./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 61a67961 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-wip.fs.cvc5-61a6796-m [2024-10-14 10:01:31,648 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 10:01:31,710 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 10:01:31,716 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 10:01:31,717 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 10:01:31,741 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 10:01:31,742 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 10:01:31,742 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 10:01:31,743 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 10:01:31,744 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 10:01:31,745 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 10:01:31,745 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 10:01:31,746 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 10:01:31,748 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 10:01:31,748 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 10:01:31,749 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 10:01:31,749 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 10:01:31,749 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 10:01:31,749 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 10:01:31,750 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 10:01:31,750 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 10:01:31,750 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 10:01:31,751 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 10:01:31,751 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 10:01:31,751 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 10:01:31,752 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 10:01:31,752 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 10:01:31,752 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 10:01:31,752 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 10:01:31,753 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 10:01:31,753 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 10:01:31,753 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 10:01:31,754 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 10:01:31,754 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 10:01:31,755 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 10:01:31,755 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 10:01:31,755 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 10:01:31,755 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 10:01:31,756 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 10:01:31,756 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 10:01:31,756 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 10:01:31,757 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 10:01:31,757 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7d4fb25fbc803f31b02941dc47e3673e8088bde62ceff791efc59ea770812ad [2024-10-14 10:01:32,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 10:01:32,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 10:01:32,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 10:01:32,042 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 10:01:32,042 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 10:01:32,043 INFO L431 ainManager$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 [2024-10-14 10:01:33,361 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 10:01:33,531 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 10:01:33,531 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-64.i [2024-10-14 10:01:33,544 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1d95e467/3d81e40dc4324a94b2742c7f167cd573/FLAG484fb70a9 [2024-10-14 10:01:33,928 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1d95e467/3d81e40dc4324a94b2742c7f167cd573 [2024-10-14 10:01:33,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 10:01:33,932 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 10:01:33,936 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 10:01:33,937 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 10:01:33,941 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 10:01:33,942 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:01:33" (1/1) ... [2024-10-14 10:01:33,942 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@782482c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:33, skipping insertion in model container [2024-10-14 10:01:33,942 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:01:33" (1/1) ... [2024-10-14 10:01:33,994 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 10:01:34,145 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] [2024-10-14 10:01:34,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 10:01:34,257 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 10:01:34,269 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] [2024-10-14 10:01:34,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 10:01:34,331 INFO L204 MainTranslator]: Completed translation [2024-10-14 10:01:34,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:34 WrapperNode [2024-10-14 10:01:34,332 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 10:01:34,333 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 10:01:34,333 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 10:01:34,333 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 10:01:34,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:34" (1/1) ... [2024-10-14 10:01:34,350 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:34" (1/1) ... [2024-10-14 10:01:34,386 INFO L138 Inliner]: procedures = 26, calls = 51, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 246 [2024-10-14 10:01:34,387 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 10:01:34,387 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 10:01:34,387 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 10:01:34,387 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 10:01:34,398 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:34" (1/1) ... [2024-10-14 10:01:34,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:34" (1/1) ... [2024-10-14 10:01:34,401 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:34" (1/1) ... [2024-10-14 10:01:34,415 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]. [2024-10-14 10:01:34,415 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:34" (1/1) ... [2024-10-14 10:01:34,416 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:34" (1/1) ... [2024-10-14 10:01:34,424 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:34" (1/1) ... [2024-10-14 10:01:34,429 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:34" (1/1) ... [2024-10-14 10:01:34,431 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:34" (1/1) ... [2024-10-14 10:01:34,432 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:34" (1/1) ... [2024-10-14 10:01:34,435 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 10:01:34,436 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 10:01:34,436 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 10:01:34,436 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 10:01:34,437 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:34" (1/1) ... [2024-10-14 10:01:34,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 10:01:34,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 10:01:34,473 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) [2024-10-14 10:01:34,489 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 [2024-10-14 10:01:34,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 10:01:34,540 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 10:01:34,541 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 10:01:34,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 10:01:34,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 10:01:34,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 10:01:34,627 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 10:01:34,629 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 10:01:34,962 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-10-14 10:01:34,962 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 10:01:35,035 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 10:01:35,036 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 10:01:35,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:01:35 BoogieIcfgContainer [2024-10-14 10:01:35,036 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 10:01:35,043 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 10:01:35,044 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 10:01:35,047 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 10:01:35,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:01:33" (1/3) ... [2024-10-14 10:01:35,049 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ab3f8b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:01:35, skipping insertion in model container [2024-10-14 10:01:35,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:01:34" (2/3) ... [2024-10-14 10:01:35,051 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ab3f8b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:01:35, skipping insertion in model container [2024-10-14 10:01:35,051 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:01:35" (3/3) ... [2024-10-14 10:01:35,052 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-64.i [2024-10-14 10:01:35,067 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 10:01:35,067 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 10:01:35,142 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 10:01:35,150 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;@12af6019, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 10:01:35,154 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 10:01:35,158 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) [2024-10-14 10:01:35,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-10-14 10:01:35,176 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:01:35,176 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] [2024-10-14 10:01:35,177 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:01:35,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:01:35,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1462605999, now seen corresponding path program 1 times [2024-10-14 10:01:35,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:01:35,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127809304] [2024-10-14 10:01:35,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:01:35,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:01:35,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:01:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:01:35,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:01:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:01:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:01:35,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:01:35,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:01:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:01:35,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:01:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:01:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:01:35,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:01:35,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:01:35,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:01:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:01:35,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:01:35,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:01:35,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:01:35,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 10:01:35,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 10:01:35,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:01:35,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 10:01:35,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 10:01:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 10:01:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 10:01:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:01:35,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 10:01:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 10:01:35,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 10:01:35,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 10:01:35,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 10:01:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 10:01:35,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 10:01:35,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 10:01:35,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-14 10:01:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-14 10:01:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-14 10:01:35,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-14 10:01:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:35,692 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-14 10:01:35,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:01:35,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127809304] [2024-10-14 10:01:35,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127809304] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:01:35,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:01:35,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 10:01:35,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923546007] [2024-10-14 10:01:35,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:01:35,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 10:01:35,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:01:35,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 10:01:35,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 10:01:35,749 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) [2024-10-14 10:01:35,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:01:35,831 INFO L93 Difference]: Finished difference Result 193 states and 352 transitions. [2024-10-14 10:01:35,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 10:01:35,836 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 [2024-10-14 10:01:35,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:01:35,843 INFO L225 Difference]: With dead ends: 193 [2024-10-14 10:01:35,844 INFO L226 Difference]: Without dead ends: 96 [2024-10-14 10:01:35,848 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 [2024-10-14 10:01:35,851 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 [2024-10-14 10:01:35,853 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] [2024-10-14 10:01:35,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-10-14 10:01:35,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-10-14 10:01:35,978 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) [2024-10-14 10:01:35,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 153 transitions. [2024-10-14 10:01:35,991 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 153 transitions. Word has length 233 [2024-10-14 10:01:35,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:01:35,991 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 153 transitions. [2024-10-14 10:01:35,991 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) [2024-10-14 10:01:35,992 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 153 transitions. [2024-10-14 10:01:35,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-10-14 10:01:36,000 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:01:36,000 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] [2024-10-14 10:01:36,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 10:01:36,001 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:01:36,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:01:36,002 INFO L85 PathProgramCache]: Analyzing trace with hash 770785707, now seen corresponding path program 1 times [2024-10-14 10:01:36,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:01:36,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719378904] [2024-10-14 10:01:36,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:01:36,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:01:36,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:01:36,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:01:36,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:01:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:01:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:01:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:01:36,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:01:36,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:01:36,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:01:36,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:01:36,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:01:36,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:01:36,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:01:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:01:36,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:01:36,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:01:36,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:01:36,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:01:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 10:01:36,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 10:01:36,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:01:36,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 10:01:36,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 10:01:36,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 10:01:36,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 10:01:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:01:36,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 10:01:36,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 10:01:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 10:01:36,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 10:01:36,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 10:01:36,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 10:01:36,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 10:01:36,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 10:01:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-14 10:01:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-14 10:01:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-14 10:01:36,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-14 10:01:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:36,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-14 10:01:36,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:01:36,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719378904] [2024-10-14 10:01:36,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719378904] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:01:36,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:01:36,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 10:01:36,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837552782] [2024-10-14 10:01:36,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:01:36,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 10:01:36,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:01:36,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 10:01:36,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 10:01:36,576 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) [2024-10-14 10:01:36,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:01:36,832 INFO L93 Difference]: Finished difference Result 297 states and 469 transitions. [2024-10-14 10:01:36,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 10:01:36,832 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 [2024-10-14 10:01:36,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:01:36,835 INFO L225 Difference]: With dead ends: 297 [2024-10-14 10:01:36,835 INFO L226 Difference]: Without dead ends: 202 [2024-10-14 10:01:36,836 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 [2024-10-14 10:01:36,837 INFO L432 NwaCegarLoop]: 261 mSDtfsCounter, 166 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 10:01:36,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 697 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 10:01:36,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2024-10-14 10:01:36,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 106. [2024-10-14 10:01:36,857 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) [2024-10-14 10:01:36,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 168 transitions. [2024-10-14 10:01:36,858 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 168 transitions. Word has length 233 [2024-10-14 10:01:36,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:01:36,864 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 168 transitions. [2024-10-14 10:01:36,864 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) [2024-10-14 10:01:36,864 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 168 transitions. [2024-10-14 10:01:36,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-10-14 10:01:36,870 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:01:36,870 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] [2024-10-14 10:01:36,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 10:01:36,871 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:01:36,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:01:36,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1450844077, now seen corresponding path program 1 times [2024-10-14 10:01:36,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:01:36,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110600198] [2024-10-14 10:01:36,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:01:36,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:01:36,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:01:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:01:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:01:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:01:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:01:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:01:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:01:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:01:37,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:01:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:01:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:01:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:01:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:01:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:01:37,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:01:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:01:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:01:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:01:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 10:01:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 10:01:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:01:37,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 10:01:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 10:01:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 10:01:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 10:01:37,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:01:37,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 10:01:37,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 10:01:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 10:01:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 10:01:37,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 10:01:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 10:01:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 10:01:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 10:01:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-14 10:01:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-14 10:01:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-14 10:01:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-14 10:01:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,271 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-14 10:01:37,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:01:37,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110600198] [2024-10-14 10:01:37,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110600198] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:01:37,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:01:37,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 10:01:37,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748097162] [2024-10-14 10:01:37,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:01:37,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 10:01:37,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:01:37,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 10:01:37,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 10:01:37,274 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) [2024-10-14 10:01:37,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:01:37,459 INFO L93 Difference]: Finished difference Result 307 states and 482 transitions. [2024-10-14 10:01:37,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 10:01:37,459 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 [2024-10-14 10:01:37,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:01:37,463 INFO L225 Difference]: With dead ends: 307 [2024-10-14 10:01:37,465 INFO L226 Difference]: Without dead ends: 202 [2024-10-14 10:01:37,466 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 [2024-10-14 10:01:37,467 INFO L432 NwaCegarLoop]: 283 mSDtfsCounter, 155 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2024-10-14 10:01:37,467 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] [2024-10-14 10:01:37,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2024-10-14 10:01:37,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 106. [2024-10-14 10:01:37,484 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) [2024-10-14 10:01:37,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 168 transitions. [2024-10-14 10:01:37,486 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 168 transitions. Word has length 233 [2024-10-14 10:01:37,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:01:37,488 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 168 transitions. [2024-10-14 10:01:37,488 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) [2024-10-14 10:01:37,488 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 168 transitions. [2024-10-14 10:01:37,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-10-14 10:01:37,491 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:01:37,492 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] [2024-10-14 10:01:37,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 10:01:37,492 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:01:37,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:01:37,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1918911147, now seen corresponding path program 1 times [2024-10-14 10:01:37,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:01:37,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175730020] [2024-10-14 10:01:37,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:01:37,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:01:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:01:37,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:01:37,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:01:37,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:01:37,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:01:37,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:01:37,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:01:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:01:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:01:37,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:01:37,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:01:37,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:01:37,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:01:37,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:01:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:01:37,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:01:37,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:01:37,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:01:37,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 10:01:37,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 10:01:37,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:01:37,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 10:01:37,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 10:01:37,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 10:01:37,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 10:01:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:01:37,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 10:01:37,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 10:01:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 10:01:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 10:01:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 10:01:37,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 10:01:37,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 10:01:37,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 10:01:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-14 10:01:37,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-14 10:01:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-14 10:01:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-14 10:01:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,651 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-14 10:01:37,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:01:37,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175730020] [2024-10-14 10:01:37,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175730020] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:01:37,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:01:37,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 10:01:37,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695318222] [2024-10-14 10:01:37,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:01:37,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 10:01:37,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:01:37,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 10:01:37,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 10:01:37,654 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) [2024-10-14 10:01:37,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:01:37,699 INFO L93 Difference]: Finished difference Result 314 states and 498 transitions. [2024-10-14 10:01:37,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 10:01:37,699 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 [2024-10-14 10:01:37,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:01:37,703 INFO L225 Difference]: With dead ends: 314 [2024-10-14 10:01:37,704 INFO L226 Difference]: Without dead ends: 209 [2024-10-14 10:01:37,705 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 [2024-10-14 10:01:37,705 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 [2024-10-14 10:01:37,706 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] [2024-10-14 10:01:37,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-10-14 10:01:37,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 121. [2024-10-14 10:01:37,722 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) [2024-10-14 10:01:37,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 194 transitions. [2024-10-14 10:01:37,724 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 194 transitions. Word has length 233 [2024-10-14 10:01:37,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:01:37,725 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 194 transitions. [2024-10-14 10:01:37,725 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) [2024-10-14 10:01:37,725 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 194 transitions. [2024-10-14 10:01:37,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-10-14 10:01:37,727 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:01:37,727 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] [2024-10-14 10:01:37,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 10:01:37,728 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:01:37,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:01:37,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1695997779, now seen corresponding path program 1 times [2024-10-14 10:01:37,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:01:37,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222936834] [2024-10-14 10:01:37,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:01:37,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:01:37,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:01:37,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:01:37,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:01:37,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:01:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:01:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:01:37,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:01:37,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:01:37,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:01:37,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:01:37,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:37,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:01:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:01:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:01:38,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:01:38,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:01:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:01:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:01:38,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:01:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 10:01:38,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 10:01:38,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:01:38,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 10:01:38,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 10:01:38,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 10:01:38,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 10:01:38,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:01:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 10:01:38,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 10:01:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 10:01:38,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 10:01:38,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 10:01:38,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 10:01:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 10:01:38,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 10:01:38,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-14 10:01:38,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-14 10:01:38,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-14 10:01:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-14 10:01:38,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,056 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-14 10:01:38,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:01:38,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222936834] [2024-10-14 10:01:38,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222936834] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:01:38,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:01:38,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 10:01:38,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836960486] [2024-10-14 10:01:38,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:01:38,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 10:01:38,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:01:38,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 10:01:38,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-14 10:01:38,060 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) [2024-10-14 10:01:38,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:01:38,392 INFO L93 Difference]: Finished difference Result 400 states and 632 transitions. [2024-10-14 10:01:38,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 10:01:38,393 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 [2024-10-14 10:01:38,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:01:38,396 INFO L225 Difference]: With dead ends: 400 [2024-10-14 10:01:38,397 INFO L226 Difference]: Without dead ends: 280 [2024-10-14 10:01:38,397 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 [2024-10-14 10:01:38,398 INFO L432 NwaCegarLoop]: 350 mSDtfsCounter, 286 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2024-10-14 10:01:38,398 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] [2024-10-14 10:01:38,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-10-14 10:01:38,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 121. [2024-10-14 10:01:38,414 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) [2024-10-14 10:01:38,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 194 transitions. [2024-10-14 10:01:38,415 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 194 transitions. Word has length 233 [2024-10-14 10:01:38,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:01:38,415 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 194 transitions. [2024-10-14 10:01:38,415 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) [2024-10-14 10:01:38,416 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 194 transitions. [2024-10-14 10:01:38,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-10-14 10:01:38,419 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:01:38,419 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] [2024-10-14 10:01:38,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 10:01:38,419 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:01:38,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:01:38,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1101262697, now seen corresponding path program 1 times [2024-10-14 10:01:38,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:01:38,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285554068] [2024-10-14 10:01:38,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:01:38,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:01:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:01:38,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:01:38,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:01:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:01:38,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:01:38,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:01:38,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:01:38,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:01:38,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:01:38,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:01:38,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:01:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:01:38,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:01:38,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:01:38,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:01:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:01:38,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:01:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:01:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 10:01:38,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 10:01:38,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:01:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 10:01:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 10:01:38,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 10:01:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 10:01:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:01:38,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 10:01:38,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 10:01:38,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 10:01:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 10:01:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 10:01:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 10:01:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 10:01:38,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 10:01:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-14 10:01:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-14 10:01:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-14 10:01:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-14 10:01:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:38,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-14 10:01:38,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:01:38,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285554068] [2024-10-14 10:01:38,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285554068] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:01:38,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:01:38,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 10:01:38,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479767224] [2024-10-14 10:01:38,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:01:38,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 10:01:38,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:01:38,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 10:01:38,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 10:01:38,672 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) [2024-10-14 10:01:38,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:01:38,891 INFO L93 Difference]: Finished difference Result 413 states and 656 transitions. [2024-10-14 10:01:38,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 10:01:38,892 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 [2024-10-14 10:01:38,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:01:38,894 INFO L225 Difference]: With dead ends: 413 [2024-10-14 10:01:38,894 INFO L226 Difference]: Without dead ends: 293 [2024-10-14 10:01:38,895 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 [2024-10-14 10:01:38,897 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 [2024-10-14 10:01:38,898 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] [2024-10-14 10:01:38,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-10-14 10:01:38,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 121. [2024-10-14 10:01:38,923 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) [2024-10-14 10:01:38,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 194 transitions. [2024-10-14 10:01:38,924 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 194 transitions. Word has length 233 [2024-10-14 10:01:38,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:01:38,926 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 194 transitions. [2024-10-14 10:01:38,927 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) [2024-10-14 10:01:38,927 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 194 transitions. [2024-10-14 10:01:38,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-10-14 10:01:38,930 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:01:38,930 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] [2024-10-14 10:01:38,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 10:01:38,930 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:01:38,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:01:38,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1781321067, now seen corresponding path program 1 times [2024-10-14 10:01:38,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:01:38,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699161886] [2024-10-14 10:01:38,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:01:38,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:01:38,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:01:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:01:39,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:01:39,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:01:39,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:01:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:01:39,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:01:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:01:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:01:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:01:39,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:01:39,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:01:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:01:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:01:39,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:01:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:01:39,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:01:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:01:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 10:01:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 10:01:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:01:39,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 10:01:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 10:01:39,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 10:01:39,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 10:01:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:01:39,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 10:01:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 10:01:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 10:01:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 10:01:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 10:01:39,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 10:01:39,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 10:01:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 10:01:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-14 10:01:39,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-14 10:01:39,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-14 10:01:39,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-14 10:01:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:39,259 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-14 10:01:39,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:01:39,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699161886] [2024-10-14 10:01:39,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699161886] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:01:39,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:01:39,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 10:01:39,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098699483] [2024-10-14 10:01:39,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:01:39,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 10:01:39,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:01:39,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 10:01:39,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 10:01:39,264 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) [2024-10-14 10:01:39,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:01:39,505 INFO L93 Difference]: Finished difference Result 413 states and 655 transitions. [2024-10-14 10:01:39,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 10:01:39,506 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 [2024-10-14 10:01:39,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:01:39,509 INFO L225 Difference]: With dead ends: 413 [2024-10-14 10:01:39,509 INFO L226 Difference]: Without dead ends: 293 [2024-10-14 10:01:39,510 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 [2024-10-14 10:01:39,511 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 [2024-10-14 10:01:39,513 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] [2024-10-14 10:01:39,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-10-14 10:01:39,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 115. [2024-10-14 10:01:39,528 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) [2024-10-14 10:01:39,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 184 transitions. [2024-10-14 10:01:39,530 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 184 transitions. Word has length 233 [2024-10-14 10:01:39,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:01:39,530 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 184 transitions. [2024-10-14 10:01:39,531 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) [2024-10-14 10:01:39,531 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 184 transitions. [2024-10-14 10:01:39,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2024-10-14 10:01:39,533 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:01:39,533 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] [2024-10-14 10:01:39,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 10:01:39,534 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:01:39,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:01:39,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1598949296, now seen corresponding path program 1 times [2024-10-14 10:01:39,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:01:39,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540435036] [2024-10-14 10:01:39,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:01:39,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:01:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat