./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-pe-co_file-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-3.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 4d296a3302a6844401d5af73ebf4532ddc45e3bc6fc59b524170709cbc547ff4 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 01:57:02,417 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 01:57:02,479 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 01:57:02,486 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 01:57:02,489 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 01:57:02,543 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 01:57:02,546 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 01:57:02,546 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 01:57:02,547 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 01:57:02,548 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 01:57:02,548 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 01:57:02,549 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 01:57:02,549 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 01:57:02,551 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 01:57:02,552 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 01:57:02,552 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 01:57:02,553 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 01:57:02,553 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 01:57:02,553 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 01:57:02,554 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 01:57:02,554 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 01:57:02,558 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 01:57:02,559 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 01:57:02,559 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 01:57:02,559 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 01:57:02,559 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 01:57:02,560 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 01:57:02,560 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 01:57:02,560 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 01:57:02,560 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 01:57:02,561 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 01:57:02,561 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 01:57:02,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 01:57:02,561 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 01:57:02,561 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 01:57:02,562 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 01:57:02,562 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 01:57:02,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 01:57:02,566 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 01:57:02,566 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 01:57:02,566 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 01:57:02,567 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 01:57:02,567 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d296a3302a6844401d5af73ebf4532ddc45e3bc6fc59b524170709cbc547ff4 [2024-10-13 01:57:02,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 01:57:02,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 01:57:02,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 01:57:02,899 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 01:57:02,899 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 01:57:02,900 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-3.i [2024-10-13 01:57:04,460 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 01:57:04,694 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 01:57:04,695 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-3.i [2024-10-13 01:57:04,714 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f392cbfe/e737fba4b62c4390a2b796f4b1423fe4/FLAGc8031b3b0 [2024-10-13 01:57:05,048 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f392cbfe/e737fba4b62c4390a2b796f4b1423fe4 [2024-10-13 01:57:05,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 01:57:05,052 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 01:57:05,053 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 01:57:05,053 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 01:57:05,059 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 01:57:05,059 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:57:05" (1/1) ... [2024-10-13 01:57:05,060 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cd35d3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:57:05, skipping insertion in model container [2024-10-13 01:57:05,061 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:57:05" (1/1) ... [2024-10-13 01:57:05,096 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 01:57:05,271 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-pe-co_file-3.i[918,931] [2024-10-13 01:57:05,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 01:57:05,370 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 01:57:05,382 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-pe-co_file-3.i[918,931] [2024-10-13 01:57:05,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 01:57:05,454 INFO L204 MainTranslator]: Completed translation [2024-10-13 01:57:05,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:57:05 WrapperNode [2024-10-13 01:57:05,455 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 01:57:05,456 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 01:57:05,456 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 01:57:05,456 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 01:57:05,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:57:05" (1/1) ... [2024-10-13 01:57:05,481 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:57:05" (1/1) ... [2024-10-13 01:57:05,535 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 274 [2024-10-13 01:57:05,535 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 01:57:05,536 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 01:57:05,540 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 01:57:05,540 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 01:57:05,552 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:57:05" (1/1) ... [2024-10-13 01:57:05,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:57:05" (1/1) ... [2024-10-13 01:57:05,558 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:57:05" (1/1) ... [2024-10-13 01:57:05,611 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 01:57:05,615 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:57:05" (1/1) ... [2024-10-13 01:57:05,616 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:57:05" (1/1) ... [2024-10-13 01:57:05,636 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:57:05" (1/1) ... [2024-10-13 01:57:05,645 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:57:05" (1/1) ... [2024-10-13 01:57:05,654 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:57:05" (1/1) ... [2024-10-13 01:57:05,660 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:57:05" (1/1) ... [2024-10-13 01:57:05,701 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 01:57:05,707 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 01:57:05,707 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 01:57:05,707 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 01:57:05,709 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:57:05" (1/1) ... [2024-10-13 01:57:05,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 01:57:05,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 01:57:05,759 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 01:57:05,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 01:57:05,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 01:57:05,816 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 01:57:05,816 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 01:57:05,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 01:57:05,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 01:57:05,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 01:57:05,928 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 01:57:05,930 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 01:57:06,552 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-10-13 01:57:06,552 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 01:57:06,596 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 01:57:06,598 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 01:57:06,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:57:06 BoogieIcfgContainer [2024-10-13 01:57:06,598 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 01:57:06,601 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 01:57:06,602 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 01:57:06,605 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 01:57:06,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:57:05" (1/3) ... [2024-10-13 01:57:06,607 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31d578fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:57:06, skipping insertion in model container [2024-10-13 01:57:06,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:57:05" (2/3) ... [2024-10-13 01:57:06,607 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31d578fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:57:06, skipping insertion in model container [2024-10-13 01:57:06,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:57:06" (3/3) ... [2024-10-13 01:57:06,609 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-3.i [2024-10-13 01:57:06,627 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 01:57:06,627 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 01:57:06,701 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 01:57:06,708 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;@37a50051, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 01:57:06,708 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 01:57:06,712 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 80 states have (on average 1.55) internal successors, (124), 81 states have internal predecessors, (124), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-13 01:57:06,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-10-13 01:57:06,726 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:57:06,727 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:57:06,727 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:57:06,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:57:06,733 INFO L85 PathProgramCache]: Analyzing trace with hash -2103560797, now seen corresponding path program 1 times [2024-10-13 01:57:06,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:57:06,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803415140] [2024-10-13 01:57:06,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:57:06,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:57:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:07,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:57:07,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:07,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:57:07,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:07,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:57:07,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:07,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:57:07,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:07,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:57:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:07,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:57:07,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:07,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:57:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:07,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:57:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:07,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:57:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:07,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:57:07,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:07,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:57:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:07,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 01:57:07,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:07,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:57:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:07,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 01:57:07,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:07,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:57:07,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:07,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:57:07,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:07,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:57:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:07,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:57:07,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:07,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:57:07,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:07,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:57:07,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:07,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:57:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:07,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:57:07,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:07,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:57:07,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:07,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:57:07,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:07,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:57:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:07,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:57:07,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:07,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 01:57:07,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:07,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:57:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:07,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 01:57:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:07,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:57:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:07,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 01:57:07,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:07,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:57:07,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:07,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 01:57:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:07,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 01:57:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:07,394 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-13 01:57:07,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:57:07,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803415140] [2024-10-13 01:57:07,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803415140] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:57:07,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:57:07,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 01:57:07,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079223320] [2024-10-13 01:57:07,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:57:07,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 01:57:07,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:57:07,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 01:57:07,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 01:57:07,436 INFO L87 Difference]: Start difference. First operand has 117 states, 80 states have (on average 1.55) internal successors, (124), 81 states have internal predecessors, (124), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-10-13 01:57:07,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:57:07,490 INFO L93 Difference]: Finished difference Result 231 states and 416 transitions. [2024-10-13 01:57:07,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 01:57:07,493 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) Word has length 217 [2024-10-13 01:57:07,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:57:07,504 INFO L225 Difference]: With dead ends: 231 [2024-10-13 01:57:07,505 INFO L226 Difference]: Without dead ends: 115 [2024-10-13 01:57:07,513 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 01:57:07,517 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 01:57:07,518 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 183 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 01:57:07,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-10-13 01:57:07,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-10-13 01:57:07,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 79 states have (on average 1.4936708860759493) internal successors, (118), 79 states have internal predecessors, (118), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-13 01:57:07,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 186 transitions. [2024-10-13 01:57:07,575 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 186 transitions. Word has length 217 [2024-10-13 01:57:07,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:57:07,576 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 186 transitions. [2024-10-13 01:57:07,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-10-13 01:57:07,577 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 186 transitions. [2024-10-13 01:57:07,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-10-13 01:57:07,583 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:57:07,583 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:57:07,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 01:57:07,584 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:57:07,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:57:07,584 INFO L85 PathProgramCache]: Analyzing trace with hash -412881573, now seen corresponding path program 1 times [2024-10-13 01:57:07,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:57:07,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329684757] [2024-10-13 01:57:07,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:57:07,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:57:07,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:57:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:57:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:57:08,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:57:08,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:57:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:57:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:57:08,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:57:08,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:57:08,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:57:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:57:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 01:57:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:57:08,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 01:57:08,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:57:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:57:08,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:57:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:57:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:57:08,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:57:08,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:57:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:57:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:57:08,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:57:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:57:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:57:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 01:57:08,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:57:08,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 01:57:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:57:08,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 01:57:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:57:08,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 01:57:08,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 01:57:08,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,305 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-13 01:57:08,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:57:08,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329684757] [2024-10-13 01:57:08,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329684757] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:57:08,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:57:08,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 01:57:08,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524653675] [2024-10-13 01:57:08,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:57:08,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 01:57:08,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:57:08,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 01:57:08,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 01:57:08,329 INFO L87 Difference]: Start difference. First operand 115 states and 186 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 01:57:08,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:57:08,598 INFO L93 Difference]: Finished difference Result 344 states and 558 transitions. [2024-10-13 01:57:08,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 01:57:08,599 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 217 [2024-10-13 01:57:08,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:57:08,606 INFO L225 Difference]: With dead ends: 344 [2024-10-13 01:57:08,607 INFO L226 Difference]: Without dead ends: 230 [2024-10-13 01:57:08,608 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 01:57:08,610 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 115 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 01:57:08,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 458 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 01:57:08,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-10-13 01:57:08,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 227. [2024-10-13 01:57:08,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 156 states have (on average 1.4935897435897436) internal successors, (233), 156 states have internal predecessors, (233), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-10-13 01:57:08,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 369 transitions. [2024-10-13 01:57:08,657 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 369 transitions. Word has length 217 [2024-10-13 01:57:08,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:57:08,659 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 369 transitions. [2024-10-13 01:57:08,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 01:57:08,659 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 369 transitions. [2024-10-13 01:57:08,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-10-13 01:57:08,664 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:57:08,664 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:57:08,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 01:57:08,665 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:57:08,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:57:08,668 INFO L85 PathProgramCache]: Analyzing trace with hash -441921065, now seen corresponding path program 1 times [2024-10-13 01:57:08,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:57:08,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388357709] [2024-10-13 01:57:08,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:57:08,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:57:08,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:57:08,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:57:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:57:08,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:57:08,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:57:08,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:57:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:57:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:57:08,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:57:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:57:08,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:57:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 01:57:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:57:08,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 01:57:08,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:57:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:57:08,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:57:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:57:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:57:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:57:08,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:57:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:57:08,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:57:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:57:08,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:57:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:57:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 01:57:08,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:57:08,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 01:57:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:08,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:57:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:09,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 01:57:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:09,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:57:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:09,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 01:57:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:09,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 01:57:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:09,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-13 01:57:09,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:57:09,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388357709] [2024-10-13 01:57:09,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388357709] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:57:09,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:57:09,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 01:57:09,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38775938] [2024-10-13 01:57:09,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:57:09,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 01:57:09,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:57:09,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 01:57:09,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 01:57:09,025 INFO L87 Difference]: Start difference. First operand 227 states and 369 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 01:57:09,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:57:09,150 INFO L93 Difference]: Finished difference Result 665 states and 1084 transitions. [2024-10-13 01:57:09,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 01:57:09,151 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 218 [2024-10-13 01:57:09,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:57:09,156 INFO L225 Difference]: With dead ends: 665 [2024-10-13 01:57:09,157 INFO L226 Difference]: Without dead ends: 439 [2024-10-13 01:57:09,158 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 01:57:09,159 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 175 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 01:57:09,160 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 336 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 01:57:09,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2024-10-13 01:57:09,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 437. [2024-10-13 01:57:09,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 296 states have (on average 1.4763513513513513) internal successors, (437), 296 states have internal predecessors, (437), 136 states have call successors, (136), 4 states have call predecessors, (136), 4 states have return successors, (136), 136 states have call predecessors, (136), 136 states have call successors, (136) [2024-10-13 01:57:09,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 709 transitions. [2024-10-13 01:57:09,232 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 709 transitions. Word has length 218 [2024-10-13 01:57:09,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:57:09,234 INFO L471 AbstractCegarLoop]: Abstraction has 437 states and 709 transitions. [2024-10-13 01:57:09,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 01:57:09,235 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 709 transitions. [2024-10-13 01:57:09,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-10-13 01:57:09,243 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:57:09,244 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:57:09,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 01:57:09,244 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:57:09,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:57:09,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1795649347, now seen corresponding path program 1 times [2024-10-13 01:57:09,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:57:09,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280085577] [2024-10-13 01:57:09,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:57:09,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:57:09,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:09,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:57:09,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:09,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:57:09,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:09,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:57:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:09,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:57:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:09,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:57:09,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:09,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:57:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:09,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:57:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:09,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:57:09,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:09,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:57:09,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:09,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:57:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:09,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:57:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:09,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 01:57:09,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:09,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:57:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:09,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 01:57:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:09,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:57:09,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:09,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:57:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:09,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:57:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:09,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:57:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:09,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:57:09,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:09,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:57:09,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:09,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:57:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:09,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:57:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:09,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:57:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:09,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:57:09,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:09,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:57:09,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:09,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:57:09,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:09,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 01:57:09,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:09,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:57:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:09,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 01:57:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:09,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:57:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:09,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 01:57:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:09,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:57:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:09,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 01:57:09,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:09,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 01:57:09,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:09,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-13 01:57:09,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:57:09,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280085577] [2024-10-13 01:57:09,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280085577] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:57:09,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:57:09,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 01:57:09,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939676698] [2024-10-13 01:57:09,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:57:09,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 01:57:09,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:57:09,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 01:57:09,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 01:57:09,641 INFO L87 Difference]: Start difference. First operand 437 states and 709 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 01:57:09,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:57:09,841 INFO L93 Difference]: Finished difference Result 877 states and 1422 transitions. [2024-10-13 01:57:09,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 01:57:09,841 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 218 [2024-10-13 01:57:09,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:57:09,848 INFO L225 Difference]: With dead ends: 877 [2024-10-13 01:57:09,848 INFO L226 Difference]: Without dead ends: 441 [2024-10-13 01:57:09,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 01:57:09,855 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 113 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 01:57:09,856 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 459 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 01:57:09,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-10-13 01:57:09,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 437. [2024-10-13 01:57:09,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 437 states, 296 states have (on average 1.472972972972973) internal successors, (436), 296 states have internal predecessors, (436), 136 states have call successors, (136), 4 states have call predecessors, (136), 4 states have return successors, (136), 136 states have call predecessors, (136), 136 states have call successors, (136) [2024-10-13 01:57:09,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 708 transitions. [2024-10-13 01:57:09,908 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 708 transitions. Word has length 218 [2024-10-13 01:57:09,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:57:09,909 INFO L471 AbstractCegarLoop]: Abstraction has 437 states and 708 transitions. [2024-10-13 01:57:09,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 01:57:09,910 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 708 transitions. [2024-10-13 01:57:09,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-10-13 01:57:09,914 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:57:09,915 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:57:09,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 01:57:09,915 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:57:09,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:57:09,916 INFO L85 PathProgramCache]: Analyzing trace with hash -358049099, now seen corresponding path program 1 times [2024-10-13 01:57:09,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:57:09,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239999217] [2024-10-13 01:57:09,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:57:09,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:57:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:57:10,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:57:10,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:57:10,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:57:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:57:10,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:57:10,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:57:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:57:10,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:57:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:57:10,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:57:10,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 01:57:10,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:57:10,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 01:57:10,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:57:10,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:57:10,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:57:10,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:57:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:57:10,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:57:10,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:57:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:57:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:57:10,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:57:10,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:57:10,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:57:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 01:57:10,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:57:10,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 01:57:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:57:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 01:57:10,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:57:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 01:57:10,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 01:57:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-13 01:57:10,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:57:10,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239999217] [2024-10-13 01:57:10,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239999217] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:57:10,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:57:10,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 01:57:10,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108162364] [2024-10-13 01:57:10,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:57:10,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 01:57:10,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:57:10,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 01:57:10,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 01:57:10,370 INFO L87 Difference]: Start difference. First operand 437 states and 708 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 01:57:10,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:57:10,517 INFO L93 Difference]: Finished difference Result 1309 states and 2122 transitions. [2024-10-13 01:57:10,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 01:57:10,518 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 219 [2024-10-13 01:57:10,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:57:10,526 INFO L225 Difference]: With dead ends: 1309 [2024-10-13 01:57:10,527 INFO L226 Difference]: Without dead ends: 873 [2024-10-13 01:57:10,529 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 01:57:10,530 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 119 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 01:57:10,534 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 391 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 01:57:10,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 873 states. [2024-10-13 01:57:10,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 873 to 871. [2024-10-13 01:57:10,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 871 states, 590 states have (on average 1.4542372881355932) internal successors, (858), 590 states have internal predecessors, (858), 272 states have call successors, (272), 8 states have call predecessors, (272), 8 states have return successors, (272), 272 states have call predecessors, (272), 272 states have call successors, (272) [2024-10-13 01:57:10,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1402 transitions. [2024-10-13 01:57:10,641 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1402 transitions. Word has length 219 [2024-10-13 01:57:10,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:57:10,641 INFO L471 AbstractCegarLoop]: Abstraction has 871 states and 1402 transitions. [2024-10-13 01:57:10,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 01:57:10,642 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1402 transitions. [2024-10-13 01:57:10,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-10-13 01:57:10,646 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:57:10,646 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:57:10,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 01:57:10,647 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:57:10,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:57:10,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1696373915, now seen corresponding path program 1 times [2024-10-13 01:57:10,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:57:10,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441989933] [2024-10-13 01:57:10,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:57:10,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:57:10,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:57:10,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:57:10,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:57:10,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:57:10,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:57:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:57:10,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:57:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:57:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:57:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:57:10,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:57:10,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 01:57:10,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:57:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 01:57:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:57:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:57:10,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:57:10,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:57:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:57:10,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:57:10,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:57:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:57:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:57:10,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:57:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:57:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:57:10,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 01:57:10,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:57:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 01:57:10,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:57:10,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 01:57:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:57:10,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 01:57:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 01:57:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:10,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-13 01:57:10,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:57:10,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441989933] [2024-10-13 01:57:10,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441989933] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:57:10,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:57:10,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 01:57:10,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731336790] [2024-10-13 01:57:10,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:57:10,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 01:57:10,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:57:10,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 01:57:10,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 01:57:10,849 INFO L87 Difference]: Start difference. First operand 871 states and 1402 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 01:57:10,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:57:10,929 INFO L93 Difference]: Finished difference Result 2135 states and 3436 transitions. [2024-10-13 01:57:10,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 01:57:10,930 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 220 [2024-10-13 01:57:10,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:57:10,943 INFO L225 Difference]: With dead ends: 2135 [2024-10-13 01:57:10,943 INFO L226 Difference]: Without dead ends: 1265 [2024-10-13 01:57:10,948 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 01:57:10,950 INFO L432 NwaCegarLoop]: 256 mSDtfsCounter, 79 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 01:57:10,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 425 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 01:57:10,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1265 states. [2024-10-13 01:57:11,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1265 to 943. [2024-10-13 01:57:11,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 943 states, 662 states have (on average 1.4531722054380665) internal successors, (962), 662 states have internal predecessors, (962), 272 states have call successors, (272), 8 states have call predecessors, (272), 8 states have return successors, (272), 272 states have call predecessors, (272), 272 states have call successors, (272) [2024-10-13 01:57:11,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 943 states and 1506 transitions. [2024-10-13 01:57:11,050 INFO L78 Accepts]: Start accepts. Automaton has 943 states and 1506 transitions. Word has length 220 [2024-10-13 01:57:11,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:57:11,051 INFO L471 AbstractCegarLoop]: Abstraction has 943 states and 1506 transitions. [2024-10-13 01:57:11,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 01:57:11,052 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1506 transitions. [2024-10-13 01:57:11,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-10-13 01:57:11,054 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:57:11,054 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:57:11,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 01:57:11,055 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:57:11,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:57:11,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1292833215, now seen corresponding path program 1 times [2024-10-13 01:57:11,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:57:11,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083761009] [2024-10-13 01:57:11,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:57:11,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:57:11,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:57:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:57:11,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:57:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:57:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:57:11,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:57:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:57:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:57:11,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:57:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:57:11,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:57:11,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 01:57:11,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:57:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 01:57:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:57:11,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:57:11,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:57:11,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:57:11,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:57:11,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:57:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:57:11,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:57:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:57:11,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:57:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:57:11,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:57:11,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 01:57:11,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:57:11,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 01:57:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:57:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 01:57:11,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:57:11,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 01:57:11,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 01:57:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-13 01:57:11,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:57:11,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083761009] [2024-10-13 01:57:11,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083761009] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:57:11,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:57:11,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 01:57:11,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254308891] [2024-10-13 01:57:11,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:57:11,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 01:57:11,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:57:11,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 01:57:11,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 01:57:11,215 INFO L87 Difference]: Start difference. First operand 943 states and 1506 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 01:57:11,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:57:11,392 INFO L93 Difference]: Finished difference Result 1987 states and 3180 transitions. [2024-10-13 01:57:11,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 01:57:11,393 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 220 [2024-10-13 01:57:11,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:57:11,401 INFO L225 Difference]: With dead ends: 1987 [2024-10-13 01:57:11,401 INFO L226 Difference]: Without dead ends: 1045 [2024-10-13 01:57:11,405 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 01:57:11,408 INFO L432 NwaCegarLoop]: 299 mSDtfsCounter, 165 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 01:57:11,409 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 451 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 01:57:11,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2024-10-13 01:57:11,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 1043. [2024-10-13 01:57:11,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1043 states, 762 states have (on average 1.4619422572178478) internal successors, (1114), 762 states have internal predecessors, (1114), 272 states have call successors, (272), 8 states have call predecessors, (272), 8 states have return successors, (272), 272 states have call predecessors, (272), 272 states have call successors, (272) [2024-10-13 01:57:11,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 1658 transitions. [2024-10-13 01:57:11,507 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 1658 transitions. Word has length 220 [2024-10-13 01:57:11,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:57:11,508 INFO L471 AbstractCegarLoop]: Abstraction has 1043 states and 1658 transitions. [2024-10-13 01:57:11,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 01:57:11,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1658 transitions. [2024-10-13 01:57:11,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-10-13 01:57:11,513 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:57:11,513 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:57:11,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 01:57:11,513 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:57:11,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:57:11,514 INFO L85 PathProgramCache]: Analyzing trace with hash -972005453, now seen corresponding path program 1 times [2024-10-13 01:57:11,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:57:11,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863628000] [2024-10-13 01:57:11,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:57:11,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:57:11,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:57:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:57:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:57:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:57:11,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:57:11,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:57:11,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:57:11,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:57:11,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:57:11,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:57:11,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:57:11,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 01:57:11,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:57:11,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 01:57:11,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:57:11,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:57:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:57:11,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:57:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:57:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:57:11,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:57:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:57:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:57:11,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:57:11,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:57:11,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:57:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 01:57:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:57:11,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 01:57:11,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:57:11,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 01:57:11,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:57:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 01:57:11,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 01:57:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:11,794 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-13 01:57:11,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:57:11,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863628000] [2024-10-13 01:57:11,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863628000] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:57:11,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:57:11,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 01:57:11,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010222277] [2024-10-13 01:57:11,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:57:11,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 01:57:11,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:57:11,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 01:57:11,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 01:57:11,798 INFO L87 Difference]: Start difference. First operand 1043 states and 1658 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 01:57:12,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:57:12,411 INFO L93 Difference]: Finished difference Result 3612 states and 5751 transitions. [2024-10-13 01:57:12,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 01:57:12,411 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 220 [2024-10-13 01:57:12,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:57:12,430 INFO L225 Difference]: With dead ends: 3612 [2024-10-13 01:57:12,430 INFO L226 Difference]: Without dead ends: 2570 [2024-10-13 01:57:12,436 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 01:57:12,437 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 405 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 405 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 01:57:12,437 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [405 Valid, 467 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 01:57:12,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2570 states. [2024-10-13 01:57:12,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2570 to 2566. [2024-10-13 01:57:12,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2566 states, 1865 states have (on average 1.4455764075067024) internal successors, (2696), 1865 states have internal predecessors, (2696), 680 states have call successors, (680), 20 states have call predecessors, (680), 20 states have return successors, (680), 680 states have call predecessors, (680), 680 states have call successors, (680) [2024-10-13 01:57:12,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2566 states to 2566 states and 4056 transitions. [2024-10-13 01:57:12,655 INFO L78 Accepts]: Start accepts. Automaton has 2566 states and 4056 transitions. Word has length 220 [2024-10-13 01:57:12,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:57:12,656 INFO L471 AbstractCegarLoop]: Abstraction has 2566 states and 4056 transitions. [2024-10-13 01:57:12,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 01:57:12,657 INFO L276 IsEmpty]: Start isEmpty. Operand 2566 states and 4056 transitions. [2024-10-13 01:57:12,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-10-13 01:57:12,660 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:57:12,660 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:57:12,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 01:57:12,660 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:57:12,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:57:12,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1734613941, now seen corresponding path program 1 times [2024-10-13 01:57:12,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:57:12,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208551397] [2024-10-13 01:57:12,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:57:12,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:57:12,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:13,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:57:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:13,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:57:13,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:13,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:57:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:13,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:57:13,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:13,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:57:13,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:13,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:57:13,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:13,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:57:13,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:13,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:57:13,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:13,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:57:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:13,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:57:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:13,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:57:13,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:13,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 01:57:13,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:13,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:57:13,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:13,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 01:57:13,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:13,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:57:13,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:13,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:57:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:13,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:57:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:13,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:57:13,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:13,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:57:13,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:13,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:57:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:13,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:57:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:13,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:57:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:13,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:57:13,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:13,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:57:13,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:13,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:57:13,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:13,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:57:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:13,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 01:57:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:13,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:57:13,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:13,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 01:57:13,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:13,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:57:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:13,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 01:57:13,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:13,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:57:13,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:13,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 01:57:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:13,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 01:57:13,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:13,250 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-13 01:57:13,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:57:13,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208551397] [2024-10-13 01:57:13,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208551397] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:57:13,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:57:13,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 01:57:13,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526276948] [2024-10-13 01:57:13,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:57:13,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 01:57:13,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:57:13,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 01:57:13,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 01:57:13,252 INFO L87 Difference]: Start difference. First operand 2566 states and 4056 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 01:57:14,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:57:14,455 INFO L93 Difference]: Finished difference Result 8790 states and 13841 transitions. [2024-10-13 01:57:14,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 01:57:14,456 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 220 [2024-10-13 01:57:14,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:57:14,498 INFO L225 Difference]: With dead ends: 8790 [2024-10-13 01:57:14,499 INFO L226 Difference]: Without dead ends: 6225 [2024-10-13 01:57:14,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-10-13 01:57:14,513 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 421 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 01:57:14,513 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [421 Valid, 569 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 01:57:14,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6225 states. [2024-10-13 01:57:15,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6225 to 6167. [2024-10-13 01:57:15,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6167 states, 4326 states have (on average 1.4174757281553398) internal successors, (6132), 4346 states have internal predecessors, (6132), 1780 states have call successors, (1780), 60 states have call predecessors, (1780), 60 states have return successors, (1780), 1760 states have call predecessors, (1780), 1780 states have call successors, (1780) [2024-10-13 01:57:15,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6167 states to 6167 states and 9692 transitions. [2024-10-13 01:57:15,116 INFO L78 Accepts]: Start accepts. Automaton has 6167 states and 9692 transitions. Word has length 220 [2024-10-13 01:57:15,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:57:15,118 INFO L471 AbstractCegarLoop]: Abstraction has 6167 states and 9692 transitions. [2024-10-13 01:57:15,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 01:57:15,118 INFO L276 IsEmpty]: Start isEmpty. Operand 6167 states and 9692 transitions. [2024-10-13 01:57:15,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-10-13 01:57:15,122 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:57:15,123 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:57:15,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 01:57:15,123 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:57:15,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:57:15,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1859288777, now seen corresponding path program 1 times [2024-10-13 01:57:15,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:57:15,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090934893] [2024-10-13 01:57:15,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:57:15,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:57:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:15,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:57:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:15,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:57:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:15,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:57:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:15,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:57:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:15,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:57:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:15,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:57:15,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:15,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:57:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:15,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:57:15,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:15,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:57:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:15,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:57:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:15,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:57:15,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:15,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 01:57:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:15,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:57:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:15,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 01:57:15,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:15,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:57:15,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:15,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:57:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:15,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:57:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:15,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:57:15,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:15,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:57:15,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:15,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:57:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:15,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:57:15,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:15,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:57:15,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:15,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:57:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:15,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:57:15,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:15,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:57:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:15,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:57:15,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:15,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 01:57:15,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:15,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:57:15,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:15,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 01:57:15,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:15,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:57:15,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:15,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 01:57:15,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:15,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:57:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:15,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 01:57:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:15,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 01:57:15,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:15,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 63 proven. 36 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2024-10-13 01:57:15,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:57:15,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090934893] [2024-10-13 01:57:15,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090934893] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 01:57:15,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143982379] [2024-10-13 01:57:15,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:57:15,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 01:57:15,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 01:57:15,764 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 01:57:15,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 01:57:15,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:15,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-13 01:57:15,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 01:57:16,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1083 proven. 36 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2024-10-13 01:57:16,671 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 01:57:17,218 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 63 proven. 36 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2024-10-13 01:57:17,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2143982379] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 01:57:17,218 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 01:57:17,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 14 [2024-10-13 01:57:17,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142040814] [2024-10-13 01:57:17,219 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 01:57:17,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-13 01:57:17,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:57:17,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 01:57:17,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-10-13 01:57:17,222 INFO L87 Difference]: Start difference. First operand 6167 states and 9692 transitions. Second operand has 14 states, 14 states have (on average 10.714285714285714) internal successors, (150), 14 states have internal predecessors, (150), 6 states have call successors, (102), 3 states have call predecessors, (102), 6 states have return successors, (102), 6 states have call predecessors, (102), 6 states have call successors, (102) [2024-10-13 01:57:20,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:57:20,119 INFO L93 Difference]: Finished difference Result 22532 states and 35400 transitions. [2024-10-13 01:57:20,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-13 01:57:20,120 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 10.714285714285714) internal successors, (150), 14 states have internal predecessors, (150), 6 states have call successors, (102), 3 states have call predecessors, (102), 6 states have return successors, (102), 6 states have call predecessors, (102), 6 states have call successors, (102) Word has length 220 [2024-10-13 01:57:20,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:57:20,252 INFO L225 Difference]: With dead ends: 22532 [2024-10-13 01:57:20,252 INFO L226 Difference]: Without dead ends: 16366 [2024-10-13 01:57:20,374 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 524 GetRequests, 501 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=185, Invalid=415, Unknown=0, NotChecked=0, Total=600 [2024-10-13 01:57:20,375 INFO L432 NwaCegarLoop]: 353 mSDtfsCounter, 953 mSDsluCounter, 1329 mSDsCounter, 0 mSdLazyCounter, 1285 mSolverCounterSat, 272 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1062 SdHoareTripleChecker+Valid, 1682 SdHoareTripleChecker+Invalid, 1557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 272 IncrementalHoareTripleChecker+Valid, 1285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-13 01:57:20,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1062 Valid, 1682 Invalid, 1557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [272 Valid, 1285 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-13 01:57:20,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16366 states. [2024-10-13 01:57:21,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16366 to 8932. [2024-10-13 01:57:21,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8932 states, 6351 states have (on average 1.4126909148165643) internal successors, (8972), 6371 states have internal predecessors, (8972), 2460 states have call successors, (2460), 120 states have call predecessors, (2460), 120 states have return successors, (2460), 2440 states have call predecessors, (2460), 2460 states have call successors, (2460) [2024-10-13 01:57:21,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8932 states to 8932 states and 13892 transitions. [2024-10-13 01:57:21,531 INFO L78 Accepts]: Start accepts. Automaton has 8932 states and 13892 transitions. Word has length 220 [2024-10-13 01:57:21,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:57:21,532 INFO L471 AbstractCegarLoop]: Abstraction has 8932 states and 13892 transitions. [2024-10-13 01:57:21,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.714285714285714) internal successors, (150), 14 states have internal predecessors, (150), 6 states have call successors, (102), 3 states have call predecessors, (102), 6 states have return successors, (102), 6 states have call predecessors, (102), 6 states have call successors, (102) [2024-10-13 01:57:21,533 INFO L276 IsEmpty]: Start isEmpty. Operand 8932 states and 13892 transitions. [2024-10-13 01:57:21,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-10-13 01:57:21,539 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:57:21,539 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:57:21,561 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-13 01:57:21,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-13 01:57:21,741 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:57:21,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:57:21,742 INFO L85 PathProgramCache]: Analyzing trace with hash -144996405, now seen corresponding path program 1 times [2024-10-13 01:57:21,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:57:21,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206307423] [2024-10-13 01:57:21,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:57:21,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:57:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:22,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:57:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:22,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:57:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:22,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:57:22,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:22,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:57:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:22,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:57:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:22,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:57:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:22,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:57:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:22,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:57:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:22,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:57:22,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:22,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:57:22,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:22,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:57:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:22,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 01:57:22,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:22,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:57:22,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:22,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 01:57:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:22,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:57:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:22,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:57:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:22,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:57:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:22,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:57:22,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:22,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:57:22,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:22,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:57:22,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:22,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:57:22,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:22,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:57:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:22,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:57:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:22,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:57:22,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:22,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:57:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:22,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:57:22,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:22,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 01:57:22,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:22,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:57:22,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:22,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 01:57:22,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:22,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:57:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:22,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 01:57:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:22,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:57:22,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:22,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 01:57:22,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:22,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 01:57:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:22,993 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 42 proven. 57 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2024-10-13 01:57:22,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:57:22,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206307423] [2024-10-13 01:57:22,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206307423] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 01:57:22,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781036494] [2024-10-13 01:57:22,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:57:22,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 01:57:22,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 01:57:22,996 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 01:57:22,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 01:57:23,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:23,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-13 01:57:23,172 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 01:57:25,164 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1222 proven. 249 refuted. 0 times theorem prover too weak. 773 trivial. 0 not checked. [2024-10-13 01:57:25,164 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 01:57:26,844 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 111 proven. 267 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2024-10-13 01:57:26,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [781036494] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 01:57:26,844 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 01:57:26,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 16, 15] total 34 [2024-10-13 01:57:26,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405462712] [2024-10-13 01:57:26,845 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 01:57:26,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-10-13 01:57:26,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:57:26,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-10-13 01:57:26,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=262, Invalid=860, Unknown=0, NotChecked=0, Total=1122 [2024-10-13 01:57:26,848 INFO L87 Difference]: Start difference. First operand 8932 states and 13892 transitions. Second operand has 34 states, 33 states have (on average 4.333333333333333) internal successors, (143), 32 states have internal predecessors, (143), 11 states have call successors, (89), 6 states have call predecessors, (89), 13 states have return successors, (90), 10 states have call predecessors, (90), 11 states have call successors, (90) [2024-10-13 01:57:29,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:57:29,138 INFO L93 Difference]: Finished difference Result 16690 states and 25094 transitions. [2024-10-13 01:57:29,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-13 01:57:29,139 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 4.333333333333333) internal successors, (143), 32 states have internal predecessors, (143), 11 states have call successors, (89), 6 states have call predecessors, (89), 13 states have return successors, (90), 10 states have call predecessors, (90), 11 states have call successors, (90) Word has length 221 [2024-10-13 01:57:29,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:57:29,189 INFO L225 Difference]: With dead ends: 16690 [2024-10-13 01:57:29,190 INFO L226 Difference]: Without dead ends: 7759 [2024-10-13 01:57:29,229 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 541 GetRequests, 486 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 774 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=920, Invalid=2272, Unknown=0, NotChecked=0, Total=3192 [2024-10-13 01:57:29,229 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 938 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 938 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 01:57:29,230 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [938 Valid, 481 Invalid, 833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 01:57:29,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7759 states. [2024-10-13 01:57:30,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7759 to 7279. [2024-10-13 01:57:30,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7279 states, 5548 states have (on average 1.3868060562364817) internal successors, (7694), 5598 states have internal predecessors, (7694), 1470 states have call successors, (1470), 260 states have call predecessors, (1470), 260 states have return successors, (1470), 1420 states have call predecessors, (1470), 1470 states have call successors, (1470) [2024-10-13 01:57:30,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7279 states to 7279 states and 10634 transitions. [2024-10-13 01:57:30,362 INFO L78 Accepts]: Start accepts. Automaton has 7279 states and 10634 transitions. Word has length 221 [2024-10-13 01:57:30,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:57:30,363 INFO L471 AbstractCegarLoop]: Abstraction has 7279 states and 10634 transitions. [2024-10-13 01:57:30,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 4.333333333333333) internal successors, (143), 32 states have internal predecessors, (143), 11 states have call successors, (89), 6 states have call predecessors, (89), 13 states have return successors, (90), 10 states have call predecessors, (90), 11 states have call successors, (90) [2024-10-13 01:57:30,364 INFO L276 IsEmpty]: Start isEmpty. Operand 7279 states and 10634 transitions. [2024-10-13 01:57:30,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-10-13 01:57:30,369 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:57:30,369 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:57:30,390 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-13 01:57:30,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-13 01:57:30,574 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:57:30,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:57:30,575 INFO L85 PathProgramCache]: Analyzing trace with hash 315183375, now seen corresponding path program 1 times [2024-10-13 01:57:30,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:57:30,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399815195] [2024-10-13 01:57:30,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:57:30,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:57:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:30,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:57:30,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:30,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:57:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:30,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:57:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:30,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:57:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:30,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:57:30,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:30,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:57:30,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:30,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:57:30,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:30,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:57:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:30,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:57:30,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:30,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:57:30,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:30,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:57:30,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:30,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 01:57:30,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:30,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:57:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:31,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 01:57:31,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:31,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:57:31,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:31,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:57:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:31,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:57:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:31,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:57:31,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:31,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:57:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:31,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:57:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:31,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:57:31,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:31,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:57:31,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:31,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:57:31,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:31,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:57:31,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:31,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:57:31,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:31,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:57:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:31,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 01:57:31,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:31,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:57:31,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:31,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 01:57:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:31,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:57:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:31,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 01:57:31,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:31,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:57:31,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:31,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 01:57:31,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:31,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 01:57:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:31,059 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-13 01:57:31,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:57:31,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399815195] [2024-10-13 01:57:31,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399815195] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:57:31,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:57:31,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 01:57:31,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114288189] [2024-10-13 01:57:31,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:57:31,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 01:57:31,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:57:31,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 01:57:31,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 01:57:31,063 INFO L87 Difference]: Start difference. First operand 7279 states and 10634 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 01:57:33,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:57:33,510 INFO L93 Difference]: Finished difference Result 23891 states and 34780 transitions. [2024-10-13 01:57:33,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 01:57:33,511 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 222 [2024-10-13 01:57:33,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:57:33,607 INFO L225 Difference]: With dead ends: 23891 [2024-10-13 01:57:33,607 INFO L226 Difference]: Without dead ends: 18719 [2024-10-13 01:57:33,634 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-13 01:57:33,637 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 448 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 267 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 267 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 01:57:33,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 674 Invalid, 687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [267 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 01:57:33,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18719 states. [2024-10-13 01:57:36,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18719 to 16361. [2024-10-13 01:57:36,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16361 states, 12120 states have (on average 1.3696369636963697) internal successors, (16600), 12250 states have internal predecessors, (16600), 3610 states have call successors, (3610), 630 states have call predecessors, (3610), 630 states have return successors, (3610), 3480 states have call predecessors, (3610), 3610 states have call successors, (3610) [2024-10-13 01:57:36,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16361 states to 16361 states and 23820 transitions. [2024-10-13 01:57:36,347 INFO L78 Accepts]: Start accepts. Automaton has 16361 states and 23820 transitions. Word has length 222 [2024-10-13 01:57:36,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:57:36,348 INFO L471 AbstractCegarLoop]: Abstraction has 16361 states and 23820 transitions. [2024-10-13 01:57:36,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 01:57:36,348 INFO L276 IsEmpty]: Start isEmpty. Operand 16361 states and 23820 transitions. [2024-10-13 01:57:36,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-10-13 01:57:36,353 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:57:36,354 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:57:36,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-13 01:57:36,354 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:57:36,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:57:36,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1016247953, now seen corresponding path program 1 times [2024-10-13 01:57:36,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:57:36,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577869136] [2024-10-13 01:57:36,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:57:36,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:57:36,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:36,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:57:36,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:36,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:57:36,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:36,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:57:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:36,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:57:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:36,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:57:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:36,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:57:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:36,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:57:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:36,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:57:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:36,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:57:36,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:36,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:57:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:36,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:57:36,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:36,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 01:57:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:36,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:57:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:36,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 01:57:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:36,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:57:36,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:36,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:57:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:36,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:57:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:36,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:57:36,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:36,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:57:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:36,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:57:36,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:36,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:57:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:36,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:57:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:36,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:57:36,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:36,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:57:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:36,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:57:36,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:36,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:57:36,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:36,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 01:57:36,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:36,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:57:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:36,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 01:57:36,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:36,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:57:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:36,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 01:57:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:36,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:57:36,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:36,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 01:57:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:36,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 01:57:36,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:36,657 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-13 01:57:36,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:57:36,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577869136] [2024-10-13 01:57:36,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577869136] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:57:36,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:57:36,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 01:57:36,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575726345] [2024-10-13 01:57:36,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:57:36,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 01:57:36,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:57:36,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 01:57:36,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 01:57:36,663 INFO L87 Difference]: Start difference. First operand 16361 states and 23820 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 01:57:38,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:57:38,965 INFO L93 Difference]: Finished difference Result 39571 states and 57639 transitions. [2024-10-13 01:57:38,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 01:57:38,965 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 222 [2024-10-13 01:57:38,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:57:39,077 INFO L225 Difference]: With dead ends: 39571 [2024-10-13 01:57:39,077 INFO L226 Difference]: Without dead ends: 23211 [2024-10-13 01:57:39,128 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-13 01:57:39,129 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 293 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 174 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 01:57:39,129 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 538 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [174 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 01:57:39,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23211 states. [2024-10-13 01:57:41,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23211 to 20285. [2024-10-13 01:57:41,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20285 states, 14884 states have (on average 1.359043267938726) internal successors, (20228), 15022 states have internal predecessors, (20228), 4594 states have call successors, (4594), 806 states have call predecessors, (4594), 806 states have return successors, (4594), 4456 states have call predecessors, (4594), 4594 states have call successors, (4594) [2024-10-13 01:57:41,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20285 states to 20285 states and 29416 transitions. [2024-10-13 01:57:41,610 INFO L78 Accepts]: Start accepts. Automaton has 20285 states and 29416 transitions. Word has length 222 [2024-10-13 01:57:41,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:57:41,611 INFO L471 AbstractCegarLoop]: Abstraction has 20285 states and 29416 transitions. [2024-10-13 01:57:41,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 01:57:41,611 INFO L276 IsEmpty]: Start isEmpty. Operand 20285 states and 29416 transitions. [2024-10-13 01:57:41,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-10-13 01:57:41,617 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:57:41,617 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:57:41,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-13 01:57:41,618 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:57:41,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:57:41,619 INFO L85 PathProgramCache]: Analyzing trace with hash -2006349484, now seen corresponding path program 1 times [2024-10-13 01:57:41,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:57:41,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747636659] [2024-10-13 01:57:41,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:57:41,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:57:41,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:41,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:57:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:41,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:57:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:41,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:57:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:41,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:57:41,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:41,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:57:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:41,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:57:41,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:41,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:57:41,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:41,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:57:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:41,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:57:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:41,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:57:41,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:41,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:57:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:41,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 01:57:41,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:41,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:57:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:41,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 01:57:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:41,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:57:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:41,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:57:41,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:41,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:57:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:41,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:57:41,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:41,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:57:41,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:41,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:57:41,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:41,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:57:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:41,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:57:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:41,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:57:41,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:41,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:57:41,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:41,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:57:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:41,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:57:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:41,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 01:57:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:41,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:57:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:41,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 01:57:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:41,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:57:41,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:41,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 01:57:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:41,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:57:41,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:41,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 01:57:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:41,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 01:57:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:41,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-13 01:57:41,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:57:41,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747636659] [2024-10-13 01:57:41,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747636659] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:57:41,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:57:41,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 01:57:41,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863092981] [2024-10-13 01:57:41,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:57:41,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 01:57:41,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:57:41,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 01:57:41,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 01:57:41,918 INFO L87 Difference]: Start difference. First operand 20285 states and 29416 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 01:57:45,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:57:45,264 INFO L93 Difference]: Finished difference Result 47966 states and 69738 transitions. [2024-10-13 01:57:45,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 01:57:45,265 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 224 [2024-10-13 01:57:45,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:57:45,442 INFO L225 Difference]: With dead ends: 47966 [2024-10-13 01:57:45,442 INFO L226 Difference]: Without dead ends: 36260 [2024-10-13 01:57:45,487 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 01:57:45,488 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 109 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 01:57:45,488 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 353 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 01:57:45,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36260 states. [2024-10-13 01:57:50,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36260 to 36258. [2024-10-13 01:57:50,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36258 states, 26595 states have (on average 1.3586012408347434) internal successors, (36132), 26843 states have internal predecessors, (36132), 8220 states have call successors, (8220), 1442 states have call predecessors, (8220), 1442 states have return successors, (8220), 7972 states have call predecessors, (8220), 8220 states have call successors, (8220) [2024-10-13 01:57:50,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36258 states to 36258 states and 52572 transitions. [2024-10-13 01:57:50,728 INFO L78 Accepts]: Start accepts. Automaton has 36258 states and 52572 transitions. Word has length 224 [2024-10-13 01:57:50,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:57:50,729 INFO L471 AbstractCegarLoop]: Abstraction has 36258 states and 52572 transitions. [2024-10-13 01:57:50,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 01:57:50,729 INFO L276 IsEmpty]: Start isEmpty. Operand 36258 states and 52572 transitions. [2024-10-13 01:57:50,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-10-13 01:57:50,740 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:57:50,740 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:57:50,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-13 01:57:50,740 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:57:50,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:57:50,740 INFO L85 PathProgramCache]: Analyzing trace with hash -408978081, now seen corresponding path program 1 times [2024-10-13 01:57:50,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:57:50,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5587243] [2024-10-13 01:57:50,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:57:50,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:57:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:50,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:57:50,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:50,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:57:50,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:50,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:57:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:50,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:57:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:50,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:57:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:50,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:57:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:50,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:57:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:50,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:57:50,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:50,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:57:50,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:50,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:57:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:50,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:57:50,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:50,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 01:57:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:50,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:57:50,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:50,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 01:57:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:50,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:57:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:50,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:57:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:50,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:57:50,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:50,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:57:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:50,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:57:50,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:50,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:57:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:50,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:57:50,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:50,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:57:50,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:50,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:57:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:50,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:57:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:50,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:57:50,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:50,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:57:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:50,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 01:57:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:50,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:57:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:50,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 01:57:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:50,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:57:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:50,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 01:57:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:50,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:57:50,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:50,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 01:57:50,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:50,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 01:57:50,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:50,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-13 01:57:50,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:57:50,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5587243] [2024-10-13 01:57:50,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5587243] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:57:50,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:57:50,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 01:57:50,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604270189] [2024-10-13 01:57:50,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:57:50,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 01:57:50,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:57:50,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 01:57:50,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 01:57:50,939 INFO L87 Difference]: Start difference. First operand 36258 states and 52572 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 01:57:54,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:57:54,176 INFO L93 Difference]: Finished difference Result 59329 states and 85962 transitions. [2024-10-13 01:57:54,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 01:57:54,177 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 224 [2024-10-13 01:57:54,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:57:54,340 INFO L225 Difference]: With dead ends: 59329 [2024-10-13 01:57:54,340 INFO L226 Difference]: Without dead ends: 28767 [2024-10-13 01:57:54,419 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 01:57:54,419 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 171 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 01:57:54,420 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 435 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 01:57:54,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28767 states. [2024-10-13 01:57:57,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28767 to 28747. [2024-10-13 01:57:57,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28747 states, 21202 states have (on average 1.3523724176964438) internal successors, (28673), 21402 states have internal predecessors, (28673), 6384 states have call successors, (6384), 1160 states have call predecessors, (6384), 1160 states have return successors, (6384), 6184 states have call predecessors, (6384), 6384 states have call successors, (6384) [2024-10-13 01:57:57,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28747 states to 28747 states and 41441 transitions. [2024-10-13 01:57:57,900 INFO L78 Accepts]: Start accepts. Automaton has 28747 states and 41441 transitions. Word has length 224 [2024-10-13 01:57:57,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:57:57,901 INFO L471 AbstractCegarLoop]: Abstraction has 28747 states and 41441 transitions. [2024-10-13 01:57:57,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 01:57:57,901 INFO L276 IsEmpty]: Start isEmpty. Operand 28747 states and 41441 transitions. [2024-10-13 01:57:57,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-10-13 01:57:57,906 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:57:57,906 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:57:57,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-13 01:57:57,906 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:57:57,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:57:57,907 INFO L85 PathProgramCache]: Analyzing trace with hash -347804928, now seen corresponding path program 1 times [2024-10-13 01:57:57,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:57:57,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400905809] [2024-10-13 01:57:57,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:57:57,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:57:57,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:58,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:57:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:58,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 01:57:58,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:58,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 01:57:58,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:58,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 01:57:58,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:58,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 01:57:58,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:58,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 01:57:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:58,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 01:57:58,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:58,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 01:57:58,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:58,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 01:57:58,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:58,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 01:57:58,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:58,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 01:57:58,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:58,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 01:57:58,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:58,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 01:57:58,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:58,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 01:57:58,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:58,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 01:57:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:58,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 01:57:58,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:58,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 01:57:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:58,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 01:57:58,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:58,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 01:57:58,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:58,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 01:57:58,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:58,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 01:57:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:58,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 01:57:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:58,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 01:57:58,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:58,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 01:57:58,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:58,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 01:57:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:58,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 01:57:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:58,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 01:57:58,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:58,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 01:57:58,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:58,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 01:57:58,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:58,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 01:57:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:58,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 01:57:58,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:58,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 01:57:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:58,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 01:57:58,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:58,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 01:57:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:58,250 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 63 proven. 36 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2024-10-13 01:57:58,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:57:58,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400905809] [2024-10-13 01:57:58,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400905809] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 01:57:58,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684899901] [2024-10-13 01:57:58,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:57:58,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 01:57:58,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 01:57:58,253 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 01:57:58,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 01:57:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:57:58,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-13 01:57:58,413 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 01:57:58,652 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1083 proven. 36 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2024-10-13 01:57:58,653 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 01:57:59,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 63 proven. 36 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2024-10-13 01:57:59,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [684899901] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 01:57:59,022 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 01:57:59,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-10-13 01:57:59,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912056685] [2024-10-13 01:57:59,023 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 01:57:59,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-13 01:57:59,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:57:59,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 01:57:59,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2024-10-13 01:57:59,025 INFO L87 Difference]: Start difference. First operand 28747 states and 41441 transitions. Second operand has 14 states, 14 states have (on average 8.214285714285714) internal successors, (115), 14 states have internal predecessors, (115), 3 states have call successors, (58), 2 states have call predecessors, (58), 4 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2024-10-13 01:58:02,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:58:02,759 INFO L93 Difference]: Finished difference Result 47245 states and 67292 transitions. [2024-10-13 01:58:02,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-13 01:58:02,759 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.214285714285714) internal successors, (115), 14 states have internal predecessors, (115), 3 states have call successors, (58), 2 states have call predecessors, (58), 4 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) Word has length 224 [2024-10-13 01:58:02,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:58:02,880 INFO L225 Difference]: With dead ends: 47245 [2024-10-13 01:58:02,880 INFO L226 Difference]: Without dead ends: 24294 [2024-10-13 01:58:02,944 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 544 GetRequests, 512 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=376, Invalid=746, Unknown=0, NotChecked=0, Total=1122 [2024-10-13 01:58:02,945 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 722 mSDsluCounter, 708 mSDsCounter, 0 mSdLazyCounter, 997 mSolverCounterSat, 484 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 722 SdHoareTripleChecker+Valid, 908 SdHoareTripleChecker+Invalid, 1481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 484 IncrementalHoareTripleChecker+Valid, 997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-13 01:58:02,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [722 Valid, 908 Invalid, 1481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [484 Valid, 997 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-13 01:58:02,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24294 states. [2024-10-13 01:58:04,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24294 to 12669. [2024-10-13 01:58:04,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12669 states, 9792 states have (on average 1.3548815359477124) internal successors, (13267), 9828 states have internal predecessors, (13267), 2392 states have call successors, (2392), 484 states have call predecessors, (2392), 484 states have return successors, (2392), 2356 states have call predecessors, (2392), 2392 states have call successors, (2392) [2024-10-13 01:58:04,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12669 states to 12669 states and 18051 transitions. [2024-10-13 01:58:04,468 INFO L78 Accepts]: Start accepts. Automaton has 12669 states and 18051 transitions. Word has length 224 [2024-10-13 01:58:04,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:58:04,469 INFO L471 AbstractCegarLoop]: Abstraction has 12669 states and 18051 transitions. [2024-10-13 01:58:04,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.214285714285714) internal successors, (115), 14 states have internal predecessors, (115), 3 states have call successors, (58), 2 states have call predecessors, (58), 4 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2024-10-13 01:58:04,469 INFO L276 IsEmpty]: Start isEmpty. Operand 12669 states and 18051 transitions. [2024-10-13 01:58:04,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-10-13 01:58:04,472 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:58:04,472 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:58:04,488 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-13 01:58:04,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 01:58:04,673 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:58:04,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:58:04,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1572317551, now seen corresponding path program 1 times [2024-10-13 01:58:04,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:58:04,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405562374] [2024-10-13 01:58:04,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:58:04,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:58:04,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 01:58:04,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [761300246] [2024-10-13 01:58:04,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:58:04,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 01:58:04,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 01:58:04,910 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 01:58:04,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 01:58:05,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:58:05,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-13 01:58:05,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 01:58:05,989 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1290 proven. 48 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2024-10-13 01:58:05,990 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 01:58:06,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:58:06,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405562374] [2024-10-13 01:58:06,660 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 01:58:06,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761300246] [2024-10-13 01:58:06,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [761300246] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 01:58:06,660 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 01:58:06,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-13 01:58:06,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052543190] [2024-10-13 01:58:06,661 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 01:58:06,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 01:58:06,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:58:06,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 01:58:06,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=136, Unknown=3, NotChecked=0, Total=210 [2024-10-13 01:58:06,663 INFO L87 Difference]: Start difference. First operand 12669 states and 18051 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 3 states have call successors, (34), 3 states have call predecessors, (34), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-10-13 01:58:08,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:58:08,449 INFO L93 Difference]: Finished difference Result 20271 states and 28669 transitions. [2024-10-13 01:58:08,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 01:58:08,450 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 7 states have internal predecessors, (67), 3 states have call successors, (34), 3 states have call predecessors, (34), 4 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 225 [2024-10-13 01:58:08,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:58:08,529 INFO L225 Difference]: With dead ends: 20271 [2024-10-13 01:58:08,529 INFO L226 Difference]: Without dead ends: 13157 [2024-10-13 01:58:08,556 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 353 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=118, Invalid=221, Unknown=3, NotChecked=0, Total=342 [2024-10-13 01:58:08,557 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 175 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 01:58:08,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 723 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 01:58:08,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13157 states.