./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-75.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-75.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 6766b869334f6c13b6400432d1bdf678f66e99650a5efe1fef629afa9b4351bf --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 01:51:42,163 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 01:51:42,249 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 01:51:42,257 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 01:51:42,258 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 01:51:42,293 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 01:51:42,293 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 01:51:42,294 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 01:51:42,295 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 01:51:42,298 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 01:51:42,299 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 01:51:42,299 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 01:51:42,300 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 01:51:42,300 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 01:51:42,300 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 01:51:42,301 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 01:51:42,301 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 01:51:42,301 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 01:51:42,301 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 01:51:42,302 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 01:51:42,302 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 01:51:42,306 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 01:51:42,306 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 01:51:42,306 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 01:51:42,306 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 01:51:42,307 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 01:51:42,307 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 01:51:42,307 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 01:51:42,308 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 01:51:42,308 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 01:51:42,308 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 01:51:42,308 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 01:51:42,309 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 01:51:42,309 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 01:51:42,310 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 01:51:42,311 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 01:51:42,311 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 01:51:42,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 01:51:42,312 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 01:51:42,312 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 01:51:42,312 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 01:51:42,313 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 01:51:42,313 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6766b869334f6c13b6400432d1bdf678f66e99650a5efe1fef629afa9b4351bf [2024-10-13 01:51:42,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 01:51:42,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 01:51:42,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 01:51:42,610 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 01:51:42,610 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 01:51:42,612 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-75.i [2024-10-13 01:51:44,116 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 01:51:44,335 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 01:51:44,335 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-75.i [2024-10-13 01:51:44,350 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c3208a69/a85e49c2ff8e4134a8322455cd7faee0/FLAGd7fc64b9f [2024-10-13 01:51:44,364 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c3208a69/a85e49c2ff8e4134a8322455cd7faee0 [2024-10-13 01:51:44,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 01:51:44,368 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 01:51:44,370 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 01:51:44,371 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 01:51:44,375 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 01:51:44,376 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:51:44" (1/1) ... [2024-10-13 01:51:44,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b96c627 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:51:44, skipping insertion in model container [2024-10-13 01:51:44,377 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:51:44" (1/1) ... [2024-10-13 01:51:44,417 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 01:51:44,592 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-75.i[919,932] [2024-10-13 01:51:44,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 01:51:44,696 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 01:51:44,707 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-75.i[919,932] [2024-10-13 01:51:44,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 01:51:44,770 INFO L204 MainTranslator]: Completed translation [2024-10-13 01:51:44,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:51:44 WrapperNode [2024-10-13 01:51:44,771 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 01:51:44,772 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 01:51:44,772 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 01:51:44,773 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 01:51:44,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:51:44" (1/1) ... [2024-10-13 01:51:44,795 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:51:44" (1/1) ... [2024-10-13 01:51:44,833 INFO L138 Inliner]: procedures = 26, calls = 62, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 341 [2024-10-13 01:51:44,834 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 01:51:44,834 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 01:51:44,834 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 01:51:44,835 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 01:51:44,852 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:51:44" (1/1) ... [2024-10-13 01:51:44,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:51:44" (1/1) ... [2024-10-13 01:51:44,858 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:51:44" (1/1) ... [2024-10-13 01:51:44,878 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 01:51:44,878 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:51:44" (1/1) ... [2024-10-13 01:51:44,879 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:51:44" (1/1) ... [2024-10-13 01:51:44,889 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:51:44" (1/1) ... [2024-10-13 01:51:44,893 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:51:44" (1/1) ... [2024-10-13 01:51:44,896 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:51:44" (1/1) ... [2024-10-13 01:51:44,898 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:51:44" (1/1) ... [2024-10-13 01:51:44,906 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 01:51:44,907 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 01:51:44,907 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 01:51:44,908 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 01:51:44,908 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:51:44" (1/1) ... [2024-10-13 01:51:44,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 01:51:44,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 01:51:44,950 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 01:51:44,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 01:51:45,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 01:51:45,022 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 01:51:45,023 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 01:51:45,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 01:51:45,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 01:51:45,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 01:51:45,148 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 01:51:45,150 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 01:51:45,672 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-10-13 01:51:45,673 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 01:51:45,723 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 01:51:45,724 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 01:51:45,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:51:45 BoogieIcfgContainer [2024-10-13 01:51:45,725 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 01:51:45,727 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 01:51:45,727 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 01:51:45,731 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 01:51:45,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:51:44" (1/3) ... [2024-10-13 01:51:45,732 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74300435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:51:45, skipping insertion in model container [2024-10-13 01:51:45,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:51:44" (2/3) ... [2024-10-13 01:51:45,733 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74300435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:51:45, skipping insertion in model container [2024-10-13 01:51:45,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:51:45" (3/3) ... [2024-10-13 01:51:45,735 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-75.i [2024-10-13 01:51:45,749 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 01:51:45,749 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 01:51:45,812 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 01:51:45,819 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;@13b2a437, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 01:51:45,819 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 01:51:45,824 INFO L276 IsEmpty]: Start isEmpty. Operand has 142 states, 90 states have (on average 1.4555555555555555) internal successors, (131), 91 states have internal predecessors, (131), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-13 01:51:45,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2024-10-13 01:51:45,847 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:51:45,848 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:51:45,849 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:51:45,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:51:45,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1353987591, now seen corresponding path program 1 times [2024-10-13 01:51:45,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:51:45,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503001078] [2024-10-13 01:51:45,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:51:45,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:51:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:51:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 01:51:46,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 01:51:46,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 01:51:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 01:51:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 01:51:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 01:51:46,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 01:51:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 01:51:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 01:51:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 01:51:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 01:51:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 01:51:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 01:51:46,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 01:51:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-13 01:51:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 01:51:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-13 01:51:46,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 01:51:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 01:51:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 01:51:46,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 01:51:46,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-13 01:51:46,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-13 01:51:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-13 01:51:46,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-13 01:51:46,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-13 01:51:46,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-13 01:51:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-13 01:51:46,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 01:51:46,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-13 01:51:46,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-13 01:51:46,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-13 01:51:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-13 01:51:46,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 01:51:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 01:51:46,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-13 01:51:46,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-13 01:51:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-13 01:51:46,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 01:51:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 01:51:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-13 01:51:46,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 01:51:46,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-13 01:51:46,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-13 01:51:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-13 01:51:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-13 01:51:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-13 01:51:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-13 01:51:46,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:46,652 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-10-13 01:51:46,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:51:46,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503001078] [2024-10-13 01:51:46,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503001078] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:51:46,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:51:46,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 01:51:46,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695057804] [2024-10-13 01:51:46,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:51:46,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 01:51:46,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:51:46,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 01:51:46,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 01:51:46,702 INFO L87 Difference]: Start difference. First operand has 142 states, 90 states have (on average 1.4555555555555555) internal successors, (131), 91 states have internal predecessors, (131), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 2 states have call successors, (49) [2024-10-13 01:51:46,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:51:46,769 INFO L93 Difference]: Finished difference Result 281 states and 505 transitions. [2024-10-13 01:51:46,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 01:51:46,773 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 2 states have call successors, (49) Word has length 301 [2024-10-13 01:51:46,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:51:46,786 INFO L225 Difference]: With dead ends: 281 [2024-10-13 01:51:46,789 INFO L226 Difference]: Without dead ends: 140 [2024-10-13 01:51:46,796 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 01:51:46,803 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 01:51:46,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 220 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 01:51:46,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-10-13 01:51:46,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2024-10-13 01:51:46,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 89 states have (on average 1.404494382022472) internal successors, (125), 89 states have internal predecessors, (125), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-13 01:51:46,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 223 transitions. [2024-10-13 01:51:46,886 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 223 transitions. Word has length 301 [2024-10-13 01:51:46,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:51:46,890 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 223 transitions. [2024-10-13 01:51:46,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 2 states have call successors, (49) [2024-10-13 01:51:46,891 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 223 transitions. [2024-10-13 01:51:46,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-10-13 01:51:46,902 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:51:46,903 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:51:46,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 01:51:46,903 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:51:46,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:51:46,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1025716577, now seen corresponding path program 1 times [2024-10-13 01:51:46,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:51:46,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80110464] [2024-10-13 01:51:46,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:51:46,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:51:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:51:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 01:51:47,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 01:51:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 01:51:47,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 01:51:47,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 01:51:47,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 01:51:47,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 01:51:47,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 01:51:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 01:51:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 01:51:47,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 01:51:47,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 01:51:47,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 01:51:47,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 01:51:47,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-13 01:51:47,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 01:51:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-13 01:51:47,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 01:51:47,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 01:51:47,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 01:51:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 01:51:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-13 01:51:47,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-13 01:51:47,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-13 01:51:47,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-13 01:51:47,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-13 01:51:47,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-13 01:51:47,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-13 01:51:47,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 01:51:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-13 01:51:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-13 01:51:47,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-13 01:51:47,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-13 01:51:47,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 01:51:47,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 01:51:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-13 01:51:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-13 01:51:47,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-13 01:51:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 01:51:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 01:51:47,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-13 01:51:47,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 01:51:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-13 01:51:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-13 01:51:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-13 01:51:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-13 01:51:47,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-13 01:51:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-13 01:51:47,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:47,846 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-10-13 01:51:47,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:51:47,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80110464] [2024-10-13 01:51:47,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80110464] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:51:47,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:51:47,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 01:51:47,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985516470] [2024-10-13 01:51:47,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:51:47,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 01:51:47,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:51:47,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 01:51:47,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 01:51:47,853 INFO L87 Difference]: Start difference. First operand 140 states and 223 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-13 01:51:47,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:51:47,933 INFO L93 Difference]: Finished difference Result 280 states and 447 transitions. [2024-10-13 01:51:47,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 01:51:47,934 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 302 [2024-10-13 01:51:47,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:51:47,940 INFO L225 Difference]: With dead ends: 280 [2024-10-13 01:51:47,941 INFO L226 Difference]: Without dead ends: 141 [2024-10-13 01:51:47,943 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 01:51:47,944 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 0 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 01:51:47,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 407 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 01:51:47,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-10-13 01:51:47,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2024-10-13 01:51:47,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 90 states have (on average 1.4) internal successors, (126), 90 states have internal predecessors, (126), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-13 01:51:47,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 224 transitions. [2024-10-13 01:51:47,967 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 224 transitions. Word has length 302 [2024-10-13 01:51:47,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:51:47,971 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 224 transitions. [2024-10-13 01:51:47,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-13 01:51:47,971 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 224 transitions. [2024-10-13 01:51:47,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-10-13 01:51:47,977 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:51:47,977 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:51:47,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 01:51:47,977 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:51:47,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:51:47,978 INFO L85 PathProgramCache]: Analyzing trace with hash 590412683, now seen corresponding path program 1 times [2024-10-13 01:51:47,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:51:47,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057083941] [2024-10-13 01:51:47,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:51:47,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:51:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:51:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 01:51:48,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 01:51:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 01:51:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 01:51:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 01:51:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 01:51:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 01:51:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 01:51:48,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 01:51:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 01:51:48,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 01:51:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 01:51:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 01:51:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 01:51:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-13 01:51:48,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 01:51:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-13 01:51:48,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 01:51:48,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 01:51:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 01:51:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 01:51:48,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-13 01:51:48,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-13 01:51:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-13 01:51:48,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-13 01:51:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-13 01:51:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-13 01:51:48,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-13 01:51:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 01:51:48,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-13 01:51:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-13 01:51:48,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-13 01:51:48,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-13 01:51:48,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 01:51:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 01:51:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-13 01:51:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-13 01:51:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-13 01:51:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 01:51:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 01:51:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-13 01:51:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 01:51:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-13 01:51:48,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-13 01:51:48,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-13 01:51:48,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-13 01:51:48,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-13 01:51:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-13 01:51:48,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-10-13 01:51:48,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:51:48,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057083941] [2024-10-13 01:51:48,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057083941] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 01:51:48,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 01:51:48,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 01:51:48,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156842353] [2024-10-13 01:51:48,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 01:51:48,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 01:51:48,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:51:48,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 01:51:48,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 01:51:48,387 INFO L87 Difference]: Start difference. First operand 141 states and 224 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-13 01:51:48,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:51:48,428 INFO L93 Difference]: Finished difference Result 282 states and 449 transitions. [2024-10-13 01:51:48,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 01:51:48,429 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 303 [2024-10-13 01:51:48,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:51:48,432 INFO L225 Difference]: With dead ends: 282 [2024-10-13 01:51:48,432 INFO L226 Difference]: Without dead ends: 142 [2024-10-13 01:51:48,435 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 01:51:48,436 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 0 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 01:51:48,437 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 432 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 01:51:48,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-10-13 01:51:48,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2024-10-13 01:51:48,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 91 states have (on average 1.3956043956043955) internal successors, (127), 91 states have internal predecessors, (127), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-13 01:51:48,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 225 transitions. [2024-10-13 01:51:48,462 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 225 transitions. Word has length 303 [2024-10-13 01:51:48,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:51:48,464 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 225 transitions. [2024-10-13 01:51:48,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-13 01:51:48,464 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 225 transitions. [2024-10-13 01:51:48,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-10-13 01:51:48,468 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:51:48,469 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:51:48,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 01:51:48,469 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:51:48,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:51:48,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1012015214, now seen corresponding path program 1 times [2024-10-13 01:51:48,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:51:48,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764580076] [2024-10-13 01:51:48,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:51:48,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:51:48,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:51:48,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 01:51:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 01:51:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 01:51:48,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 01:51:48,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 01:51:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 01:51:48,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 01:51:48,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 01:51:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 01:51:48,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 01:51:48,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 01:51:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 01:51:48,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 01:51:48,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 01:51:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:48,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-13 01:51:48,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:49,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 01:51:49,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:49,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-13 01:51:49,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:49,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 01:51:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:49,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 01:51:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:49,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 01:51:49,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:49,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 01:51:49,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:49,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-13 01:51:49,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:49,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-13 01:51:49,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:49,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-13 01:51:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:49,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-13 01:51:49,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:49,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-13 01:51:49,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:49,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-13 01:51:49,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:49,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-13 01:51:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:49,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 01:51:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:49,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-13 01:51:49,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:49,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-13 01:51:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:49,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-13 01:51:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:49,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-13 01:51:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:49,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 01:51:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:49,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 01:51:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:49,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-13 01:51:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:49,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-13 01:51:49,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:49,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-13 01:51:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:49,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 01:51:49,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:49,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 01:51:49,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:49,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-13 01:51:49,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:49,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 01:51:49,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:49,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-13 01:51:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:49,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-13 01:51:49,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:49,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-13 01:51:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:49,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-13 01:51:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:49,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-13 01:51:49,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:49,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-13 01:51:49,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:49,186 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 45 proven. 99 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2024-10-13 01:51:49,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:51:49,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764580076] [2024-10-13 01:51:49,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764580076] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 01:51:49,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224369971] [2024-10-13 01:51:49,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:51:49,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 01:51:49,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 01:51:49,189 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 01:51:49,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 01:51:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:49,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-13 01:51:49,434 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 01:51:49,981 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 2058 proven. 99 refuted. 0 times theorem prover too weak. 2547 trivial. 0 not checked. [2024-10-13 01:51:49,982 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 01:51:50,412 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 45 proven. 99 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2024-10-13 01:51:50,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1224369971] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 01:51:50,413 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 01:51:50,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-10-13 01:51:50,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120694597] [2024-10-13 01:51:50,413 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 01:51:50,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 01:51:50,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:51:50,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 01:51:50,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-10-13 01:51:50,416 INFO L87 Difference]: Start difference. First operand 142 states and 225 transitions. Second operand has 11 states, 11 states have (on average 8.818181818181818) internal successors, (97), 11 states have internal predecessors, (97), 3 states have call successors, (115), 2 states have call predecessors, (115), 4 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) [2024-10-13 01:51:51,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:51:51,472 INFO L93 Difference]: Finished difference Result 380 states and 593 transitions. [2024-10-13 01:51:51,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-13 01:51:51,473 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.818181818181818) internal successors, (97), 11 states have internal predecessors, (97), 3 states have call successors, (115), 2 states have call predecessors, (115), 4 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) Word has length 304 [2024-10-13 01:51:51,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:51:51,477 INFO L225 Difference]: With dead ends: 380 [2024-10-13 01:51:51,478 INFO L226 Difference]: Without dead ends: 239 [2024-10-13 01:51:51,480 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 725 GetRequests, 704 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=344, Unknown=0, NotChecked=0, Total=506 [2024-10-13 01:51:51,481 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 421 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 272 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 1058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 272 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-13 01:51:51,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [423 Valid, 526 Invalid, 1058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [272 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-13 01:51:51,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-10-13 01:51:51,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 145. [2024-10-13 01:51:51,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 93 states have (on average 1.3010752688172043) internal successors, (121), 93 states have internal predecessors, (121), 49 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-13 01:51:51,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 219 transitions. [2024-10-13 01:51:51,524 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 219 transitions. Word has length 304 [2024-10-13 01:51:51,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:51:51,525 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 219 transitions. [2024-10-13 01:51:51,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.818181818181818) internal successors, (97), 11 states have internal predecessors, (97), 3 states have call successors, (115), 2 states have call predecessors, (115), 4 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) [2024-10-13 01:51:51,537 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 219 transitions. [2024-10-13 01:51:51,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-10-13 01:51:51,542 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:51:51,543 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:51:51,561 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 01:51:51,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 01:51:51,744 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:51:51,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:51:51,744 INFO L85 PathProgramCache]: Analyzing trace with hash -866947337, now seen corresponding path program 1 times [2024-10-13 01:51:51,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:51:51,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593541184] [2024-10-13 01:51:51,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:51:51,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:51:51,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 01:51:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 01:51:52,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 01:51:52,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 01:51:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 01:51:52,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 01:51:52,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-13 01:51:52,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-13 01:51:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 01:51:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 01:51:52,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 01:51:52,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-13 01:51:52,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 01:51:52,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 01:51:52,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-13 01:51:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-13 01:51:52,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 01:51:52,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-13 01:51:52,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 01:51:52,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 01:51:52,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-13 01:51:52,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 01:51:52,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-13 01:51:52,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-13 01:51:52,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-13 01:51:52,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-13 01:51:52,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-13 01:51:52,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-13 01:51:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-13 01:51:52,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 01:51:52,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-13 01:51:52,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-13 01:51:52,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-13 01:51:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-13 01:51:52,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 01:51:52,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-13 01:51:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-13 01:51:52,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-13 01:51:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-13 01:51:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-13 01:51:52,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-13 01:51:52,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-13 01:51:52,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-13 01:51:52,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-13 01:51:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-13 01:51:52,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-13 01:51:52,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-13 01:51:52,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-13 01:51:52,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-13 01:51:52,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,498 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 45 proven. 99 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2024-10-13 01:51:52,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:51:52,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593541184] [2024-10-13 01:51:52,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593541184] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 01:51:52,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [154118991] [2024-10-13 01:51:52,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:51:52,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 01:51:52,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 01:51:52,501 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 01:51:52,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 01:51:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:52,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-13 01:51:52,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 01:51:53,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 2058 proven. 99 refuted. 0 times theorem prover too weak. 2547 trivial. 0 not checked. [2024-10-13 01:51:53,200 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 01:51:53,636 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 45 proven. 99 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2024-10-13 01:51:53,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [154118991] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 01:51:53,636 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 01:51:53,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-10-13 01:51:53,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063986648] [2024-10-13 01:51:53,637 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 01:51:53,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-13 01:51:53,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:51:53,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 01:51:53,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-10-13 01:51:53,641 INFO L87 Difference]: Start difference. First operand 145 states and 219 transitions. Second operand has 14 states, 14 states have (on average 7.285714285714286) internal successors, (102), 14 states have internal predecessors, (102), 3 states have call successors, (115), 2 states have call predecessors, (115), 4 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) [2024-10-13 01:51:54,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 01:51:54,901 INFO L93 Difference]: Finished difference Result 383 states and 579 transitions. [2024-10-13 01:51:54,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-13 01:51:54,902 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.285714285714286) internal successors, (102), 14 states have internal predecessors, (102), 3 states have call successors, (115), 2 states have call predecessors, (115), 4 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) Word has length 305 [2024-10-13 01:51:54,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 01:51:54,905 INFO L225 Difference]: With dead ends: 383 [2024-10-13 01:51:54,905 INFO L226 Difference]: Without dead ends: 239 [2024-10-13 01:51:54,906 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 725 GetRequests, 703 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=149, Invalid=403, Unknown=0, NotChecked=0, Total=552 [2024-10-13 01:51:54,907 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 518 mSDsluCounter, 829 mSDsCounter, 0 mSdLazyCounter, 1181 mSolverCounterSat, 267 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 534 SdHoareTripleChecker+Valid, 1049 SdHoareTripleChecker+Invalid, 1448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 267 IncrementalHoareTripleChecker+Valid, 1181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-13 01:51:54,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [534 Valid, 1049 Invalid, 1448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [267 Valid, 1181 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-13 01:51:54,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-10-13 01:51:54,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 145. [2024-10-13 01:51:54,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 93 states have (on average 1.2903225806451613) internal successors, (120), 93 states have internal predecessors, (120), 49 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-13 01:51:54,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 218 transitions. [2024-10-13 01:51:54,940 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 218 transitions. Word has length 305 [2024-10-13 01:51:54,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 01:51:54,944 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 218 transitions. [2024-10-13 01:51:54,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.285714285714286) internal successors, (102), 14 states have internal predecessors, (102), 3 states have call successors, (115), 2 states have call predecessors, (115), 4 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) [2024-10-13 01:51:54,945 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 218 transitions. [2024-10-13 01:51:54,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2024-10-13 01:51:54,948 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 01:51:54,948 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 01:51:54,994 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-13 01:51:55,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 01:51:55,149 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 01:51:55,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 01:51:55,150 INFO L85 PathProgramCache]: Analyzing trace with hash 932686528, now seen corresponding path program 1 times [2024-10-13 01:51:55,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 01:51:55,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880481737] [2024-10-13 01:51:55,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:51:55,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 01:51:55,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 01:51:55,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1412581219] [2024-10-13 01:51:55,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 01:51:55,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 01:51:55,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 01:51:55,261 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 01:51:55,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 01:51:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 01:51:55,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-13 01:51:55,470 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 01:51:56,879 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 2394 proven. 75 refuted. 0 times theorem prover too weak. 2235 trivial. 0 not checked. [2024-10-13 01:51:56,879 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 01:51:57,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 01:51:57,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880481737] [2024-10-13 01:51:57,593 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 01:51:57,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1412581219] [2024-10-13 01:51:57,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1412581219] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 01:51:57,593 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 01:51:57,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-13 01:51:57,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134793211] [2024-10-13 01:51:57,594 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 01:51:57,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 01:51:57,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 01:51:57,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 01:51:57,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=131, Unknown=2, NotChecked=0, Total=182 [2024-10-13 01:51:57,595 INFO L87 Difference]: Start difference. First operand 145 states and 218 transitions. Second operand has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 7 states have internal predecessors, (73), 2 states have call successors, (49), 2 states have call predecessors, (49), 3 states have return successors, (49), 3 states have call predecessors, (49), 2 states have call successors, (49) [2024-10-13 01:52:01,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-13 01:52:06,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-13 01:52:10,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-13 01:52:14,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-13 01:52:16,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-13 01:52:20,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-13 01:52:23,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.39s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-13 01:52:28,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-13 01:52:32,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-13 01:52:36,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-13 01:52:41,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-13 01:52:45,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-13 01:52:51,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-13 01:52:55,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-13 01:52:59,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-13 01:53:04,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-13 01:53:08,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-13 01:53:12,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-13 01:53:18,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]