./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-64.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-64.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d7d4fb25fbc803f31b02941dc47e3673e8088bde62ceff791efc59ea770812ad --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 02:34:20,548 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 02:34:20,624 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 02:34:20,630 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 02:34:20,631 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 02:34:20,681 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 02:34:20,682 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 02:34:20,682 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 02:34:20,683 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 02:34:20,684 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 02:34:20,684 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 02:34:20,684 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 02:34:20,685 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 02:34:20,687 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 02:34:20,688 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 02:34:20,688 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 02:34:20,689 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 02:34:20,689 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 02:34:20,689 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 02:34:20,690 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 02:34:20,694 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 02:34:20,695 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 02:34:20,695 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 02:34:20,695 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 02:34:20,695 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 02:34:20,696 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 02:34:20,696 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 02:34:20,696 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 02:34:20,696 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 02:34:20,697 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 02:34:20,697 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 02:34:20,697 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 02:34:20,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 02:34:20,698 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 02:34:20,698 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 02:34:20,698 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 02:34:20,699 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 02:34:20,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 02:34:20,700 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 02:34:20,700 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 02:34:20,701 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 02:34:20,701 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 02:34:20,701 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7d4fb25fbc803f31b02941dc47e3673e8088bde62ceff791efc59ea770812ad [2024-10-13 02:34:20,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 02:34:21,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 02:34:21,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 02:34:21,010 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 02:34:21,010 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 02:34:21,012 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-64.i [2024-10-13 02:34:22,529 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 02:34:22,756 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 02:34:22,756 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-64.i [2024-10-13 02:34:22,766 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d20b9015/a45c1deca7f24a85be7c6e7c5aa9c770/FLAGe1f384075 [2024-10-13 02:34:22,784 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d20b9015/a45c1deca7f24a85be7c6e7c5aa9c770 [2024-10-13 02:34:22,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 02:34:22,790 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 02:34:22,792 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 02:34:22,792 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 02:34:22,797 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 02:34:22,798 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 02:34:22" (1/1) ... [2024-10-13 02:34:22,799 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64b9a617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:34:22, skipping insertion in model container [2024-10-13 02:34:22,799 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 02:34:22" (1/1) ... [2024-10-13 02:34:22,832 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 02:34:23,009 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-64.i[919,932] [2024-10-13 02:34:23,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 02:34:23,140 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 02:34:23,154 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-64.i[919,932] [2024-10-13 02:34:23,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 02:34:23,229 INFO L204 MainTranslator]: Completed translation [2024-10-13 02:34:23,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:34:23 WrapperNode [2024-10-13 02:34:23,230 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 02:34:23,232 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 02:34:23,232 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 02:34:23,232 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 02:34:23,239 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:34:23" (1/1) ... [2024-10-13 02:34:23,253 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:34:23" (1/1) ... [2024-10-13 02:34:23,294 INFO L138 Inliner]: procedures = 26, calls = 51, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 246 [2024-10-13 02:34:23,294 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 02:34:23,299 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 02:34:23,299 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 02:34:23,300 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 02:34:23,316 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:34:23" (1/1) ... [2024-10-13 02:34:23,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:34:23" (1/1) ... [2024-10-13 02:34:23,324 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:34:23" (1/1) ... [2024-10-13 02:34:23,348 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 02:34:23,349 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:34:23" (1/1) ... [2024-10-13 02:34:23,349 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:34:23" (1/1) ... [2024-10-13 02:34:23,357 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:34:23" (1/1) ... [2024-10-13 02:34:23,361 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:34:23" (1/1) ... [2024-10-13 02:34:23,366 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:34:23" (1/1) ... [2024-10-13 02:34:23,368 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:34:23" (1/1) ... [2024-10-13 02:34:23,371 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 02:34:23,372 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 02:34:23,372 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 02:34:23,372 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 02:34:23,373 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:34:23" (1/1) ... [2024-10-13 02:34:23,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 02:34:23,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 02:34:23,419 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 02:34:23,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 02:34:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 02:34:23,471 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 02:34:23,472 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 02:34:23,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 02:34:23,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 02:34:23,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 02:34:23,577 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 02:34:23,579 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 02:34:23,984 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-10-13 02:34:23,985 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 02:34:24,029 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 02:34:24,030 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 02:34:24,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:34:24 BoogieIcfgContainer [2024-10-13 02:34:24,030 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 02:34:24,033 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 02:34:24,033 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 02:34:24,036 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 02:34:24,037 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 02:34:22" (1/3) ... [2024-10-13 02:34:24,038 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4475e993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 02:34:24, skipping insertion in model container [2024-10-13 02:34:24,038 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:34:23" (2/3) ... [2024-10-13 02:34:24,039 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4475e993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 02:34:24, skipping insertion in model container [2024-10-13 02:34:24,039 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:34:24" (3/3) ... [2024-10-13 02:34:24,040 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-64.i [2024-10-13 02:34:24,058 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 02:34:24,058 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 02:34:24,122 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 02:34:24,129 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;@7e14eee9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 02:34:24,129 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 02:34:24,133 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 57 states have (on average 1.4385964912280702) internal successors, (82), 58 states have internal predecessors, (82), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-13 02:34:24,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-10-13 02:34:24,152 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:34:24,153 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:34:24,154 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:34:24,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:34:24,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1462605999, now seen corresponding path program 1 times [2024-10-13 02:34:24,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:34:24,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195564482] [2024-10-13 02:34:24,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:34:24,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:34:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:34:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:34:24,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:34:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:34:24,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:34:24,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:34:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:34:24,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:34:24,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:34:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:34:24,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:34:24,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:34:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:34:24,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:34:24,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:34:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:34:24,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:34:24,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:34:24,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:34:24,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:34:24,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:34:24,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:34:24,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 02:34:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:34:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 02:34:24,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:34:24,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:34:24,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 02:34:24,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 02:34:24,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 02:34:24,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 02:34:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 02:34:24,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 02:34:24,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 02:34:24,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 02:34:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 02:34:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 02:34:24,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-13 02:34:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:24,850 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-13 02:34:24,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:34:24,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195564482] [2024-10-13 02:34:24,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195564482] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:34:24,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:34:24,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 02:34:24,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604869347] [2024-10-13 02:34:24,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:34:24,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 02:34:24,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:34:24,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 02:34:24,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 02:34:24,891 INFO L87 Difference]: Start difference. First operand has 98 states, 57 states have (on average 1.4385964912280702) internal successors, (82), 58 states have internal predecessors, (82), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) [2024-10-13 02:34:24,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:34:24,948 INFO L93 Difference]: Finished difference Result 193 states and 352 transitions. [2024-10-13 02:34:24,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 02:34:24,951 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) Word has length 233 [2024-10-13 02:34:24,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:34:24,961 INFO L225 Difference]: With dead ends: 193 [2024-10-13 02:34:24,962 INFO L226 Difference]: Without dead ends: 96 [2024-10-13 02:34:24,967 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 02:34:24,972 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 02:34:24,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 149 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 02:34:24,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-10-13 02:34:25,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-10-13 02:34:25,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 56 states have (on average 1.375) internal successors, (77), 56 states have internal predecessors, (77), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-13 02:34:25,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 153 transitions. [2024-10-13 02:34:25,046 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 153 transitions. Word has length 233 [2024-10-13 02:34:25,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:34:25,047 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 153 transitions. [2024-10-13 02:34:25,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) [2024-10-13 02:34:25,048 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 153 transitions. [2024-10-13 02:34:25,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-10-13 02:34:25,053 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:34:25,054 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:34:25,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 02:34:25,055 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:34:25,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:34:25,056 INFO L85 PathProgramCache]: Analyzing trace with hash 770785707, now seen corresponding path program 1 times [2024-10-13 02:34:25,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:34:25,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866453773] [2024-10-13 02:34:25,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:34:25,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:34:25,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:25,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:34:25,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:25,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:34:25,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:25,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:34:25,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:25,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:34:25,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:25,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:34:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:25,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:34:25,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:25,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:34:25,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:25,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:34:25,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:25,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:34:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:25,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:34:25,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:25,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:34:25,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:25,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:34:25,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:25,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:34:25,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:25,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:34:25,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:25,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:34:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:25,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:34:25,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:25,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:34:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:25,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:34:25,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:25,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:34:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:25,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:34:25,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:25,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:34:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:25,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:34:25,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:25,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 02:34:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:25,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:34:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:25,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 02:34:25,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:25,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:34:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:25,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:34:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:25,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 02:34:25,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:25,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 02:34:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:25,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 02:34:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:25,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 02:34:25,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:25,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 02:34:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:25,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 02:34:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:25,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 02:34:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:25,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 02:34:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:25,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 02:34:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:25,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 02:34:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:25,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-13 02:34:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:25,859 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-13 02:34:25,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:34:25,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866453773] [2024-10-13 02:34:25,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866453773] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:34:25,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:34:25,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 02:34:25,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408208609] [2024-10-13 02:34:25,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:34:25,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 02:34:25,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:34:25,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 02:34:25,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 02:34:25,866 INFO L87 Difference]: Start difference. First operand 96 states and 153 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 02:34:26,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:34:26,299 INFO L93 Difference]: Finished difference Result 297 states and 469 transitions. [2024-10-13 02:34:26,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 02:34:26,300 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 233 [2024-10-13 02:34:26,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:34:26,307 INFO L225 Difference]: With dead ends: 297 [2024-10-13 02:34:26,307 INFO L226 Difference]: Without dead ends: 202 [2024-10-13 02:34:26,309 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-13 02:34:26,310 INFO L432 NwaCegarLoop]: 261 mSDtfsCounter, 166 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 697 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 02:34:26,311 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 697 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 02:34:26,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2024-10-13 02:34:26,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 106. [2024-10-13 02:34:26,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 66 states have (on average 1.393939393939394) internal successors, (92), 66 states have internal predecessors, (92), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-13 02:34:26,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 168 transitions. [2024-10-13 02:34:26,333 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 168 transitions. Word has length 233 [2024-10-13 02:34:26,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:34:26,335 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 168 transitions. [2024-10-13 02:34:26,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 02:34:26,336 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 168 transitions. [2024-10-13 02:34:26,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-10-13 02:34:26,339 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:34:26,339 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:34:26,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 02:34:26,340 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:34:26,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:34:26,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1450844077, now seen corresponding path program 1 times [2024-10-13 02:34:26,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:34:26,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355187239] [2024-10-13 02:34:26,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:34:26,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:34:26,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:34:26,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:34:26,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:34:26,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:34:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:34:26,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:34:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:34:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:34:26,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:34:26,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:34:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:34:26,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:34:26,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:34:26,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:34:26,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:34:26,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:34:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:34:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:34:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:34:26,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:34:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:34:26,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:34:26,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 02:34:26,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:34:26,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 02:34:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:34:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:34:26,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 02:34:26,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 02:34:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 02:34:26,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 02:34:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 02:34:26,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 02:34:26,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 02:34:26,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 02:34:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 02:34:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 02:34:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-13 02:34:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:26,723 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-13 02:34:26,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:34:26,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355187239] [2024-10-13 02:34:26,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355187239] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:34:26,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:34:26,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 02:34:26,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92288731] [2024-10-13 02:34:26,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:34:26,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 02:34:26,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:34:26,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 02:34:26,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 02:34:26,730 INFO L87 Difference]: Start difference. First operand 106 states and 168 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 02:34:26,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:34:26,970 INFO L93 Difference]: Finished difference Result 307 states and 482 transitions. [2024-10-13 02:34:26,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 02:34:26,971 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 233 [2024-10-13 02:34:26,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:34:26,974 INFO L225 Difference]: With dead ends: 307 [2024-10-13 02:34:26,974 INFO L226 Difference]: Without dead ends: 202 [2024-10-13 02:34:26,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-13 02:34:26,976 INFO L432 NwaCegarLoop]: 283 mSDtfsCounter, 155 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 881 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 02:34:26,977 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 881 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 02:34:26,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2024-10-13 02:34:26,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 106. [2024-10-13 02:34:26,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 66 states have (on average 1.393939393939394) internal successors, (92), 66 states have internal predecessors, (92), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-13 02:34:26,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 168 transitions. [2024-10-13 02:34:26,994 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 168 transitions. Word has length 233 [2024-10-13 02:34:26,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:34:26,996 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 168 transitions. [2024-10-13 02:34:26,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 02:34:26,997 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 168 transitions. [2024-10-13 02:34:27,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-10-13 02:34:27,003 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:34:27,003 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:34:27,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 02:34:27,003 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:34:27,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:34:27,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1918911147, now seen corresponding path program 1 times [2024-10-13 02:34:27,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:34:27,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685324647] [2024-10-13 02:34:27,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:34:27,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:34:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:34:27,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:34:27,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:34:27,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:34:27,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:34:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:34:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:34:27,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:34:27,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:34:27,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:34:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:34:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:34:27,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:34:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:34:27,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:34:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:34:27,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:34:27,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:34:27,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:34:27,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:34:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:34:27,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:34:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 02:34:27,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:34:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 02:34:27,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:34:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:34:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 02:34:27,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 02:34:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 02:34:27,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 02:34:27,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 02:34:27,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 02:34:27,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 02:34:27,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 02:34:27,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 02:34:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 02:34:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-13 02:34:27,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,208 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-13 02:34:27,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:34:27,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685324647] [2024-10-13 02:34:27,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685324647] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:34:27,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:34:27,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 02:34:27,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664147938] [2024-10-13 02:34:27,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:34:27,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 02:34:27,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:34:27,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 02:34:27,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 02:34:27,213 INFO L87 Difference]: Start difference. First operand 106 states and 168 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 02:34:27,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:34:27,272 INFO L93 Difference]: Finished difference Result 314 states and 498 transitions. [2024-10-13 02:34:27,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 02:34:27,273 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 233 [2024-10-13 02:34:27,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:34:27,275 INFO L225 Difference]: With dead ends: 314 [2024-10-13 02:34:27,275 INFO L226 Difference]: Without dead ends: 209 [2024-10-13 02:34:27,280 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 02:34:27,281 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 136 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 02:34:27,282 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 377 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 02:34:27,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-10-13 02:34:27,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 121. [2024-10-13 02:34:27,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 81 states have (on average 1.4567901234567902) internal successors, (118), 81 states have internal predecessors, (118), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-13 02:34:27,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 194 transitions. [2024-10-13 02:34:27,311 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 194 transitions. Word has length 233 [2024-10-13 02:34:27,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:34:27,312 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 194 transitions. [2024-10-13 02:34:27,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 02:34:27,312 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 194 transitions. [2024-10-13 02:34:27,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-10-13 02:34:27,317 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:34:27,318 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:34:27,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 02:34:27,318 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:34:27,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:34:27,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1695997779, now seen corresponding path program 1 times [2024-10-13 02:34:27,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:34:27,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191410114] [2024-10-13 02:34:27,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:34:27,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:34:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:34:27,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:34:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:34:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:34:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:34:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:34:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:34:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:34:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:34:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:34:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:34:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:34:27,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:34:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:34:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:34:27,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:34:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:34:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:34:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:34:27,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:34:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:34:27,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:34:27,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 02:34:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:34:27,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 02:34:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:34:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:34:27,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 02:34:27,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 02:34:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 02:34:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 02:34:27,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 02:34:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 02:34:27,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 02:34:27,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 02:34:27,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 02:34:27,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 02:34:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-13 02:34:27,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:27,700 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-13 02:34:27,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:34:27,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191410114] [2024-10-13 02:34:27,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191410114] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:34:27,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:34:27,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 02:34:27,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979206947] [2024-10-13 02:34:27,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:34:27,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 02:34:27,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:34:27,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 02:34:27,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-13 02:34:27,702 INFO L87 Difference]: Start difference. First operand 121 states and 194 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 02:34:28,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:34:28,107 INFO L93 Difference]: Finished difference Result 400 states and 632 transitions. [2024-10-13 02:34:28,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 02:34:28,108 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 233 [2024-10-13 02:34:28,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:34:28,113 INFO L225 Difference]: With dead ends: 400 [2024-10-13 02:34:28,114 INFO L226 Difference]: Without dead ends: 280 [2024-10-13 02:34:28,115 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-13 02:34:28,115 INFO L432 NwaCegarLoop]: 350 mSDtfsCounter, 286 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 988 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 02:34:28,116 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 988 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 02:34:28,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-10-13 02:34:28,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 121. [2024-10-13 02:34:28,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 81 states have (on average 1.4567901234567902) internal successors, (118), 81 states have internal predecessors, (118), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-13 02:34:28,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 194 transitions. [2024-10-13 02:34:28,137 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 194 transitions. Word has length 233 [2024-10-13 02:34:28,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:34:28,137 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 194 transitions. [2024-10-13 02:34:28,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 02:34:28,138 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 194 transitions. [2024-10-13 02:34:28,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-10-13 02:34:28,140 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:34:28,140 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:34:28,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 02:34:28,141 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:34:28,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:34:28,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1101262697, now seen corresponding path program 1 times [2024-10-13 02:34:28,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:34:28,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176544487] [2024-10-13 02:34:28,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:34:28,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:34:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:34:28,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:34:28,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:34:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:34:28,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:34:28,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:34:28,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:34:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:34:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:34:28,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:34:28,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:34:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:34:28,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:34:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:34:28,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:34:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:34:28,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:34:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:34:28,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:34:28,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:34:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:34:28,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:34:28,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 02:34:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:34:28,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 02:34:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:34:28,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:34:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 02:34:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 02:34:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 02:34:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 02:34:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 02:34:28,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 02:34:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 02:34:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 02:34:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 02:34:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 02:34:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-13 02:34:28,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:28,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-13 02:34:28,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:34:28,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176544487] [2024-10-13 02:34:28,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176544487] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:34:28,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:34:28,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 02:34:28,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105928410] [2024-10-13 02:34:28,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:34:28,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 02:34:28,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:34:28,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 02:34:28,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 02:34:28,493 INFO L87 Difference]: Start difference. First operand 121 states and 194 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 02:34:28,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:34:28,741 INFO L93 Difference]: Finished difference Result 413 states and 656 transitions. [2024-10-13 02:34:28,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 02:34:28,742 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 233 [2024-10-13 02:34:28,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:34:28,747 INFO L225 Difference]: With dead ends: 413 [2024-10-13 02:34:28,747 INFO L226 Difference]: Without dead ends: 293 [2024-10-13 02:34:28,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-13 02:34:28,750 INFO L432 NwaCegarLoop]: 264 mSDtfsCounter, 250 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 695 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 02:34:28,751 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 695 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 02:34:28,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-10-13 02:34:28,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 121. [2024-10-13 02:34:28,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 81 states have (on average 1.4567901234567902) internal successors, (118), 81 states have internal predecessors, (118), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-13 02:34:28,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 194 transitions. [2024-10-13 02:34:28,778 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 194 transitions. Word has length 233 [2024-10-13 02:34:28,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:34:28,779 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 194 transitions. [2024-10-13 02:34:28,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 02:34:28,779 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 194 transitions. [2024-10-13 02:34:28,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-10-13 02:34:28,781 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:34:28,782 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:34:28,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 02:34:28,782 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:34:28,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:34:28,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1781321067, now seen corresponding path program 1 times [2024-10-13 02:34:28,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:34:28,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589277456] [2024-10-13 02:34:28,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:34:28,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:34:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 02:34:29,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 02:34:29,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 02:34:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 02:34:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 02:34:29,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 02:34:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 02:34:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 02:34:29,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 02:34:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 02:34:29,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 02:34:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 02:34:29,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 02:34:29,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 02:34:29,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 02:34:29,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 02:34:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 02:34:29,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 02:34:29,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 02:34:29,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 02:34:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 02:34:29,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 02:34:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 02:34:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 02:34:29,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 02:34:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 02:34:29,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-13 02:34:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 02:34:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 02:34:29,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 02:34:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 02:34:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 02:34:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 02:34:29,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 02:34:29,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 02:34:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-13 02:34:29,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 02:34:29,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-13 02:34:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 02:34:29,097 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-13 02:34:29,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 02:34:29,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589277456] [2024-10-13 02:34:29,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589277456] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 02:34:29,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 02:34:29,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 02:34:29,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852960822] [2024-10-13 02:34:29,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 02:34:29,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 02:34:29,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 02:34:29,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 02:34:29,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 02:34:29,099 INFO L87 Difference]: Start difference. First operand 121 states and 194 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 02:34:29,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 02:34:29,329 INFO L93 Difference]: Finished difference Result 413 states and 655 transitions. [2024-10-13 02:34:29,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 02:34:29,330 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 233 [2024-10-13 02:34:29,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 02:34:29,332 INFO L225 Difference]: With dead ends: 413 [2024-10-13 02:34:29,333 INFO L226 Difference]: Without dead ends: 293 [2024-10-13 02:34:29,333 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-13 02:34:29,334 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 249 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 685 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 02:34:29,334 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 685 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 02:34:29,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-10-13 02:34:29,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 115. [2024-10-13 02:34:29,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 75 states have (on average 1.44) internal successors, (108), 75 states have internal predecessors, (108), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-13 02:34:29,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 184 transitions. [2024-10-13 02:34:29,347 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 184 transitions. Word has length 233 [2024-10-13 02:34:29,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 02:34:29,348 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 184 transitions. [2024-10-13 02:34:29,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-13 02:34:29,348 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 184 transitions. [2024-10-13 02:34:29,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2024-10-13 02:34:29,350 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 02:34:29,350 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 02:34:29,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 02:34:29,351 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 02:34:29,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 02:34:29,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1598949296, now seen corresponding path program 1 times [2024-10-13 02:34:29,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 02:34:29,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001965891] [2024-10-13 02:34:29,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 02:34:29,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 02:34:29,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat