./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_fillercodesize_ps-cn-100_file-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-10.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 1a0ae75f5f463a17182a89879ce4658fe5861ec9a86c60f6d3e9ad481b43e0d3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 07:50:46,399 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 07:50:46,474 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 07:50:46,480 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 07:50:46,481 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 07:50:46,504 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 07:50:46,504 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 07:50:46,505 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 07:50:46,505 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 07:50:46,506 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 07:50:46,506 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 07:50:46,507 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 07:50:46,507 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 07:50:46,508 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 07:50:46,508 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 07:50:46,509 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 07:50:46,509 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 07:50:46,509 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 07:50:46,510 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 07:50:46,510 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 07:50:46,510 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 07:50:46,511 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 07:50:46,511 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 07:50:46,512 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 07:50:46,512 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 07:50:46,513 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 07:50:46,513 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 07:50:46,513 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 07:50:46,514 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 07:50:46,514 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 07:50:46,516 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 07:50:46,517 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 07:50:46,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 07:50:46,518 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 07:50:46,518 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 07:50:46,518 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 07:50:46,519 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 07:50:46,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 07:50:46,519 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 07:50:46,520 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 07:50:46,520 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 07:50:46,520 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 07:50:46,521 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a0ae75f5f463a17182a89879ce4658fe5861ec9a86c60f6d3e9ad481b43e0d3 [2024-10-11 07:50:46,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 07:50:46,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 07:50:46,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 07:50:46,845 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 07:50:46,847 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 07:50:46,848 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-10.i [2024-10-11 07:50:48,319 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 07:50:48,536 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 07:50:48,537 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-10.i [2024-10-11 07:50:48,550 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/744ec077b/abc07f79e39d414c8e697977d7d10902/FLAG24afbe67a [2024-10-11 07:50:48,890 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/744ec077b/abc07f79e39d414c8e697977d7d10902 [2024-10-11 07:50:48,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 07:50:48,894 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 07:50:48,896 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 07:50:48,896 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 07:50:48,900 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 07:50:48,901 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:50:48" (1/1) ... [2024-10-11 07:50:48,901 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35be3d8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:50:48, skipping insertion in model container [2024-10-11 07:50:48,902 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:50:48" (1/1) ... [2024-10-11 07:50:48,933 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 07:50:49,111 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_fillercodesize_ps-cn-100_file-10.i[916,929] [2024-10-11 07:50:49,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 07:50:49,236 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 07:50:49,255 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_fillercodesize_ps-cn-100_file-10.i[916,929] [2024-10-11 07:50:49,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 07:50:49,340 INFO L204 MainTranslator]: Completed translation [2024-10-11 07:50:49,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:50:49 WrapperNode [2024-10-11 07:50:49,341 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 07:50:49,342 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 07:50:49,342 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 07:50:49,342 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 07:50:49,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:50:49" (1/1) ... [2024-10-11 07:50:49,366 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:50:49" (1/1) ... [2024-10-11 07:50:49,415 INFO L138 Inliner]: procedures = 26, calls = 62, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 343 [2024-10-11 07:50:49,419 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 07:50:49,419 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 07:50:49,420 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 07:50:49,420 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 07:50:49,431 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:50:49" (1/1) ... [2024-10-11 07:50:49,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:50:49" (1/1) ... [2024-10-11 07:50:49,441 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:50:49" (1/1) ... [2024-10-11 07:50:49,474 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]. [2024-10-11 07:50:49,474 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:50:49" (1/1) ... [2024-10-11 07:50:49,475 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:50:49" (1/1) ... [2024-10-11 07:50:49,499 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:50:49" (1/1) ... [2024-10-11 07:50:49,507 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:50:49" (1/1) ... [2024-10-11 07:50:49,515 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:50:49" (1/1) ... [2024-10-11 07:50:49,523 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:50:49" (1/1) ... [2024-10-11 07:50:49,543 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 07:50:49,544 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 07:50:49,545 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 07:50:49,545 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 07:50:49,546 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:50:49" (1/1) ... [2024-10-11 07:50:49,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 07:50:49,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 07:50:49,584 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 07:50:49,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 07:50:49,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 07:50:49,640 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 07:50:49,641 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 07:50:49,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 07:50:49,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 07:50:49,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 07:50:49,783 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 07:50:49,785 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 07:50:50,474 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-10-11 07:50:50,474 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 07:50:50,523 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 07:50:50,524 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 07:50:50,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:50:50 BoogieIcfgContainer [2024-10-11 07:50:50,525 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 07:50:50,527 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 07:50:50,527 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 07:50:50,531 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 07:50:50,532 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 07:50:48" (1/3) ... [2024-10-11 07:50:50,533 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c7729be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:50:50, skipping insertion in model container [2024-10-11 07:50:50,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:50:49" (2/3) ... [2024-10-11 07:50:50,533 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c7729be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:50:50, skipping insertion in model container [2024-10-11 07:50:50,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:50:50" (3/3) ... [2024-10-11 07:50:50,536 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-10.i [2024-10-11 07:50:50,554 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 07:50:50,555 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 07:50:50,634 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 07:50:50,641 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;@2c5887a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 07:50:50,641 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 07:50:50,649 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 92 states have (on average 1.4891304347826086) internal successors, (137), 93 states have internal predecessors, (137), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-11 07:50:50,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-10-11 07:50:50,678 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:50:50,679 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 07:50:50,680 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:50:50,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:50:50,688 INFO L85 PathProgramCache]: Analyzing trace with hash -228765179, now seen corresponding path program 1 times [2024-10-11 07:50:50,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:50:50,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241230927] [2024-10-11 07:50:50,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:50:50,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:50:51,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 07:50:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 07:50:51,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 07:50:51,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 07:50:51,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 07:50:51,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 07:50:51,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 07:50:51,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 07:50:51,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 07:50:51,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 07:50:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 07:50:51,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 07:50:51,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 07:50:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 07:50:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 07:50:51,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 07:50:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 07:50:51,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 07:50:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 07:50:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 07:50:51,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 07:50:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 07:50:51,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 07:50:51,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 07:50:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 07:50:51,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 07:50:51,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 07:50:51,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 07:50:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 07:50:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 07:50:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 07:50:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 07:50:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 07:50:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 07:50:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 07:50:51,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 07:50:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-11 07:50:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 07:50:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 07:50:51,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 07:50:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-11 07:50:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 07:50:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-11 07:50:51,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-11 07:50:51,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-11 07:50:51,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-11 07:50:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-11 07:50:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 07:50:51,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-11 07:50:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:51,888 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-10-11 07:50:51,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:50:51,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241230927] [2024-10-11 07:50:51,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241230927] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:50:51,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:50:51,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 07:50:51,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047873492] [2024-10-11 07:50:51,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:50:51,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 07:50:51,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:50:51,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 07:50:51,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 07:50:51,940 INFO L87 Difference]: Start difference. First operand has 144 states, 92 states have (on average 1.4891304347826086) internal successors, (137), 93 states have internal predecessors, (137), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-11 07:50:52,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:50:52,097 INFO L93 Difference]: Finished difference Result 384 states and 705 transitions. [2024-10-11 07:50:52,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 07:50:52,105 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 305 [2024-10-11 07:50:52,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:50:52,119 INFO L225 Difference]: With dead ends: 384 [2024-10-11 07:50:52,120 INFO L226 Difference]: Without dead ends: 241 [2024-10-11 07:50:52,126 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 07:50:52,132 INFO L432 NwaCegarLoop]: 304 mSDtfsCounter, 156 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 07:50:52,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 521 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 07:50:52,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-10-11 07:50:52,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 238. [2024-10-11 07:50:52,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 160 states have (on average 1.46875) internal successors, (235), 161 states have internal predecessors, (235), 75 states have call successors, (75), 2 states have call predecessors, (75), 2 states have return successors, (75), 74 states have call predecessors, (75), 75 states have call successors, (75) [2024-10-11 07:50:52,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 385 transitions. [2024-10-11 07:50:52,255 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 385 transitions. Word has length 305 [2024-10-11 07:50:52,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:50:52,260 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 385 transitions. [2024-10-11 07:50:52,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-11 07:50:52,260 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 385 transitions. [2024-10-11 07:50:52,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-10-11 07:50:52,269 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:50:52,272 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 07:50:52,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 07:50:52,273 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:50:52,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:50:52,274 INFO L85 PathProgramCache]: Analyzing trace with hash 647965125, now seen corresponding path program 1 times [2024-10-11 07:50:52,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:50:52,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873414399] [2024-10-11 07:50:52,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:50:52,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:50:52,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 07:50:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 07:50:52,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 07:50:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 07:50:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 07:50:52,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 07:50:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 07:50:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 07:50:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 07:50:52,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 07:50:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 07:50:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 07:50:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 07:50:52,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 07:50:52,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 07:50:52,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 07:50:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 07:50:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 07:50:52,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 07:50:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 07:50:52,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 07:50:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 07:50:52,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 07:50:52,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 07:50:52,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 07:50:52,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 07:50:52,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 07:50:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 07:50:52,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 07:50:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 07:50:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 07:50:52,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 07:50:52,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 07:50:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 07:50:52,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 07:50:52,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 07:50:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-11 07:50:52,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 07:50:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 07:50:52,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 07:50:52,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-11 07:50:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 07:50:52,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:52,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-11 07:50:53,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-11 07:50:53,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-11 07:50:53,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-11 07:50:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-11 07:50:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 07:50:53,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-11 07:50:53,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-10-11 07:50:53,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:50:53,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873414399] [2024-10-11 07:50:53,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873414399] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:50:53,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:50:53,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 07:50:53,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674469725] [2024-10-11 07:50:53,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:50:53,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 07:50:53,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:50:53,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 07:50:53,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 07:50:53,067 INFO L87 Difference]: Start difference. First operand 238 states and 385 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-11 07:50:53,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:50:53,172 INFO L93 Difference]: Finished difference Result 712 states and 1153 transitions. [2024-10-11 07:50:53,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 07:50:53,175 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 305 [2024-10-11 07:50:53,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:50:53,189 INFO L225 Difference]: With dead ends: 712 [2024-10-11 07:50:53,189 INFO L226 Difference]: Without dead ends: 475 [2024-10-11 07:50:53,194 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 07:50:53,195 INFO L432 NwaCegarLoop]: 290 mSDtfsCounter, 140 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 07:50:53,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 509 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 07:50:53,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2024-10-11 07:50:53,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 471. [2024-10-11 07:50:53,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 316 states have (on average 1.4620253164556962) internal successors, (462), 318 states have internal predecessors, (462), 150 states have call successors, (150), 4 states have call predecessors, (150), 4 states have return successors, (150), 148 states have call predecessors, (150), 150 states have call successors, (150) [2024-10-11 07:50:53,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 762 transitions. [2024-10-11 07:50:53,310 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 762 transitions. Word has length 305 [2024-10-11 07:50:53,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:50:53,311 INFO L471 AbstractCegarLoop]: Abstraction has 471 states and 762 transitions. [2024-10-11 07:50:53,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-11 07:50:53,312 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 762 transitions. [2024-10-11 07:50:53,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2024-10-11 07:50:53,316 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:50:53,316 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 07:50:53,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 07:50:53,317 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:50:53,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:50:53,317 INFO L85 PathProgramCache]: Analyzing trace with hash -547851467, now seen corresponding path program 1 times [2024-10-11 07:50:53,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:50:53,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971643106] [2024-10-11 07:50:53,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:50:53,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:50:53,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 07:50:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 07:50:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 07:50:53,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 07:50:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 07:50:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 07:50:53,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 07:50:53,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 07:50:53,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 07:50:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 07:50:53,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 07:50:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 07:50:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 07:50:53,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 07:50:53,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 07:50:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 07:50:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 07:50:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 07:50:53,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 07:50:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 07:50:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 07:50:53,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 07:50:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 07:50:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 07:50:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 07:50:53,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 07:50:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 07:50:53,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 07:50:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 07:50:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 07:50:53,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 07:50:53,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 07:50:53,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 07:50:53,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 07:50:53,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 07:50:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 07:50:53,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-11 07:50:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 07:50:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 07:50:53,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 07:50:53,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-11 07:50:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 07:50:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-11 07:50:53,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-11 07:50:53,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-11 07:50:53,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:53,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-11 07:50:54,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:54,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-11 07:50:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:54,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 07:50:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:54,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-11 07:50:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:54,018 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-10-11 07:50:54,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:50:54,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971643106] [2024-10-11 07:50:54,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971643106] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:50:54,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:50:54,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 07:50:54,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070773112] [2024-10-11 07:50:54,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:50:54,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 07:50:54,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:50:54,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 07:50:54,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 07:50:54,025 INFO L87 Difference]: Start difference. First operand 471 states and 762 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-11 07:50:54,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:50:54,300 INFO L93 Difference]: Finished difference Result 1245 states and 2017 transitions. [2024-10-11 07:50:54,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 07:50:54,301 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 307 [2024-10-11 07:50:54,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:50:54,307 INFO L225 Difference]: With dead ends: 1245 [2024-10-11 07:50:54,308 INFO L226 Difference]: Without dead ends: 775 [2024-10-11 07:50:54,310 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 07:50:54,311 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 171 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 07:50:54,311 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 668 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 07:50:54,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2024-10-11 07:50:54,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 649. [2024-10-11 07:50:54,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 649 states, 443 states have (on average 1.5011286681715577) internal successors, (665), 445 states have internal predecessors, (665), 199 states have call successors, (199), 6 states have call predecessors, (199), 6 states have return successors, (199), 197 states have call predecessors, (199), 199 states have call successors, (199) [2024-10-11 07:50:54,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 1063 transitions. [2024-10-11 07:50:54,409 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 1063 transitions. Word has length 307 [2024-10-11 07:50:54,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:50:54,410 INFO L471 AbstractCegarLoop]: Abstraction has 649 states and 1063 transitions. [2024-10-11 07:50:54,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-11 07:50:54,410 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 1063 transitions. [2024-10-11 07:50:54,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2024-10-11 07:50:54,414 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:50:54,414 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 07:50:54,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 07:50:54,415 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:50:54,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:50:54,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1510126206, now seen corresponding path program 1 times [2024-10-11 07:50:54,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:50:54,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186571446] [2024-10-11 07:50:54,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:50:54,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:50:54,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:56,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 07:50:56,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:56,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 07:50:56,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:56,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 07:50:56,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:56,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 07:50:56,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:56,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 07:50:56,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:56,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 07:50:56,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:56,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 07:50:56,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:56,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 07:50:56,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:56,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 07:50:56,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:56,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 07:50:56,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:56,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 07:50:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:56,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 07:50:56,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:56,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 07:50:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:56,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 07:50:56,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:56,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 07:50:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:56,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 07:50:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:56,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 07:50:56,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:56,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 07:50:56,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:56,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 07:50:56,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:56,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 07:50:56,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:56,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 07:50:56,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:56,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 07:50:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:56,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 07:50:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:56,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 07:50:56,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:56,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 07:50:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:56,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 07:50:56,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:56,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 07:50:56,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:56,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 07:50:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:56,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 07:50:56,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:56,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 07:50:56,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:56,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 07:50:56,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:56,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 07:50:56,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:56,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 07:50:56,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:57,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 07:50:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:57,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 07:50:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:57,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 07:50:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:57,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-11 07:50:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:57,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 07:50:57,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:57,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 07:50:57,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:57,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 07:50:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:57,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-11 07:50:57,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:57,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 07:50:57,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:57,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-11 07:50:57,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:57,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-11 07:50:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:57,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-11 07:50:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:57,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-11 07:50:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:57,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-11 07:50:57,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:57,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 07:50:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:57,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-11 07:50:57,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:50:57,115 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-10-11 07:50:57,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:50:57,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186571446] [2024-10-11 07:50:57,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186571446] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:50:57,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:50:57,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 07:50:57,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647221049] [2024-10-11 07:50:57,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:50:57,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 07:50:57,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:50:57,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 07:50:57,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 07:50:57,118 INFO L87 Difference]: Start difference. First operand 649 states and 1063 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-10-11 07:51:00,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:51:00,087 INFO L93 Difference]: Finished difference Result 1981 states and 3205 transitions. [2024-10-11 07:51:00,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 07:51:00,088 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 308 [2024-10-11 07:51:00,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:51:00,099 INFO L225 Difference]: With dead ends: 1981 [2024-10-11 07:51:00,099 INFO L226 Difference]: Without dead ends: 1741 [2024-10-11 07:51:00,104 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2024-10-11 07:51:00,105 INFO L432 NwaCegarLoop]: 384 mSDtfsCounter, 1406 mSDsluCounter, 1172 mSDsCounter, 0 mSdLazyCounter, 813 mSolverCounterSat, 638 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1406 SdHoareTripleChecker+Valid, 1556 SdHoareTripleChecker+Invalid, 1451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 638 IncrementalHoareTripleChecker+Valid, 813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-11 07:51:00,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1406 Valid, 1556 Invalid, 1451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [638 Valid, 813 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-11 07:51:00,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1741 states. [2024-10-11 07:51:00,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1741 to 1163. [2024-10-11 07:51:00,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1163 states, 812 states have (on average 1.5160098522167487) internal successors, (1231), 816 states have internal predecessors, (1231), 339 states have call successors, (339), 11 states have call predecessors, (339), 11 states have return successors, (339), 335 states have call predecessors, (339), 339 states have call successors, (339) [2024-10-11 07:51:00,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 1163 states and 1909 transitions. [2024-10-11 07:51:00,292 INFO L78 Accepts]: Start accepts. Automaton has 1163 states and 1909 transitions. Word has length 308 [2024-10-11 07:51:00,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:51:00,295 INFO L471 AbstractCegarLoop]: Abstraction has 1163 states and 1909 transitions. [2024-10-11 07:51:00,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2024-10-11 07:51:00,296 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1909 transitions. [2024-10-11 07:51:00,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2024-10-11 07:51:00,300 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:51:00,301 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 07:51:00,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 07:51:00,302 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:51:00,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:51:00,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1728980924, now seen corresponding path program 1 times [2024-10-11 07:51:00,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:51:00,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961285404] [2024-10-11 07:51:00,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:51:00,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:51:00,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 07:51:21,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 07:51:21,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 07:51:21,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 07:51:21,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 07:51:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 07:51:21,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 07:51:21,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 07:51:21,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 07:51:21,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 07:51:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 07:51:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 07:51:21,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 07:51:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 07:51:21,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 07:51:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 07:51:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 07:51:21,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 07:51:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 07:51:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 07:51:21,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 07:51:21,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 07:51:21,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 07:51:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-11 07:51:21,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-11 07:51:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-11 07:51:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-11 07:51:21,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-11 07:51:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-11 07:51:21,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 07:51:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-11 07:51:21,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 07:51:21,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-11 07:51:21,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 07:51:21,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 07:51:21,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 07:51:21,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-11 07:51:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-11 07:51:21,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-11 07:51:21,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 07:51:21,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:21,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-11 07:51:22,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:22,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 07:51:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:22,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-11 07:51:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:22,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-11 07:51:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:22,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2024-10-11 07:51:22,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:22,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-11 07:51:22,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:22,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-10-11 07:51:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:22,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 07:51:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:22,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-11 07:51:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:51:22,029 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-10-11 07:51:22,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:51:22,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961285404] [2024-10-11 07:51:22,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961285404] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:51:22,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:51:22,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 07:51:22,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989370806] [2024-10-11 07:51:22,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:51:22,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 07:51:22,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:51:22,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 07:51:22,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-11 07:51:22,033 INFO L87 Difference]: Start difference. First operand 1163 states and 1909 transitions. Second operand has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-11 07:51:23,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:51:23,369 INFO L93 Difference]: Finished difference Result 3757 states and 5981 transitions. [2024-10-11 07:51:23,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 07:51:23,371 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 308 [2024-10-11 07:51:23,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:51:23,389 INFO L225 Difference]: With dead ends: 3757 [2024-10-11 07:51:23,389 INFO L226 Difference]: Without dead ends: 2828 [2024-10-11 07:51:23,394 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2024-10-11 07:51:23,397 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 567 mSDsluCounter, 923 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 1153 SdHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 07:51:23,397 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 1153 Invalid, 693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 07:51:23,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2828 states. [2024-10-11 07:51:23,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2828 to 2106. [2024-10-11 07:51:23,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2106 states, 1449 states have (on average 1.4361628709454797) internal successors, (2081), 1458 states have internal predecessors, (2081), 629 states have call successors, (629), 27 states have call predecessors, (629), 27 states have return successors, (629), 620 states have call predecessors, (629), 629 states have call successors, (629) [2024-10-11 07:51:23,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2106 states to 2106 states and 3339 transitions. [2024-10-11 07:51:23,742 INFO L78 Accepts]: Start accepts. Automaton has 2106 states and 3339 transitions. Word has length 308 [2024-10-11 07:51:23,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:51:23,742 INFO L471 AbstractCegarLoop]: Abstraction has 2106 states and 3339 transitions. [2024-10-11 07:51:23,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-11 07:51:23,743 INFO L276 IsEmpty]: Start isEmpty. Operand 2106 states and 3339 transitions. [2024-10-11 07:51:23,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2024-10-11 07:51:23,749 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:51:23,749 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 07:51:23,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 07:51:23,750 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:51:23,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:51:23,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1756639746, now seen corresponding path program 1 times [2024-10-11 07:51:23,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:51:23,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073310304] [2024-10-11 07:51:23,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:51:23,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:51:23,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat