./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-52.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-52.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 65e290fb975399bc2cc283273eaab9fa300db5fe57e6fb279b59522887532a83 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 10:00:06,479 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 10:00:06,536 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 10:00:06,543 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 10:00:06,543 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 10:00:06,592 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 10:00:06,592 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 10:00:06,593 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 10:00:06,593 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 10:00:06,594 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 10:00:06,594 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 10:00:06,594 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 10:00:06,595 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 10:00:06,595 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 10:00:06,595 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 10:00:06,595 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 10:00:06,596 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 10:00:06,596 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 10:00:06,597 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 10:00:06,597 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 10:00:06,600 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 10:00:06,601 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 10:00:06,601 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 10:00:06,601 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 10:00:06,602 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 10:00:06,602 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 10:00:06,602 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 10:00:06,602 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 10:00:06,603 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 10:00:06,603 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 10:00:06,603 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 10:00:06,604 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 10:00:06,604 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 10:00:06,604 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 10:00:06,605 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 10:00:06,608 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 10:00:06,608 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 10:00:06,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 10:00:06,608 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 10:00:06,609 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 10:00:06,609 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 10:00:06,609 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 10:00:06,610 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65e290fb975399bc2cc283273eaab9fa300db5fe57e6fb279b59522887532a83 [2024-10-14 10:00:06,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 10:00:06,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 10:00:06,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 10:00:06,859 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 10:00:06,860 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 10:00:06,861 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-52.i [2024-10-14 10:00:08,369 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 10:00:08,671 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 10:00:08,672 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-52.i [2024-10-14 10:00:08,691 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe0523b70/0802093cbfdb46bc9d79c84f1436fe4f/FLAGfb8a3265e [2024-10-14 10:00:08,710 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe0523b70/0802093cbfdb46bc9d79c84f1436fe4f [2024-10-14 10:00:08,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 10:00:08,718 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 10:00:08,725 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 10:00:08,725 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 10:00:08,738 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 10:00:08,739 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:00:08" (1/1) ... [2024-10-14 10:00:08,745 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bcd5a11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:00:08, skipping insertion in model container [2024-10-14 10:00:08,746 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:00:08" (1/1) ... [2024-10-14 10:00:08,812 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 10:00:09,141 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-52.i[919,932] [2024-10-14 10:00:09,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 10:00:09,299 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 10:00:09,308 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-52.i[919,932] [2024-10-14 10:00:09,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 10:00:09,358 INFO L204 MainTranslator]: Completed translation [2024-10-14 10:00:09,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:00:09 WrapperNode [2024-10-14 10:00:09,359 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 10:00:09,360 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 10:00:09,360 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 10:00:09,360 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 10:00:09,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:00:09" (1/1) ... [2024-10-14 10:00:09,376 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:00:09" (1/1) ... [2024-10-14 10:00:09,410 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 206 [2024-10-14 10:00:09,410 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 10:00:09,411 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 10:00:09,411 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 10:00:09,411 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 10:00:09,426 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:00:09" (1/1) ... [2024-10-14 10:00:09,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:00:09" (1/1) ... [2024-10-14 10:00:09,429 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:00:09" (1/1) ... [2024-10-14 10:00:09,444 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 10:00:09,444 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:00:09" (1/1) ... [2024-10-14 10:00:09,444 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:00:09" (1/1) ... [2024-10-14 10:00:09,452 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:00:09" (1/1) ... [2024-10-14 10:00:09,455 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:00:09" (1/1) ... [2024-10-14 10:00:09,457 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:00:09" (1/1) ... [2024-10-14 10:00:09,459 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:00:09" (1/1) ... [2024-10-14 10:00:09,462 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 10:00:09,463 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 10:00:09,463 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 10:00:09,463 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 10:00:09,464 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:00:09" (1/1) ... [2024-10-14 10:00:09,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 10:00:09,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 10:00:09,500 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 10:00:09,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 10:00:09,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 10:00:09,550 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 10:00:09,551 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 10:00:09,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 10:00:09,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 10:00:09,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 10:00:09,650 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 10:00:09,652 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 10:00:10,005 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-10-14 10:00:10,009 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 10:00:10,058 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 10:00:10,059 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 10:00:10,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:00:10 BoogieIcfgContainer [2024-10-14 10:00:10,059 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 10:00:10,061 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 10:00:10,061 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 10:00:10,063 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 10:00:10,064 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:00:08" (1/3) ... [2024-10-14 10:00:10,064 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b8f3005 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:00:10, skipping insertion in model container [2024-10-14 10:00:10,064 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:00:09" (2/3) ... [2024-10-14 10:00:10,065 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b8f3005 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:00:10, skipping insertion in model container [2024-10-14 10:00:10,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:00:10" (3/3) ... [2024-10-14 10:00:10,066 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-52.i [2024-10-14 10:00:10,083 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 10:00:10,083 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 10:00:10,128 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 10:00:10,133 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;@7a1522c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 10:00:10,133 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 10:00:10,136 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 55 states have (on average 1.5272727272727273) internal successors, (84), 56 states have internal predecessors, (84), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-14 10:00:10,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-10-14 10:00:10,146 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:00:10,147 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:00:10,147 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:00:10,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:00:10,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1507164284, now seen corresponding path program 1 times [2024-10-14 10:00:10,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:00:10,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209517051] [2024-10-14 10:00:10,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:00:10,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:00:10,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:10,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:00:10,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:10,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:00:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:10,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:00:10,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:10,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:00:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:10,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:00:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:10,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:00:10,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:10,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:00:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:10,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:00:10,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:10,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:00:10,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:10,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:00:10,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:10,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:00:10,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:10,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:00:10,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:10,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:00:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:10,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:00:10,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:10,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:00:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:10,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:00:10,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:10,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:00:10,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:10,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 10:00:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:10,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 10:00:10,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:10,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 10:00:10,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:10,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:00:10,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:10,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 10:00:10,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:10,576 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-14 10:00:10,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:00:10,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209517051] [2024-10-14 10:00:10,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209517051] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:00:10,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:00:10,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 10:00:10,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958157220] [2024-10-14 10:00:10,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:00:10,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 10:00:10,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:00:10,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 10:00:10,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 10:00:10,603 INFO L87 Difference]: Start difference. First operand has 80 states, 55 states have (on average 1.5272727272727273) internal successors, (84), 56 states have internal predecessors, (84), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-14 10:00:10,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:00:10,653 INFO L93 Difference]: Finished difference Result 157 states and 276 transitions. [2024-10-14 10:00:10,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 10:00:10,659 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 147 [2024-10-14 10:00:10,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:00:10,665 INFO L225 Difference]: With dead ends: 157 [2024-10-14 10:00:10,666 INFO L226 Difference]: Without dead ends: 78 [2024-10-14 10:00:10,670 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 10:00:10,673 INFO L432 NwaCegarLoop]: 120 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, 120 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 [2024-10-14 10:00:10,675 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 10:00:10,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-10-14 10:00:10,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-10-14 10:00:10,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 54 states have (on average 1.462962962962963) internal successors, (79), 54 states have internal predecessors, (79), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-14 10:00:10,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 123 transitions. [2024-10-14 10:00:10,731 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 123 transitions. Word has length 147 [2024-10-14 10:00:10,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:00:10,732 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 123 transitions. [2024-10-14 10:00:10,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-14 10:00:10,733 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 123 transitions. [2024-10-14 10:00:10,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-10-14 10:00:10,740 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:00:10,740 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:00:10,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 10:00:10,741 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:00:10,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:00:10,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1446440524, now seen corresponding path program 1 times [2024-10-14 10:00:10,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:00:10,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417781764] [2024-10-14 10:00:10,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:00:10,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:00:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:11,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:00:11,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:11,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:00:11,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:11,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:00:11,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:11,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:00:11,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:11,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:00:11,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:11,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:00:11,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:11,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:00:11,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:11,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:00:11,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:11,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:00:11,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:11,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:00:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:11,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:00:11,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:11,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:00:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:11,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:00:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:11,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:00:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:11,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:00:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:11,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:00:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:11,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:00:11,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:11,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 10:00:11,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:11,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 10:00:11,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:11,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 10:00:11,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:11,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:00:11,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:11,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 10:00:11,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:11,418 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-14 10:00:11,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:00:11,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417781764] [2024-10-14 10:00:11,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417781764] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:00:11,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:00:11,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 10:00:11,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412280492] [2024-10-14 10:00:11,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:00:11,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 10:00:11,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:00:11,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 10:00:11,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 10:00:11,425 INFO L87 Difference]: Start difference. First operand 78 states and 123 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-14 10:00:11,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:00:11,584 INFO L93 Difference]: Finished difference Result 228 states and 363 transitions. [2024-10-14 10:00:11,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 10:00:11,587 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 147 [2024-10-14 10:00:11,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:00:11,590 INFO L225 Difference]: With dead ends: 228 [2024-10-14 10:00:11,590 INFO L226 Difference]: Without dead ends: 151 [2024-10-14 10:00:11,594 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 10:00:11,595 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 71 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 10:00:11,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 218 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 10:00:11,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-10-14 10:00:11,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 132. [2024-10-14 10:00:11,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 85 states have (on average 1.4) internal successors, (119), 85 states have internal predecessors, (119), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-14 10:00:11,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 207 transitions. [2024-10-14 10:00:11,640 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 207 transitions. Word has length 147 [2024-10-14 10:00:11,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:00:11,644 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 207 transitions. [2024-10-14 10:00:11,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-14 10:00:11,644 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 207 transitions. [2024-10-14 10:00:11,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-14 10:00:11,646 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:00:11,646 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:00:11,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 10:00:11,646 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:00:11,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:00:11,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1628506987, now seen corresponding path program 1 times [2024-10-14 10:00:11,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:00:11,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187489589] [2024-10-14 10:00:11,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:00:11,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:00:11,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:12,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:00:12,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:12,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:00:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:12,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:00:12,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:12,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:00:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:12,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:00:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:12,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:00:12,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:12,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:00:12,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:12,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:00:12,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:12,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:00:12,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:12,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:00:12,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:12,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:00:12,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:12,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:00:12,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:12,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:00:12,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:12,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:00:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:12,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:00:12,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:12,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:00:12,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:12,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:00:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:12,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 10:00:12,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:12,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 10:00:12,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:12,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 10:00:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:12,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:00:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:12,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 10:00:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:12,373 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-14 10:00:12,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:00:12,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187489589] [2024-10-14 10:00:12,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187489589] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:00:12,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:00:12,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 10:00:12,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153512974] [2024-10-14 10:00:12,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:00:12,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 10:00:12,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:00:12,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 10:00:12,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 10:00:12,379 INFO L87 Difference]: Start difference. First operand 132 states and 207 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-14 10:00:12,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:00:12,454 INFO L93 Difference]: Finished difference Result 293 states and 464 transitions. [2024-10-14 10:00:12,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 10:00:12,459 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 148 [2024-10-14 10:00:12,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:00:12,462 INFO L225 Difference]: With dead ends: 293 [2024-10-14 10:00:12,462 INFO L226 Difference]: Without dead ends: 208 [2024-10-14 10:00:12,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 10:00:12,464 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 82 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 10:00:12,466 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 225 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 10:00:12,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-10-14 10:00:12,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 206. [2024-10-14 10:00:12,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 136 states have (on average 1.4191176470588236) internal successors, (193), 136 states have internal predecessors, (193), 66 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-14 10:00:12,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 325 transitions. [2024-10-14 10:00:12,516 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 325 transitions. Word has length 148 [2024-10-14 10:00:12,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:00:12,518 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 325 transitions. [2024-10-14 10:00:12,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-14 10:00:12,518 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 325 transitions. [2024-10-14 10:00:12,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-10-14 10:00:12,522 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:00:12,522 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:00:12,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 10:00:12,523 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:00:12,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:00:12,525 INFO L85 PathProgramCache]: Analyzing trace with hash -854753648, now seen corresponding path program 1 times [2024-10-14 10:00:12,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:00:12,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424818328] [2024-10-14 10:00:12,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:00:12,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:00:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:13,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:00:13,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:13,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:00:13,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:13,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:00:13,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:13,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:00:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:13,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:00:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:13,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:00:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:13,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:00:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:13,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:00:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:13,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:00:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:13,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:00:13,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:13,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:00:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:13,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:00:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:13,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:00:13,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:13,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:00:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:13,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:00:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:13,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:00:13,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:13,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:00:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:13,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 10:00:13,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:13,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 10:00:13,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:13,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 10:00:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:13,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:00:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:13,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 10:00:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:13,827 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-14 10:00:13,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:00:13,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424818328] [2024-10-14 10:00:13,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424818328] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:00:13,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:00:13,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 10:00:13,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46462974] [2024-10-14 10:00:13,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:00:13,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 10:00:13,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:00:13,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 10:00:13,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-14 10:00:13,830 INFO L87 Difference]: Start difference. First operand 206 states and 325 transitions. Second operand has 9 states, 8 states have (on average 5.25) internal successors, (42), 9 states have internal predecessors, (42), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2024-10-14 10:00:14,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:00:14,263 INFO L93 Difference]: Finished difference Result 427 states and 681 transitions. [2024-10-14 10:00:14,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 10:00:14,264 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.25) internal successors, (42), 9 states have internal predecessors, (42), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 149 [2024-10-14 10:00:14,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:00:14,267 INFO L225 Difference]: With dead ends: 427 [2024-10-14 10:00:14,267 INFO L226 Difference]: Without dead ends: 266 [2024-10-14 10:00:14,269 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2024-10-14 10:00:14,270 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 158 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 10:00:14,270 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 479 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 10:00:14,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2024-10-14 10:00:14,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 206. [2024-10-14 10:00:14,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 136 states have (on average 1.411764705882353) internal successors, (192), 136 states have internal predecessors, (192), 66 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-14 10:00:14,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 324 transitions. [2024-10-14 10:00:14,348 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 324 transitions. Word has length 149 [2024-10-14 10:00:14,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:00:14,349 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 324 transitions. [2024-10-14 10:00:14,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.25) internal successors, (42), 9 states have internal predecessors, (42), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2024-10-14 10:00:14,350 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 324 transitions. [2024-10-14 10:00:14,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-10-14 10:00:14,355 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:00:14,355 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:00:14,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 10:00:14,356 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:00:14,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:00:14,356 INFO L85 PathProgramCache]: Analyzing trace with hash 2020231667, now seen corresponding path program 1 times [2024-10-14 10:00:14,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:00:14,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989940356] [2024-10-14 10:00:14,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:00:14,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:00:14,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:14,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:00:14,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:14,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:00:14,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:14,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:00:14,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:14,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:00:14,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:14,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:00:14,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:14,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:00:14,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:14,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:00:14,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:14,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:00:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:14,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:00:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:14,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:00:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:14,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:00:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:14,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:00:14,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:14,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:00:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:14,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:00:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:14,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:00:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:14,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:00:14,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:14,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:00:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:14,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 10:00:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:14,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 10:00:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:14,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 10:00:14,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:14,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:00:14,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:14,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 10:00:14,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:14,908 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-14 10:00:14,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:00:14,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989940356] [2024-10-14 10:00:14,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989940356] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:00:14,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:00:14,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 10:00:14,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385094082] [2024-10-14 10:00:14,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:00:14,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 10:00:14,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:00:14,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 10:00:14,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-14 10:00:14,910 INFO L87 Difference]: Start difference. First operand 206 states and 324 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-14 10:00:15,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:00:15,205 INFO L93 Difference]: Finished difference Result 422 states and 672 transitions. [2024-10-14 10:00:15,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 10:00:15,205 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-10-14 10:00:15,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:00:15,207 INFO L225 Difference]: With dead ends: 422 [2024-10-14 10:00:15,207 INFO L226 Difference]: Without dead ends: 271 [2024-10-14 10:00:15,208 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-14 10:00:15,209 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 193 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 10:00:15,209 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 326 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 10:00:15,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-10-14 10:00:15,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 232. [2024-10-14 10:00:15,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 162 states have (on average 1.4197530864197532) internal successors, (230), 162 states have internal predecessors, (230), 66 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-14 10:00:15,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 362 transitions. [2024-10-14 10:00:15,229 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 362 transitions. Word has length 151 [2024-10-14 10:00:15,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:00:15,230 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 362 transitions. [2024-10-14 10:00:15,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-14 10:00:15,230 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 362 transitions. [2024-10-14 10:00:15,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-10-14 10:00:15,231 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:00:15,231 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:00:15,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 10:00:15,232 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:00:15,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:00:15,232 INFO L85 PathProgramCache]: Analyzing trace with hash 999163313, now seen corresponding path program 1 times [2024-10-14 10:00:15,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:00:15,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484290703] [2024-10-14 10:00:15,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:00:15,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:00:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:00:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:00:15,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:00:15,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:00:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:00:15,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:00:15,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:00:15,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:00:15,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:00:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:00:15,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:00:15,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:00:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:00:15,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:00:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:00:15,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:00:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:00:15,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 10:00:15,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 10:00:15,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 10:00:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:00:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 10:00:15,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,400 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-14 10:00:15,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:00:15,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484290703] [2024-10-14 10:00:15,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484290703] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:00:15,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:00:15,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 10:00:15,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431167854] [2024-10-14 10:00:15,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:00:15,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 10:00:15,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:00:15,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 10:00:15,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 10:00:15,402 INFO L87 Difference]: Start difference. First operand 232 states and 362 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-14 10:00:15,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:00:15,574 INFO L93 Difference]: Finished difference Result 615 states and 971 transitions. [2024-10-14 10:00:15,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 10:00:15,575 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-10-14 10:00:15,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:00:15,577 INFO L225 Difference]: With dead ends: 615 [2024-10-14 10:00:15,577 INFO L226 Difference]: Without dead ends: 463 [2024-10-14 10:00:15,578 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 10:00:15,579 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 194 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 10:00:15,579 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 537 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 10:00:15,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2024-10-14 10:00:15,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 267. [2024-10-14 10:00:15,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 197 states have (on average 1.4314720812182742) internal successors, (282), 197 states have internal predecessors, (282), 66 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-14 10:00:15,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 414 transitions. [2024-10-14 10:00:15,600 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 414 transitions. Word has length 151 [2024-10-14 10:00:15,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:00:15,601 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 414 transitions. [2024-10-14 10:00:15,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-14 10:00:15,601 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 414 transitions. [2024-10-14 10:00:15,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-10-14 10:00:15,602 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:00:15,602 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:00:15,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 10:00:15,602 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:00:15,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:00:15,603 INFO L85 PathProgramCache]: Analyzing trace with hash 172501235, now seen corresponding path program 1 times [2024-10-14 10:00:15,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:00:15,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135375894] [2024-10-14 10:00:15,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:00:15,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:00:15,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:00:15,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:00:15,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:00:15,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:00:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:00:15,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:00:15,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:00:15,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:00:15,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:00:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:00:15,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:00:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:00:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:00:15,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:00:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:00:15,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:00:15,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:00:15,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 10:00:15,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 10:00:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 10:00:15,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:00:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 10:00:15,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,672 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-14 10:00:15,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:00:15,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135375894] [2024-10-14 10:00:15,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135375894] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:00:15,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:00:15,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 10:00:15,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55106146] [2024-10-14 10:00:15,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:00:15,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 10:00:15,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:00:15,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 10:00:15,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 10:00:15,674 INFO L87 Difference]: Start difference. First operand 267 states and 414 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-14 10:00:15,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:00:15,726 INFO L93 Difference]: Finished difference Result 593 states and 924 transitions. [2024-10-14 10:00:15,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 10:00:15,726 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-10-14 10:00:15,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:00:15,729 INFO L225 Difference]: With dead ends: 593 [2024-10-14 10:00:15,729 INFO L226 Difference]: Without dead ends: 409 [2024-10-14 10:00:15,730 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 10:00:15,730 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 92 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 10:00:15,731 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 314 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 10:00:15,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2024-10-14 10:00:15,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 286. [2024-10-14 10:00:15,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 216 states have (on average 1.4259259259259258) internal successors, (308), 216 states have internal predecessors, (308), 66 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-14 10:00:15,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 440 transitions. [2024-10-14 10:00:15,755 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 440 transitions. Word has length 151 [2024-10-14 10:00:15,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:00:15,755 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 440 transitions. [2024-10-14 10:00:15,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-14 10:00:15,756 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 440 transitions. [2024-10-14 10:00:15,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-10-14 10:00:15,757 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:00:15,757 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:00:15,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 10:00:15,757 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:00:15,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:00:15,757 INFO L85 PathProgramCache]: Analyzing trace with hash -848567119, now seen corresponding path program 1 times [2024-10-14 10:00:15,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:00:15,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382238485] [2024-10-14 10:00:15,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:00:15,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:00:15,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:00:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:00:15,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:00:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:00:15,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:00:15,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:00:15,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:00:15,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:00:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:00:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:00:15,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:00:15,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:00:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:00:15,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:00:15,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:00:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:15,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:00:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:16,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:00:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:16,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 10:00:16,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:16,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 10:00:16,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:16,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 10:00:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:16,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:00:16,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:16,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 10:00:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:16,011 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-14 10:00:16,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:00:16,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382238485] [2024-10-14 10:00:16,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382238485] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:00:16,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:00:16,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 10:00:16,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715110311] [2024-10-14 10:00:16,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:00:16,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 10:00:16,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:00:16,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 10:00:16,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 10:00:16,013 INFO L87 Difference]: Start difference. First operand 286 states and 440 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-14 10:00:16,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:00:16,261 INFO L93 Difference]: Finished difference Result 585 states and 906 transitions. [2024-10-14 10:00:16,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 10:00:16,261 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-10-14 10:00:16,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:00:16,264 INFO L225 Difference]: With dead ends: 585 [2024-10-14 10:00:16,264 INFO L226 Difference]: Without dead ends: 358 [2024-10-14 10:00:16,265 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-14 10:00:16,266 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 151 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 10:00:16,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 375 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 10:00:16,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2024-10-14 10:00:16,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 303. [2024-10-14 10:00:16,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 233 states have (on average 1.4248927038626609) internal successors, (332), 233 states have internal predecessors, (332), 66 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-14 10:00:16,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 464 transitions. [2024-10-14 10:00:16,302 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 464 transitions. Word has length 151 [2024-10-14 10:00:16,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:00:16,302 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 464 transitions. [2024-10-14 10:00:16,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-14 10:00:16,303 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 464 transitions. [2024-10-14 10:00:16,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-14 10:00:16,304 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:00:16,304 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:00:16,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 10:00:16,305 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:00:16,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:00:16,305 INFO L85 PathProgramCache]: Analyzing trace with hash 517250105, now seen corresponding path program 1 times [2024-10-14 10:00:16,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:00:16,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262847645] [2024-10-14 10:00:16,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:00:16,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:00:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:22,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:00:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:22,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:00:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:22,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:00:22,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:22,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:00:22,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:22,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:00:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:22,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:00:22,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:22,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:00:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:22,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:00:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:22,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:00:22,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:22,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:00:22,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:22,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:00:22,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:22,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:00:22,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:22,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:00:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:22,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:00:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:22,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:00:22,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:22,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:00:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:22,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:00:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:22,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 10:00:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:22,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 10:00:22,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:22,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 10:00:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:22,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:00:22,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:22,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 10:00:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:22,384 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-14 10:00:22,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:00:22,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262847645] [2024-10-14 10:00:22,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262847645] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:00:22,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:00:22,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-14 10:00:22,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893691105] [2024-10-14 10:00:22,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:00:22,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-14 10:00:22,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:00:22,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-14 10:00:22,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-10-14 10:00:22,387 INFO L87 Difference]: Start difference. First operand 303 states and 464 transitions. Second operand has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-10-14 10:00:24,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:00:24,080 INFO L93 Difference]: Finished difference Result 623 states and 951 transitions. [2024-10-14 10:00:24,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 10:00:24,081 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 152 [2024-10-14 10:00:24,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:00:24,084 INFO L225 Difference]: With dead ends: 623 [2024-10-14 10:00:24,084 INFO L226 Difference]: Without dead ends: 405 [2024-10-14 10:00:24,085 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=102, Invalid=318, Unknown=0, NotChecked=0, Total=420 [2024-10-14 10:00:24,086 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 464 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-14 10:00:24,087 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 523 Invalid, 821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-14 10:00:24,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-10-14 10:00:24,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 326. [2024-10-14 10:00:24,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 255 states have (on average 1.407843137254902) internal successors, (359), 255 states have internal predecessors, (359), 66 states have call successors, (66), 4 states have call predecessors, (66), 4 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-14 10:00:24,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 491 transitions. [2024-10-14 10:00:24,142 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 491 transitions. Word has length 152 [2024-10-14 10:00:24,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:00:24,142 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 491 transitions. [2024-10-14 10:00:24,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-10-14 10:00:24,143 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 491 transitions. [2024-10-14 10:00:24,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-14 10:00:24,144 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:00:24,145 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:00:24,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 10:00:24,145 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:00:24,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:00:24,146 INFO L85 PathProgramCache]: Analyzing trace with hash 7777015, now seen corresponding path program 1 times [2024-10-14 10:00:24,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:00:24,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306789508] [2024-10-14 10:00:24,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:00:24,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:00:24,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:00:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:00:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:00:24,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:00:24,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:00:24,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:00:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:00:24,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:00:24,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:00:24,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:00:24,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:00:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:00:24,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:00:24,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:00:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:00:24,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:00:24,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:00:24,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 10:00:24,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 10:00:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 10:00:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:00:24,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 10:00:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,315 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-14 10:00:24,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:00:24,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306789508] [2024-10-14 10:00:24,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306789508] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:00:24,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:00:24,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 10:00:24,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245236698] [2024-10-14 10:00:24,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:00:24,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 10:00:24,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:00:24,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 10:00:24,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 10:00:24,318 INFO L87 Difference]: Start difference. First operand 326 states and 491 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-14 10:00:24,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:00:24,464 INFO L93 Difference]: Finished difference Result 516 states and 785 transitions. [2024-10-14 10:00:24,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 10:00:24,465 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-10-14 10:00:24,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:00:24,467 INFO L225 Difference]: With dead ends: 516 [2024-10-14 10:00:24,467 INFO L226 Difference]: Without dead ends: 266 [2024-10-14 10:00:24,468 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 10:00:24,469 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 139 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 10:00:24,470 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 181 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 10:00:24,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2024-10-14 10:00:24,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2024-10-14 10:00:24,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 195 states have (on average 1.353846153846154) internal successors, (264), 195 states have internal predecessors, (264), 66 states have call successors, (66), 4 states have call predecessors, (66), 4 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-14 10:00:24,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 396 transitions. [2024-10-14 10:00:24,501 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 396 transitions. Word has length 152 [2024-10-14 10:00:24,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:00:24,502 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 396 transitions. [2024-10-14 10:00:24,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-14 10:00:24,502 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 396 transitions. [2024-10-14 10:00:24,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-10-14 10:00:24,504 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:00:24,504 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:00:24,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 10:00:24,505 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:00:24,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:00:24,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1670520758, now seen corresponding path program 1 times [2024-10-14 10:00:24,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:00:24,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88355529] [2024-10-14 10:00:24,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:00:24,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:00:24,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:00:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:00:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:00:24,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:00:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:00:24,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:00:24,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:00:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:00:24,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:00:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:00:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:00:24,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:00:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:00:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:00:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:00:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:00:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:00:24,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 10:00:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 10:00:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 10:00:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:00:24,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 10:00:24,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:24,997 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-14 10:00:24,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:00:24,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88355529] [2024-10-14 10:00:24,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88355529] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:00:24,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:00:24,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 10:00:24,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712655278] [2024-10-14 10:00:24,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:00:24,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 10:00:24,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:00:24,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 10:00:24,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-14 10:00:24,999 INFO L87 Difference]: Start difference. First operand 266 states and 396 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-14 10:00:25,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:00:25,164 INFO L93 Difference]: Finished difference Result 523 states and 781 transitions. [2024-10-14 10:00:25,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 10:00:25,165 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 153 [2024-10-14 10:00:25,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:00:25,168 INFO L225 Difference]: With dead ends: 523 [2024-10-14 10:00:25,168 INFO L226 Difference]: Without dead ends: 355 [2024-10-14 10:00:25,169 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-14 10:00:25,170 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 120 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 10:00:25,170 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 308 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 10:00:25,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-10-14 10:00:25,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 306. [2024-10-14 10:00:25,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 232 states have (on average 1.331896551724138) internal successors, (309), 232 states have internal predecessors, (309), 66 states have call successors, (66), 7 states have call predecessors, (66), 7 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-14 10:00:25,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 441 transitions. [2024-10-14 10:00:25,202 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 441 transitions. Word has length 153 [2024-10-14 10:00:25,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:00:25,202 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 441 transitions. [2024-10-14 10:00:25,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-14 10:00:25,202 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 441 transitions. [2024-10-14 10:00:25,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-10-14 10:00:25,205 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:00:25,205 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:00:25,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 10:00:25,205 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:00:25,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:00:25,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1850685308, now seen corresponding path program 1 times [2024-10-14 10:00:25,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:00:25,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290205620] [2024-10-14 10:00:25,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:00:25,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:00:25,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:25,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:00:25,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:25,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:00:25,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:25,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:00:25,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:25,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:00:25,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:25,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:00:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:25,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:00:25,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:25,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:00:25,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:25,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:00:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:25,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:00:25,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:25,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:00:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:25,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:00:25,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:25,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:00:25,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:25,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:00:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:25,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:00:25,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:25,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:00:25,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:25,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:00:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:25,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:00:25,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:25,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 10:00:25,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:25,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 10:00:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:25,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 10:00:25,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:25,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:00:25,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:25,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 10:00:25,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:25,399 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-14 10:00:25,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:00:25,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290205620] [2024-10-14 10:00:25,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290205620] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:00:25,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:00:25,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 10:00:25,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673195531] [2024-10-14 10:00:25,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:00:25,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 10:00:25,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:00:25,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 10:00:25,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 10:00:25,401 INFO L87 Difference]: Start difference. First operand 306 states and 441 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-14 10:00:25,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:00:25,737 INFO L93 Difference]: Finished difference Result 662 states and 951 transitions. [2024-10-14 10:00:25,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 10:00:25,737 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 154 [2024-10-14 10:00:25,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:00:25,740 INFO L225 Difference]: With dead ends: 662 [2024-10-14 10:00:25,740 INFO L226 Difference]: Without dead ends: 439 [2024-10-14 10:00:25,741 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-14 10:00:25,741 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 386 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 10:00:25,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 206 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 10:00:25,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2024-10-14 10:00:25,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 316. [2024-10-14 10:00:25,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 240 states have (on average 1.3166666666666667) internal successors, (316), 240 states have internal predecessors, (316), 66 states have call successors, (66), 9 states have call predecessors, (66), 9 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-14 10:00:25,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 448 transitions. [2024-10-14 10:00:25,766 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 448 transitions. Word has length 154 [2024-10-14 10:00:25,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:00:25,766 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 448 transitions. [2024-10-14 10:00:25,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-14 10:00:25,767 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 448 transitions. [2024-10-14 10:00:25,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-10-14 10:00:25,768 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:00:25,768 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:00:25,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 10:00:25,768 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:00:25,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:00:25,769 INFO L85 PathProgramCache]: Analyzing trace with hash 829616954, now seen corresponding path program 1 times [2024-10-14 10:00:25,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:00:25,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750465013] [2024-10-14 10:00:25,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:00:25,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:00:25,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:38,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:00:38,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:38,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:00:38,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:38,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:00:38,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:38,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:00:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:38,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:00:38,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:38,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:00:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:38,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:00:38,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:38,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:00:38,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:38,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:00:38,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:38,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:00:38,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:38,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:00:38,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:38,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:00:38,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:38,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:00:38,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:38,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:00:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:38,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:00:38,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:38,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:00:38,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:38,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:00:38,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:38,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 10:00:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:38,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 10:00:38,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:38,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 10:00:38,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:38,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:00:38,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:38,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 10:00:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:38,410 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-14 10:00:38,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:00:38,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750465013] [2024-10-14 10:00:38,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750465013] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:00:38,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:00:38,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-10-14 10:00:38,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099900834] [2024-10-14 10:00:38,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:00:38,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-14 10:00:38,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:00:38,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-14 10:00:38,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2024-10-14 10:00:38,412 INFO L87 Difference]: Start difference. First operand 316 states and 448 transitions. Second operand has 17 states, 16 states have (on average 2.9375) internal successors, (47), 17 states have internal predecessors, (47), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2024-10-14 10:00:42,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:00:42,109 INFO L93 Difference]: Finished difference Result 579 states and 818 transitions. [2024-10-14 10:00:42,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 10:00:42,110 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 2.9375) internal successors, (47), 17 states have internal predecessors, (47), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 154 [2024-10-14 10:00:42,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:00:42,113 INFO L225 Difference]: With dead ends: 579 [2024-10-14 10:00:42,113 INFO L226 Difference]: Without dead ends: 364 [2024-10-14 10:00:42,115 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=209, Invalid=661, Unknown=0, NotChecked=0, Total=870 [2024-10-14 10:00:42,116 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 677 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 677 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-14 10:00:42,116 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [677 Valid, 533 Invalid, 908 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-14 10:00:42,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-10-14 10:00:42,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 322. [2024-10-14 10:00:42,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 246 states have (on average 1.3048780487804879) internal successors, (321), 246 states have internal predecessors, (321), 66 states have call successors, (66), 9 states have call predecessors, (66), 9 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-14 10:00:42,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 453 transitions. [2024-10-14 10:00:42,160 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 453 transitions. Word has length 154 [2024-10-14 10:00:42,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:00:42,162 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 453 transitions. [2024-10-14 10:00:42,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 2.9375) internal successors, (47), 17 states have internal predecessors, (47), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2024-10-14 10:00:42,162 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 453 transitions. [2024-10-14 10:00:42,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-10-14 10:00:42,164 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:00:42,164 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:00:42,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-14 10:00:42,164 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:00:42,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:00:42,165 INFO L85 PathProgramCache]: Analyzing trace with hash -308206475, now seen corresponding path program 1 times [2024-10-14 10:00:42,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:00:42,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330175753] [2024-10-14 10:00:42,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:00:42,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:00:42,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:45,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:00:45,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:45,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:00:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:45,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:00:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:45,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:00:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:45,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:00:45,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:45,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:00:45,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:45,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:00:45,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:45,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:00:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:45,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:00:45,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:45,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:00:45,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:45,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:00:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:45,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:00:45,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:45,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:00:45,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:45,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:00:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:45,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:00:45,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:45,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:00:45,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:45,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:00:45,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:45,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 10:00:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:45,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 10:00:45,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:45,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 10:00:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:45,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:00:45,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:45,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 10:00:45,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:45,758 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-14 10:00:45,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:00:45,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330175753] [2024-10-14 10:00:45,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330175753] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:00:45,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:00:45,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-14 10:00:45,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188053593] [2024-10-14 10:00:45,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:00:45,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 10:00:45,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:00:45,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 10:00:45,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-10-14 10:00:45,760 INFO L87 Difference]: Start difference. First operand 322 states and 453 transitions. Second operand has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 11 states have internal predecessors, (47), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-14 10:00:46,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:00:46,872 INFO L93 Difference]: Finished difference Result 646 states and 919 transitions. [2024-10-14 10:00:46,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 10:00:46,873 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 11 states have internal predecessors, (47), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 154 [2024-10-14 10:00:46,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:00:46,876 INFO L225 Difference]: With dead ends: 646 [2024-10-14 10:00:46,876 INFO L226 Difference]: Without dead ends: 436 [2024-10-14 10:00:46,877 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2024-10-14 10:00:46,877 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 233 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 10:00:46,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 264 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 432 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 10:00:46,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-10-14 10:00:46,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 382. [2024-10-14 10:00:46,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 306 states have (on average 1.3202614379084967) internal successors, (404), 306 states have internal predecessors, (404), 66 states have call successors, (66), 9 states have call predecessors, (66), 9 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-14 10:00:46,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 536 transitions. [2024-10-14 10:00:46,917 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 536 transitions. Word has length 154 [2024-10-14 10:00:46,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:00:46,917 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 536 transitions. [2024-10-14 10:00:46,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 11 states have internal predecessors, (47), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-14 10:00:46,918 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 536 transitions. [2024-10-14 10:00:46,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-10-14 10:00:46,919 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:00:46,919 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:00:46,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-14 10:00:46,920 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:00:46,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:00:46,920 INFO L85 PathProgramCache]: Analyzing trace with hash 861382903, now seen corresponding path program 1 times [2024-10-14 10:00:46,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:00:46,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642628774] [2024-10-14 10:00:46,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:00:46,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:00:46,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:49,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:00:49,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:49,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:00:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:49,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:00:49,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:49,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:00:49,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:49,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:00:49,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:49,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:00:49,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:49,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:00:49,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:49,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:00:49,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:49,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:00:49,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:49,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:00:49,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:49,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:00:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:49,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:00:49,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:49,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:00:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:49,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:00:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:49,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:00:49,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:49,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:00:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:49,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:00:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:49,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 10:00:49,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:49,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 10:00:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:49,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 10:00:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:49,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:00:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:49,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 10:00:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:00:49,705 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-14 10:00:49,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:00:49,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642628774] [2024-10-14 10:00:49,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642628774] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:00:49,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:00:49,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-14 10:00:49,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246265586] [2024-10-14 10:00:49,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:00:49,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 10:00:49,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:00:49,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 10:00:49,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-10-14 10:00:49,709 INFO L87 Difference]: Start difference. First operand 382 states and 536 transitions. Second operand has 11 states, 10 states have (on average 4.7) internal successors, (47), 11 states have internal predecessors, (47), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2024-10-14 10:00:51,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:00:51,489 INFO L93 Difference]: Finished difference Result 676 states and 951 transitions. [2024-10-14 10:00:51,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 10:00:51,489 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.7) internal successors, (47), 11 states have internal predecessors, (47), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 154 [2024-10-14 10:00:51,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:00:51,491 INFO L225 Difference]: With dead ends: 676 [2024-10-14 10:00:51,491 INFO L226 Difference]: Without dead ends: 393 [2024-10-14 10:00:51,492 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-10-14 10:00:51,492 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 217 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-14 10:00:51,493 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 596 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-14 10:00:51,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-10-14 10:00:51,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 367. [2024-10-14 10:00:51,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 291 states have (on average 1.3195876288659794) internal successors, (384), 291 states have internal predecessors, (384), 66 states have call successors, (66), 9 states have call predecessors, (66), 9 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-14 10:00:51,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 516 transitions. [2024-10-14 10:00:51,517 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 516 transitions. Word has length 154 [2024-10-14 10:00:51,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:00:51,518 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 516 transitions. [2024-10-14 10:00:51,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.7) internal successors, (47), 11 states have internal predecessors, (47), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2024-10-14 10:00:51,518 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 516 transitions. [2024-10-14 10:00:51,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-10-14 10:00:51,519 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:00:51,519 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:00:51,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-14 10:00:51,519 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:00:51,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:00:51,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1439153630, now seen corresponding path program 1 times [2024-10-14 10:00:51,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:00:51,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443099261] [2024-10-14 10:00:51,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:00:51,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:00:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:02,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:01:02,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:02,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:01:02,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:02,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:01:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:02,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:01:02,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:02,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:01:02,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:02,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:01:02,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:02,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:01:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:02,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:01:02,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:02,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:01:03,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:03,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:01:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:03,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:01:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:03,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:01:03,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:03,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:01:03,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:03,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:01:03,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:03,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:01:03,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:03,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:01:03,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:03,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:01:03,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:03,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 10:01:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:03,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 10:01:03,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:03,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 10:01:03,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:03,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:01:03,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:03,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 10:01:03,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:03,047 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-14 10:01:03,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:01:03,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443099261] [2024-10-14 10:01:03,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443099261] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:01:03,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:01:03,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-10-14 10:01:03,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775184723] [2024-10-14 10:01:03,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:01:03,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-14 10:01:03,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:01:03,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-14 10:01:03,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2024-10-14 10:01:03,049 INFO L87 Difference]: Start difference. First operand 367 states and 516 transitions. Second operand has 18 states, 17 states have (on average 2.823529411764706) internal successors, (48), 18 states have internal predecessors, (48), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2024-10-14 10:01:05,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:01:05,798 INFO L93 Difference]: Finished difference Result 675 states and 947 transitions. [2024-10-14 10:01:05,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 10:01:05,799 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 2.823529411764706) internal successors, (48), 18 states have internal predecessors, (48), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 155 [2024-10-14 10:01:05,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:01:05,801 INFO L225 Difference]: With dead ends: 675 [2024-10-14 10:01:05,801 INFO L226 Difference]: Without dead ends: 402 [2024-10-14 10:01:05,803 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=208, Invalid=662, Unknown=0, NotChecked=0, Total=870 [2024-10-14 10:01:05,804 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 534 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 992 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 534 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 1167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 992 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-14 10:01:05,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [534 Valid, 707 Invalid, 1167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 992 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-14 10:01:05,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2024-10-14 10:01:05,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 364. [2024-10-14 10:01:05,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 288 states have (on average 1.3125) internal successors, (378), 288 states have internal predecessors, (378), 66 states have call successors, (66), 9 states have call predecessors, (66), 9 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-14 10:01:05,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 510 transitions. [2024-10-14 10:01:05,846 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 510 transitions. Word has length 155 [2024-10-14 10:01:05,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:01:05,846 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 510 transitions. [2024-10-14 10:01:05,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 2.823529411764706) internal successors, (48), 18 states have internal predecessors, (48), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2024-10-14 10:01:05,847 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 510 transitions. [2024-10-14 10:01:05,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-10-14 10:01:05,847 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:01:05,848 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:01:05,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-14 10:01:05,848 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:01:05,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:01:05,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1109347149, now seen corresponding path program 1 times [2024-10-14 10:01:05,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:01:05,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839802243] [2024-10-14 10:01:05,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:01:05,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:01:05,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:01:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:01:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:01:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:01:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:01:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:01:06,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:01:06,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:01:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:01:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:01:06,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:01:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:01:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:01:06,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:01:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:01:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:01:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:01:06,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 10:01:06,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 10:01:06,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 10:01:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:01:06,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 10:01:06,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,347 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-14 10:01:06,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:01:06,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839802243] [2024-10-14 10:01:06,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839802243] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:01:06,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:01:06,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 10:01:06,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100284070] [2024-10-14 10:01:06,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:01:06,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 10:01:06,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:01:06,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 10:01:06,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 10:01:06,350 INFO L87 Difference]: Start difference. First operand 364 states and 510 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-14 10:01:06,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:01:06,457 INFO L93 Difference]: Finished difference Result 682 states and 963 transitions. [2024-10-14 10:01:06,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 10:01:06,457 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 156 [2024-10-14 10:01:06,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:01:06,459 INFO L225 Difference]: With dead ends: 682 [2024-10-14 10:01:06,459 INFO L226 Difference]: Without dead ends: 412 [2024-10-14 10:01:06,460 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-14 10:01:06,464 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 79 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 10:01:06,464 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 306 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 10:01:06,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-10-14 10:01:06,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 375. [2024-10-14 10:01:06,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 299 states have (on average 1.3010033444816054) internal successors, (389), 299 states have internal predecessors, (389), 66 states have call successors, (66), 9 states have call predecessors, (66), 9 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-14 10:01:06,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 521 transitions. [2024-10-14 10:01:06,499 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 521 transitions. Word has length 156 [2024-10-14 10:01:06,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:01:06,499 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 521 transitions. [2024-10-14 10:01:06,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-14 10:01:06,499 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 521 transitions. [2024-10-14 10:01:06,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2024-10-14 10:01:06,501 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:01:06,501 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:01:06,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-14 10:01:06,501 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:01:06,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:01:06,501 INFO L85 PathProgramCache]: Analyzing trace with hash 2102946196, now seen corresponding path program 1 times [2024-10-14 10:01:06,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:01:06,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587235738] [2024-10-14 10:01:06,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:01:06,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:01:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:01:06,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:01:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:01:06,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:01:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:01:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:01:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:01:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:01:06,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:01:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:01:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:01:06,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:01:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:01:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:01:06,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:01:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:01:06,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:01:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 10:01:06,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 10:01:06,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 10:01:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:01:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 10:01:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 10:01:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:01:06,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 10:01:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:01:06,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 10:01:06,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-14 10:01:06,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-14 10:01:06,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 10:01:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-14 10:01:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-14 10:01:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-14 10:01:06,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-14 10:01:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-14 10:01:06,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-14 10:01:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-14 10:01:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-14 10:01:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-14 10:01:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-14 10:01:06,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-14 10:01:06,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-14 10:01:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-14 10:01:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-14 10:01:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:06,850 INFO L134 CoverageAnalysis]: Checked inductivity of 3841 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 3821 trivial. 0 not checked. [2024-10-14 10:01:06,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:01:06,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587235738] [2024-10-14 10:01:06,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587235738] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:01:06,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:01:06,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 10:01:06,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284245887] [2024-10-14 10:01:06,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:01:06,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 10:01:06,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:01:06,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 10:01:06,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 10:01:06,851 INFO L87 Difference]: Start difference. First operand 375 states and 521 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-14 10:01:07,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:01:07,086 INFO L93 Difference]: Finished difference Result 834 states and 1168 transitions. [2024-10-14 10:01:07,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 10:01:07,087 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 301 [2024-10-14 10:01:07,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:01:07,089 INFO L225 Difference]: With dead ends: 834 [2024-10-14 10:01:07,090 INFO L226 Difference]: Without dead ends: 553 [2024-10-14 10:01:07,090 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-14 10:01:07,090 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 248 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 10:01:07,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 582 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 10:01:07,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2024-10-14 10:01:07,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 394. [2024-10-14 10:01:07,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 318 states have (on average 1.2955974842767295) internal successors, (412), 318 states have internal predecessors, (412), 66 states have call successors, (66), 9 states have call predecessors, (66), 9 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-14 10:01:07,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 544 transitions. [2024-10-14 10:01:07,119 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 544 transitions. Word has length 301 [2024-10-14 10:01:07,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:01:07,120 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 544 transitions. [2024-10-14 10:01:07,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-14 10:01:07,120 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 544 transitions. [2024-10-14 10:01:07,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2024-10-14 10:01:07,121 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:01:07,122 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:01:07,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-14 10:01:07,122 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:01:07,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:01:07,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1489152660, now seen corresponding path program 1 times [2024-10-14 10:01:07,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:01:07,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542797882] [2024-10-14 10:01:07,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:01:07,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:01:07,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:11,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:01:11,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:11,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:01:11,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:11,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:01:11,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:11,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:01:11,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:11,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:01:11,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:11,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:01:11,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:11,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:01:11,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:11,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:01:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:11,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:01:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:11,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:01:11,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:11,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:01:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:11,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:01:11,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:11,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:01:11,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:11,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:01:11,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:11,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:01:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:11,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:01:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:11,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:01:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:11,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 10:01:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:11,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 10:01:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:11,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 10:01:11,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:11,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:01:11,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:12,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 10:01:12,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:12,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 10:01:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:12,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:01:12,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:12,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 10:01:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:12,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:01:12,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:12,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 10:01:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:12,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-14 10:01:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:12,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-14 10:01:12,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:12,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 10:01:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:12,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-14 10:01:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:12,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-14 10:01:12,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:12,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-14 10:01:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:12,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-14 10:01:12,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:12,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-14 10:01:12,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:12,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-14 10:01:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:12,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-14 10:01:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:12,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-14 10:01:12,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:12,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-14 10:01:12,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:12,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-14 10:01:12,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:12,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-14 10:01:12,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:12,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-14 10:01:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:12,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-14 10:01:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:12,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-14 10:01:12,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:12,099 INFO L134 CoverageAnalysis]: Checked inductivity of 3840 backedges. 3 proven. 53 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-14 10:01:12,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:01:12,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542797882] [2024-10-14 10:01:12,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542797882] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 10:01:12,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604308217] [2024-10-14 10:01:12,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:01:12,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 10:01:12,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 10:01:12,104 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) [2024-10-14 10:01:12,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 10:01:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:12,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 10:01:12,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 10:01:12,379 INFO L134 CoverageAnalysis]: Checked inductivity of 3840 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 3821 trivial. 0 not checked. [2024-10-14 10:01:12,379 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 10:01:12,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1604308217] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:01:12,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 10:01:12,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [21] total 23 [2024-10-14 10:01:12,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931107203] [2024-10-14 10:01:12,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:01:12,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 10:01:12,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:01:12,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 10:01:12,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2024-10-14 10:01:12,382 INFO L87 Difference]: Start difference. First operand 394 states and 544 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-14 10:01:12,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:01:12,502 INFO L93 Difference]: Finished difference Result 643 states and 889 transitions. [2024-10-14 10:01:12,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 10:01:12,503 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 301 [2024-10-14 10:01:12,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:01:12,504 INFO L225 Difference]: With dead ends: 643 [2024-10-14 10:01:12,505 INFO L226 Difference]: Without dead ends: 333 [2024-10-14 10:01:12,505 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 414 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2024-10-14 10:01:12,506 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 106 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 10:01:12,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 340 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 10:01:12,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2024-10-14 10:01:12,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 333. [2024-10-14 10:01:12,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 257 states have (on average 1.2490272373540856) internal successors, (321), 257 states have internal predecessors, (321), 66 states have call successors, (66), 9 states have call predecessors, (66), 9 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-14 10:01:12,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 453 transitions. [2024-10-14 10:01:12,534 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 453 transitions. Word has length 301 [2024-10-14 10:01:12,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:01:12,534 INFO L471 AbstractCegarLoop]: Abstraction has 333 states and 453 transitions. [2024-10-14 10:01:12,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-14 10:01:12,535 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 453 transitions. [2024-10-14 10:01:12,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-10-14 10:01:12,548 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:01:12,548 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:01:12,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-14 10:01:12,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 10:01:12,749 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:01:12,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:01:12,750 INFO L85 PathProgramCache]: Analyzing trace with hash -445195497, now seen corresponding path program 1 times [2024-10-14 10:01:12,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:01:12,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266839090] [2024-10-14 10:01:12,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:01:12,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:01:12,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:01:15,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:01:15,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:01:15,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:01:15,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:01:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:01:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:01:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:01:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:01:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:01:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:01:15,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:01:15,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:01:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:01:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:01:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:01:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:01:15,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 10:01:15,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 10:01:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 10:01:15,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:01:15,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 10:01:15,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 10:01:15,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:01:15,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 10:01:15,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 10:01:15,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 10:01:15,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-14 10:01:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-14 10:01:15,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 10:01:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-14 10:01:15,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-14 10:01:15,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-14 10:01:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-14 10:01:15,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-14 10:01:15,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-14 10:01:15,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-14 10:01:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-14 10:01:15,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-14 10:01:15,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-10-14 10:01:15,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-14 10:01:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-14 10:01:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-14 10:01:15,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-10-14 10:01:15,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,449 INFO L134 CoverageAnalysis]: Checked inductivity of 3843 backedges. 14 proven. 45 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-14 10:01:15,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:01:15,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266839090] [2024-10-14 10:01:15,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266839090] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 10:01:15,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783139038] [2024-10-14 10:01:15,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:01:15,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 10:01:15,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 10:01:15,451 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) [2024-10-14 10:01:15,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 10:01:15,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:15,676 INFO L255 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-14 10:01:15,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 10:01:16,246 INFO L134 CoverageAnalysis]: Checked inductivity of 3843 backedges. 400 proven. 1829 refuted. 0 times theorem prover too weak. 1614 trivial. 0 not checked. [2024-10-14 10:01:16,246 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 10:01:16,651 INFO L134 CoverageAnalysis]: Checked inductivity of 3843 backedges. 31 proven. 157 refuted. 0 times theorem prover too weak. 3655 trivial. 0 not checked. [2024-10-14 10:01:16,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [783139038] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 10:01:16,652 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 10:01:16,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 6, 6] total 26 [2024-10-14 10:01:16,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715918067] [2024-10-14 10:01:16,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 10:01:16,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-14 10:01:16,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:01:16,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-14 10:01:16,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=559, Unknown=0, NotChecked=0, Total=650 [2024-10-14 10:01:16,654 INFO L87 Difference]: Start difference. First operand 333 states and 453 transitions. Second operand has 26 states, 25 states have (on average 9.0) internal successors, (225), 26 states have internal predecessors, (225), 10 states have call successors, (129), 3 states have call predecessors, (129), 5 states have return successors, (130), 9 states have call predecessors, (130), 10 states have call successors, (130) [2024-10-14 10:01:18,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:01:18,442 INFO L93 Difference]: Finished difference Result 712 states and 951 transitions. [2024-10-14 10:01:18,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-14 10:01:18,448 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 9.0) internal successors, (225), 26 states have internal predecessors, (225), 10 states have call successors, (129), 3 states have call predecessors, (129), 5 states have return successors, (130), 9 states have call predecessors, (130), 10 states have call successors, (130) Word has length 303 [2024-10-14 10:01:18,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:01:18,453 INFO L225 Difference]: With dead ends: 712 [2024-10-14 10:01:18,453 INFO L226 Difference]: Without dead ends: 463 [2024-10-14 10:01:18,455 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 736 GetRequests, 689 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=568, Invalid=1784, Unknown=0, NotChecked=0, Total=2352 [2024-10-14 10:01:18,457 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 1060 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 967 mSolverCounterSat, 395 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1060 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 1362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 395 IncrementalHoareTripleChecker+Valid, 967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-14 10:01:18,457 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1060 Valid, 733 Invalid, 1362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [395 Valid, 967 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-14 10:01:18,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2024-10-14 10:01:18,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 214. [2024-10-14 10:01:18,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 161 states have (on average 1.2173913043478262) internal successors, (196), 161 states have internal predecessors, (196), 44 states have call successors, (44), 8 states have call predecessors, (44), 8 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-14 10:01:18,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 284 transitions. [2024-10-14 10:01:18,509 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 284 transitions. Word has length 303 [2024-10-14 10:01:18,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:01:18,509 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 284 transitions. [2024-10-14 10:01:18,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 9.0) internal successors, (225), 26 states have internal predecessors, (225), 10 states have call successors, (129), 3 states have call predecessors, (129), 5 states have return successors, (130), 9 states have call predecessors, (130), 10 states have call successors, (130) [2024-10-14 10:01:18,510 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 284 transitions. [2024-10-14 10:01:18,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-10-14 10:01:18,512 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:01:18,512 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:01:18,532 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 10:01:18,716 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,SelfDestructingSolverStorable19 [2024-10-14 10:01:18,717 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:01:18,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:01:18,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1748770032, now seen corresponding path program 1 times [2024-10-14 10:01:18,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:01:18,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700622623] [2024-10-14 10:01:18,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:01:18,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:01:18,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:21,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:01:21,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:21,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:01:21,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:21,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:01:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:21,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:01:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:21,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:01:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:21,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:01:21,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:21,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:01:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:21,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:01:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:21,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:01:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:21,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:01:21,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:21,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:01:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:21,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:01:21,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:21,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 10:01:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:21,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:01:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:21,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 10:01:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:21,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:01:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:21,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 10:01:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:21,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-14 10:01:21,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:21,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 10:01:21,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:21,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 10:01:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:21,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 10:01:21,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:21,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-14 10:01:21,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:22,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:01:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:22,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-14 10:01:22,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:22,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:01:22,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:22,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-10-14 10:01:22,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:22,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-14 10:01:22,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:22,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-14 10:01:22,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:22,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-14 10:01:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:22,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-14 10:01:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:22,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-14 10:01:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:22,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-14 10:01:22,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:22,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-14 10:01:22,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:22,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-14 10:01:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:22,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-14 10:01:22,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:22,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-14 10:01:22,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:22,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-14 10:01:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:22,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-14 10:01:22,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:22,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-14 10:01:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:22,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-14 10:01:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:22,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-14 10:01:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:22,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-14 10:01:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:22,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-14 10:01:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:22,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-14 10:01:22,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:22,051 INFO L134 CoverageAnalysis]: Checked inductivity of 3844 backedges. 14 proven. 46 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-14 10:01:22,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:01:22,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700622623] [2024-10-14 10:01:22,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700622623] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 10:01:22,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982314142] [2024-10-14 10:01:22,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:01:22,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 10:01:22,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 10:01:22,054 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) [2024-10-14 10:01:22,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 10:01:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:01:22,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-10-14 10:01:22,300 INFO L278 TraceCheckSpWp]: Computing forward predicates...