./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-10.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eed477ccc68b44369a2767c3ea5b70be7a75a8c2370f374d3c3760022cb8d072 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 02:56:27,658 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 02:56:27,727 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 02:56:27,735 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 02:56:27,735 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 02:56:27,766 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 02:56:27,768 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 02:56:27,768 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 02:56:27,769 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 02:56:27,769 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 02:56:27,770 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 02:56:27,770 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 02:56:27,771 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 02:56:27,773 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 02:56:27,773 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 02:56:27,774 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 02:56:27,774 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 02:56:27,774 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 02:56:27,774 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 02:56:27,775 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 02:56:27,775 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 02:56:27,777 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 02:56:27,778 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 02:56:27,780 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 02:56:27,780 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 02:56:27,780 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 02:56:27,781 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 02:56:27,781 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 02:56:27,781 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 02:56:27,781 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 02:56:27,782 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 02:56:27,782 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 02:56:27,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 02:56:27,782 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 02:56:27,782 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 02:56:27,783 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 02:56:27,783 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 02:56:27,784 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 02:56:27,784 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 02:56:27,784 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 02:56:27,785 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 02:56:27,785 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 02:56:27,786 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eed477ccc68b44369a2767c3ea5b70be7a75a8c2370f374d3c3760022cb8d072 [2024-11-12 02:56:28,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 02:56:28,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 02:56:28,137 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 02:56:28,138 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 02:56:28,138 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 02:56:28,139 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-10.i [2024-11-12 02:56:29,623 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 02:56:29,850 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 02:56:29,850 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-10.i [2024-11-12 02:56:29,866 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0df92002/93380301ec424cccafaeadbdb30ce96f/FLAG8b7d4b678 [2024-11-12 02:56:29,880 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0df92002/93380301ec424cccafaeadbdb30ce96f [2024-11-12 02:56:29,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 02:56:29,885 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 02:56:29,886 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 02:56:29,886 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 02:56:29,901 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 02:56:29,902 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:56:29" (1/1) ... [2024-11-12 02:56:29,904 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fa0c3d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:56:29, skipping insertion in model container [2024-11-12 02:56:29,904 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:56:29" (1/1) ... [2024-11-12 02:56:29,939 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 02:56:30,118 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-10.i[919,932] [2024-11-12 02:56:30,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 02:56:30,270 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 02:56:30,288 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-10.i[919,932] [2024-11-12 02:56:30,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 02:56:30,364 INFO L204 MainTranslator]: Completed translation [2024-11-12 02:56:30,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:56:30 WrapperNode [2024-11-12 02:56:30,365 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 02:56:30,366 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 02:56:30,367 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 02:56:30,367 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 02:56:30,374 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:56:30" (1/1) ... [2024-11-12 02:56:30,387 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:56:30" (1/1) ... [2024-11-12 02:56:30,437 INFO L138 Inliner]: procedures = 26, calls = 61, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 337 [2024-11-12 02:56:30,438 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 02:56:30,438 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 02:56:30,439 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 02:56:30,439 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 02:56:30,450 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:56:30" (1/1) ... [2024-11-12 02:56:30,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:56:30" (1/1) ... [2024-11-12 02:56:30,456 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:56:30" (1/1) ... [2024-11-12 02:56:30,488 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]. [2024-11-12 02:56:30,491 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:56:30" (1/1) ... [2024-11-12 02:56:30,492 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:56:30" (1/1) ... [2024-11-12 02:56:30,517 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:56:30" (1/1) ... [2024-11-12 02:56:30,523 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:56:30" (1/1) ... [2024-11-12 02:56:30,535 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:56:30" (1/1) ... [2024-11-12 02:56:30,542 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:56:30" (1/1) ... [2024-11-12 02:56:30,554 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 02:56:30,555 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 02:56:30,555 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 02:56:30,555 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 02:56:30,556 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:56:30" (1/1) ... [2024-11-12 02:56:30,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 02:56:30,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 02:56:30,595 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 02:56:30,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 02:56:30,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 02:56:30,648 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 02:56:30,649 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 02:56:30,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 02:56:30,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 02:56:30,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 02:56:30,806 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 02:56:30,808 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 02:56:31,399 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-11-12 02:56:31,399 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 02:56:31,416 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 02:56:31,417 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 02:56:31,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:56:31 BoogieIcfgContainer [2024-11-12 02:56:31,418 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 02:56:31,420 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 02:56:31,420 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 02:56:31,423 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 02:56:31,423 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:56:29" (1/3) ... [2024-11-12 02:56:31,424 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a64074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:56:31, skipping insertion in model container [2024-11-12 02:56:31,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:56:30" (2/3) ... [2024-11-12 02:56:31,424 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a64074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:56:31, skipping insertion in model container [2024-11-12 02:56:31,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:56:31" (3/3) ... [2024-11-12 02:56:31,426 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-10.i [2024-11-12 02:56:31,442 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 02:56:31,442 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 02:56:31,508 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 02:56:31,514 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;@6053f678, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 02:56:31,514 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 02:56:31,519 INFO L276 IsEmpty]: Start isEmpty. Operand has 147 states, 96 states have (on average 1.4166666666666667) internal successors, (136), 97 states have internal predecessors, (136), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-12 02:56:31,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-12 02:56:31,535 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:56:31,536 INFO L218 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:56:31,537 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:56:31,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:56:31,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1154153178, now seen corresponding path program 1 times [2024-11-12 02:56:31,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:56:31,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136991745] [2024-11-12 02:56:31,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:56:31,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:56:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:31,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:56:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:31,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:56:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:31,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:56:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:31,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:56:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:31,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:56:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:31,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:56:31,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:31,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:56:31,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:31,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:56:31,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:31,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:56:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:32,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:56:32,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:32,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:56:32,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:32,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:56:32,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:32,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 02:56:32,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:32,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:56:32,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:32,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:56:32,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:32,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:56:32,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:32,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:56:32,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:32,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:56:32,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:32,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:56:32,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:32,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 02:56:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:32,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 02:56:32,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:32,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 02:56:32,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:32,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 02:56:32,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:32,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 02:56:32,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:32,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 02:56:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:32,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 02:56:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:32,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 02:56:32,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:32,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 02:56:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:32,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-12 02:56:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:32,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-12 02:56:32,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:32,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-12 02:56:32,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:32,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-12 02:56:32,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:32,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 02:56:32,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:32,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-12 02:56:32,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:32,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 02:56:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:32,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-12 02:56:32,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:32,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-12 02:56:32,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:32,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-12 02:56:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:32,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-12 02:56:32,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:32,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-12 02:56:32,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:32,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-12 02:56:32,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:32,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-12 02:56:32,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:32,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-12 02:56:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:32,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-12 02:56:32,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:32,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-12 02:56:32,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:32,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-12 02:56:32,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:32,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-12 02:56:32,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:32,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-12 02:56:32,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:32,364 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-12 02:56:32,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:56:32,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136991745] [2024-11-12 02:56:32,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136991745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:56:32,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:56:32,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 02:56:32,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306606372] [2024-11-12 02:56:32,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:56:32,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 02:56:32,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:56:32,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 02:56:32,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 02:56:32,409 INFO L87 Difference]: Start difference. First operand has 147 states, 96 states have (on average 1.4166666666666667) internal successors, (136), 97 states have internal predecessors, (136), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-12 02:56:32,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:56:32,467 INFO L93 Difference]: Finished difference Result 287 states and 506 transitions. [2024-11-12 02:56:32,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 02:56:32,470 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 295 [2024-11-12 02:56:32,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:56:32,483 INFO L225 Difference]: With dead ends: 287 [2024-11-12 02:56:32,484 INFO L226 Difference]: Without dead ends: 143 [2024-11-12 02:56:32,488 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 02:56:32,491 INFO L435 NwaCegarLoop]: 225 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 02:56:32,492 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 02:56:32,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-11-12 02:56:32,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2024-11-12 02:56:32,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 93 states have (on average 1.3870967741935485) internal successors, (129), 93 states have internal predecessors, (129), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-12 02:56:32,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 225 transitions. [2024-11-12 02:56:32,553 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 225 transitions. Word has length 295 [2024-11-12 02:56:32,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:56:32,554 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 225 transitions. [2024-11-12 02:56:32,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-12 02:56:32,555 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 225 transitions. [2024-11-12 02:56:32,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-12 02:56:32,561 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:56:32,561 INFO L218 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:56:32,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 02:56:32,562 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:56:32,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:56:32,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1719960350, now seen corresponding path program 1 times [2024-11-12 02:56:32,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:56:32,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704592689] [2024-11-12 02:56:32,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:56:32,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:56:32,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:56:33,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:56:33,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:56:33,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:56:33,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:56:33,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:56:33,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:56:33,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:56:33,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:56:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:56:33,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:56:33,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:56:33,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 02:56:33,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:56:33,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:56:33,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:56:33,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:56:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:56:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:56:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 02:56:33,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 02:56:33,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 02:56:33,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 02:56:33,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 02:56:33,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 02:56:33,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 02:56:33,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 02:56:33,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 02:56:33,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-12 02:56:33,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-12 02:56:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-12 02:56:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-12 02:56:33,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 02:56:33,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-12 02:56:33,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 02:56:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-12 02:56:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-12 02:56:33,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-12 02:56:33,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-12 02:56:33,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-12 02:56:33,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-12 02:56:33,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-12 02:56:33,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-12 02:56:33,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-12 02:56:33,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-12 02:56:33,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-12 02:56:33,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-12 02:56:33,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-12 02:56:33,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:33,459 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-12 02:56:33,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:56:33,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704592689] [2024-11-12 02:56:33,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704592689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:56:33,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:56:33,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 02:56:33,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686647739] [2024-11-12 02:56:33,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:56:33,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 02:56:33,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:56:33,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 02:56:33,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 02:56:33,469 INFO L87 Difference]: Start difference. First operand 143 states and 225 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-12 02:56:33,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:56:33,833 INFO L93 Difference]: Finished difference Result 424 states and 670 transitions. [2024-11-12 02:56:33,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 02:56:33,834 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 295 [2024-11-12 02:56:33,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:56:33,839 INFO L225 Difference]: With dead ends: 424 [2024-11-12 02:56:33,839 INFO L226 Difference]: Without dead ends: 284 [2024-11-12 02:56:33,840 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 02:56:33,842 INFO L435 NwaCegarLoop]: 221 mSDtfsCounter, 133 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 02:56:33,842 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 652 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 02:56:33,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-11-12 02:56:33,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 224. [2024-11-12 02:56:33,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 125 states have (on average 1.288) internal successors, (161), 125 states have internal predecessors, (161), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-12 02:56:33,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 353 transitions. [2024-11-12 02:56:33,900 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 353 transitions. Word has length 295 [2024-11-12 02:56:33,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:56:33,903 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 353 transitions. [2024-11-12 02:56:33,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-12 02:56:33,903 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 353 transitions. [2024-11-12 02:56:33,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-12 02:56:33,908 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:56:33,909 INFO L218 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:56:33,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 02:56:33,909 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:56:33,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:56:33,910 INFO L85 PathProgramCache]: Analyzing trace with hash -906108110, now seen corresponding path program 1 times [2024-11-12 02:56:33,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:56:33,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278618862] [2024-11-12 02:56:33,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:56:33,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:56:34,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:56:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:56:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:56:56,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:56:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:56:56,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:56:56,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:56:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:56:56,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:56:56,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:56:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:56:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:56:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 02:56:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:56:56,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:56:56,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:56:56,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:56:56,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:56:56,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:56:56,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 02:56:56,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 02:56:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 02:56:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 02:56:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 02:56:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 02:56:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 02:56:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 02:56:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 02:56:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-12 02:56:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-12 02:56:56,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-12 02:56:56,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-12 02:56:56,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 02:56:56,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-12 02:56:56,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 02:56:56,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-12 02:56:56,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-12 02:56:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-12 02:56:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-12 02:56:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-12 02:56:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-12 02:56:56,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-12 02:56:56,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-12 02:56:56,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-12 02:56:56,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-12 02:56:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-12 02:56:56,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-12 02:56:56,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-12 02:56:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:56:56,454 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-12 02:56:56,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:56:56,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278618862] [2024-11-12 02:56:56,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278618862] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:56:56,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:56:56,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-12 02:56:56,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066421524] [2024-11-12 02:56:56,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:56:56,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-12 02:56:56,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:56:56,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-12 02:56:56,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2024-11-12 02:56:56,462 INFO L87 Difference]: Start difference. First operand 224 states and 353 transitions. Second operand has 17 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 17 states have internal predecessors, (59), 3 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2024-11-12 02:57:01,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:57:01,334 INFO L93 Difference]: Finished difference Result 778 states and 1208 transitions. [2024-11-12 02:57:01,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-12 02:57:01,336 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 17 states have internal predecessors, (59), 3 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 296 [2024-11-12 02:57:01,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:57:01,346 INFO L225 Difference]: With dead ends: 778 [2024-11-12 02:57:01,347 INFO L226 Difference]: Without dead ends: 638 [2024-11-12 02:57:01,352 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=241, Invalid=751, Unknown=0, NotChecked=0, Total=992 [2024-11-12 02:57:01,354 INFO L435 NwaCegarLoop]: 259 mSDtfsCounter, 1853 mSDsluCounter, 1954 mSDsCounter, 0 mSdLazyCounter, 1752 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1853 SdHoareTripleChecker+Valid, 2213 SdHoareTripleChecker+Invalid, 1979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 1752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-12 02:57:01,354 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1853 Valid, 2213 Invalid, 1979 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 1752 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-12 02:57:01,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2024-11-12 02:57:01,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 430. [2024-11-12 02:57:01,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 277 states have (on average 1.3574007220216606) internal successors, (376), 278 states have internal predecessors, (376), 144 states have call successors, (144), 8 states have call predecessors, (144), 8 states have return successors, (144), 143 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-12 02:57:01,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 664 transitions. [2024-11-12 02:57:01,444 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 664 transitions. Word has length 296 [2024-11-12 02:57:01,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:57:01,446 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 664 transitions. [2024-11-12 02:57:01,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 17 states have internal predecessors, (59), 3 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2024-11-12 02:57:01,446 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 664 transitions. [2024-11-12 02:57:01,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-12 02:57:01,451 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:57:01,452 INFO L218 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:57:01,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 02:57:01,453 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:57:01,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:57:01,453 INFO L85 PathProgramCache]: Analyzing trace with hash 2108995508, now seen corresponding path program 1 times [2024-11-12 02:57:01,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:57:01,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474765458] [2024-11-12 02:57:01,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:57:01,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:57:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:57:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:57:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:57:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:57:28,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:57:28,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:57:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:57:28,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:57:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:57:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:57:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:57:28,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:57:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 02:57:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:57:28,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 02:57:28,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:57:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 02:57:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:57:28,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:57:28,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 02:57:28,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 02:57:28,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 02:57:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 02:57:28,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 02:57:28,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 02:57:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 02:57:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 02:57:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 02:57:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-12 02:57:28,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-12 02:57:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-12 02:57:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-12 02:57:28,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 02:57:28,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-12 02:57:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 02:57:28,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-12 02:57:28,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-12 02:57:28,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-12 02:57:28,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-12 02:57:28,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-12 02:57:28,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-12 02:57:28,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-12 02:57:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-12 02:57:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-12 02:57:28,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-12 02:57:28,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-11-12 02:57:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-12 02:57:28,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-12 02:57:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:57:28,560 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-12 02:57:28,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:57:28,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474765458] [2024-11-12 02:57:28,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474765458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:57:28,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:57:28,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-12 02:57:28,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012752649] [2024-11-12 02:57:28,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:57:28,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-12 02:57:28,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:57:28,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-12 02:57:28,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-11-12 02:57:28,564 INFO L87 Difference]: Start difference. First operand 430 states and 664 transitions. Second operand has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-12 02:57:31,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:57:31,363 INFO L93 Difference]: Finished difference Result 1002 states and 1550 transitions. [2024-11-12 02:57:31,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-12 02:57:31,364 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 296 [2024-11-12 02:57:31,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:57:31,373 INFO L225 Difference]: With dead ends: 1002 [2024-11-12 02:57:31,374 INFO L226 Difference]: Without dead ends: 662 [2024-11-12 02:57:31,376 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=149, Invalid=403, Unknown=0, NotChecked=0, Total=552 [2024-11-12 02:57:31,377 INFO L435 NwaCegarLoop]: 305 mSDtfsCounter, 1175 mSDsluCounter, 1650 mSDsCounter, 0 mSdLazyCounter, 1087 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1175 SdHoareTripleChecker+Valid, 1955 SdHoareTripleChecker+Invalid, 1255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 1087 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-12 02:57:31,377 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1175 Valid, 1955 Invalid, 1255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 1087 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-12 02:57:31,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2024-11-12 02:57:31,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 430. [2024-11-12 02:57:31,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 277 states have (on average 1.3537906137184115) internal successors, (375), 278 states have internal predecessors, (375), 144 states have call successors, (144), 8 states have call predecessors, (144), 8 states have return successors, (144), 143 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-12 02:57:31,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 663 transitions. [2024-11-12 02:57:31,429 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 663 transitions. Word has length 296 [2024-11-12 02:57:31,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:57:31,432 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 663 transitions. [2024-11-12 02:57:31,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-12 02:57:31,433 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 663 transitions. [2024-11-12 02:57:31,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-12 02:57:31,437 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:57:31,437 INFO L218 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:57:31,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 02:57:31,438 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:57:31,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:57:31,438 INFO L85 PathProgramCache]: Analyzing trace with hash -292314574, now seen corresponding path program 1 times [2024-11-12 02:57:31,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:57:31,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678772168] [2024-11-12 02:57:31,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:57:31,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:57:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat