,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:54:15,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1570752305, now seen corresponding path program 1 times [2024-11-08 22:54:15,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 22:54:15,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901669529] [2024-11-08 22:54:15,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 22:54:15,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:54:16,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat