./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-82.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-82.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 90db53ce72b1ee9ca381af5f4f7789bdc057550f196d455f7f131773caa16c27 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 08:28:52,352 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 08:28:52,432 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 08:28:52,438 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 08:28:52,439 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 08:28:52,469 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 08:28:52,469 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 08:28:52,470 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 08:28:52,470 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 08:28:52,471 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 08:28:52,471 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 08:28:52,472 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 08:28:52,472 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 08:28:52,473 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 08:28:52,473 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 08:28:52,473 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 08:28:52,474 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 08:28:52,474 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 08:28:52,475 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 08:28:52,475 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 08:28:52,475 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 08:28:52,476 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 08:28:52,476 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 08:28:52,476 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 08:28:52,477 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 08:28:52,477 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 08:28:52,477 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 08:28:52,478 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 08:28:52,478 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 08:28:52,478 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 08:28:52,479 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 08:28:52,479 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 08:28:52,479 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 08:28:52,480 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 08:28:52,480 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 08:28:52,480 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 08:28:52,481 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 08:28:52,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 08:28:52,481 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 08:28:52,481 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 08:28:52,482 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 08:28:52,482 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 08:28:52,482 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90db53ce72b1ee9ca381af5f4f7789bdc057550f196d455f7f131773caa16c27 [2024-10-14 08:28:52,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 08:28:52,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 08:28:52,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 08:28:52,783 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 08:28:52,783 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 08:28:52,784 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-82.i [2024-10-14 08:28:54,344 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 08:28:54,616 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 08:28:54,617 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-82.i [2024-10-14 08:28:54,635 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef7f52698/bc288629d66742089d8f9e8a3022f18f/FLAG00537e86f [2024-10-14 08:28:54,651 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef7f52698/bc288629d66742089d8f9e8a3022f18f [2024-10-14 08:28:54,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 08:28:54,656 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 08:28:54,657 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 08:28:54,657 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 08:28:54,662 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 08:28:54,663 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:28:54" (1/1) ... [2024-10-14 08:28:54,665 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37b76ae9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:54, skipping insertion in model container [2024-10-14 08:28:54,665 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:28:54" (1/1) ... [2024-10-14 08:28:54,705 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 08:28:54,866 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-82.i[916,929] [2024-10-14 08:28:55,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 08:28:55,044 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 08:28:55,054 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-82.i[916,929] [2024-10-14 08:28:55,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 08:28:55,195 INFO L204 MainTranslator]: Completed translation [2024-10-14 08:28:55,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:55 WrapperNode [2024-10-14 08:28:55,195 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 08:28:55,196 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 08:28:55,196 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 08:28:55,197 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 08:28:55,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:55" (1/1) ... [2024-10-14 08:28:55,229 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:55" (1/1) ... [2024-10-14 08:28:55,278 INFO L138 Inliner]: procedures = 26, calls = 93, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 576 [2024-10-14 08:28:55,278 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 08:28:55,279 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 08:28:55,279 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 08:28:55,279 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 08:28:55,292 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:55" (1/1) ... [2024-10-14 08:28:55,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:55" (1/1) ... [2024-10-14 08:28:55,299 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:55" (1/1) ... [2024-10-14 08:28:55,335 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 08:28:55,335 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:55" (1/1) ... [2024-10-14 08:28:55,336 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:55" (1/1) ... [2024-10-14 08:28:55,358 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:55" (1/1) ... [2024-10-14 08:28:55,368 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:55" (1/1) ... [2024-10-14 08:28:55,382 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:55" (1/1) ... [2024-10-14 08:28:55,392 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:55" (1/1) ... [2024-10-14 08:28:55,405 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 08:28:55,407 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 08:28:55,407 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 08:28:55,408 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 08:28:55,409 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:55" (1/1) ... [2024-10-14 08:28:55,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 08:28:55,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 08:28:55,445 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 08:28:55,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 08:28:55,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 08:28:55,500 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 08:28:55,500 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 08:28:55,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 08:28:55,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 08:28:55,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 08:28:55,652 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 08:28:55,654 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 08:28:56,560 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-10-14 08:28:56,561 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 08:28:56,614 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 08:28:56,614 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 08:28:56,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:28:56 BoogieIcfgContainer [2024-10-14 08:28:56,615 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 08:28:56,617 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 08:28:56,618 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 08:28:56,621 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 08:28:56,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:28:54" (1/3) ... [2024-10-14 08:28:56,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@411ce243 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:28:56, skipping insertion in model container [2024-10-14 08:28:56,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:28:55" (2/3) ... [2024-10-14 08:28:56,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@411ce243 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:28:56, skipping insertion in model container [2024-10-14 08:28:56,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:28:56" (3/3) ... [2024-10-14 08:28:56,625 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-250_file-82.i [2024-10-14 08:28:56,647 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 08:28:56,647 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 08:28:56,739 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 08:28:56,747 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;@210926a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 08:28:56,747 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 08:28:56,755 INFO L276 IsEmpty]: Start isEmpty. Operand has 230 states, 147 states have (on average 1.5374149659863945) internal successors, (226), 148 states have internal predecessors, (226), 80 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-10-14 08:28:56,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2024-10-14 08:28:56,792 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:28:56,793 INFO L215 NwaCegarLoop]: trace histogram [80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:28:56,794 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:28:56,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:28:56,800 INFO L85 PathProgramCache]: Analyzing trace with hash -2030278690, now seen corresponding path program 1 times [2024-10-14 08:28:56,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:28:56,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503016099] [2024-10-14 08:28:56,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:28:56,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:28:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:28:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 08:28:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 08:28:57,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 08:28:57,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 08:28:57,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 08:28:57,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 08:28:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-14 08:28:57,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-14 08:28:57,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 08:28:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 08:28:57,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 08:28:57,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 08:28:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 08:28:57,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-14 08:28:57,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 08:28:57,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 08:28:57,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 08:28:57,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 08:28:57,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 08:28:57,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-14 08:28:57,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 08:28:57,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 08:28:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-14 08:28:57,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 08:28:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 08:28:57,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 08:28:57,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 08:28:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 08:28:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 08:28:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-14 08:28:57,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 08:28:57,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-14 08:28:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 08:28:57,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-14 08:28:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-14 08:28:57,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-14 08:28:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-14 08:28:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-14 08:28:57,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-14 08:28:57,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-14 08:28:57,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-14 08:28:57,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-14 08:28:57,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-14 08:28:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-10-14 08:28:57,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-14 08:28:57,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-10-14 08:28:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-14 08:28:57,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-14 08:28:57,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-14 08:28:57,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-10-14 08:28:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-14 08:28:57,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-10-14 08:28:57,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-14 08:28:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-14 08:28:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-14 08:28:57,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-10-14 08:28:57,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-14 08:28:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-10-14 08:28:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-10-14 08:28:57,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-14 08:28:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-14 08:28:57,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-10-14 08:28:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-10-14 08:28:57,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-10-14 08:28:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2024-10-14 08:28:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-10-14 08:28:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2024-10-14 08:28:57,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2024-10-14 08:28:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2024-10-14 08:28:57,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-10-14 08:28:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2024-10-14 08:28:57,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2024-10-14 08:28:57,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2024-10-14 08:28:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2024-10-14 08:28:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2024-10-14 08:28:57,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2024-10-14 08:28:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2024-10-14 08:28:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2024-10-14 08:28:57,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2024-10-14 08:28:57,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:57,785 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12640 trivial. 0 not checked. [2024-10-14 08:28:57,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:28:57,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503016099] [2024-10-14 08:28:57,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503016099] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:28:57,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:28:57,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 08:28:57,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686891548] [2024-10-14 08:28:57,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:28:57,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 08:28:57,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:28:57,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 08:28:57,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 08:28:57,833 INFO L87 Difference]: Start difference. First operand has 230 states, 147 states have (on average 1.5374149659863945) internal successors, (226), 148 states have internal predecessors, (226), 80 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) Second operand has 2 states, 2 states have (on average 50.5) internal successors, (101), 2 states have internal predecessors, (101), 2 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 2 states have call successors, (80) [2024-10-14 08:28:57,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:28:57,917 INFO L93 Difference]: Finished difference Result 456 states and 848 transitions. [2024-10-14 08:28:57,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 08:28:57,920 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 50.5) internal successors, (101), 2 states have internal predecessors, (101), 2 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 2 states have call successors, (80) Word has length 498 [2024-10-14 08:28:57,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:28:57,930 INFO L225 Difference]: With dead ends: 456 [2024-10-14 08:28:57,931 INFO L226 Difference]: Without dead ends: 227 [2024-10-14 08:28:57,939 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 08:28:57,943 INFO L432 NwaCegarLoop]: 375 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, 375 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 08:28:57,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 375 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 08:28:57,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2024-10-14 08:28:58,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2024-10-14 08:28:58,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 145 states have (on average 1.5034482758620689) internal successors, (218), 145 states have internal predecessors, (218), 80 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-10-14 08:28:58,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 378 transitions. [2024-10-14 08:28:58,024 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 378 transitions. Word has length 498 [2024-10-14 08:28:58,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:28:58,025 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 378 transitions. [2024-10-14 08:28:58,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 50.5) internal successors, (101), 2 states have internal predecessors, (101), 2 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 2 states have call successors, (80) [2024-10-14 08:28:58,026 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 378 transitions. [2024-10-14 08:28:58,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2024-10-14 08:28:58,039 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:28:58,039 INFO L215 NwaCegarLoop]: trace histogram [80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:28:58,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 08:28:58,040 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:28:58,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:28:58,041 INFO L85 PathProgramCache]: Analyzing trace with hash -2044675822, now seen corresponding path program 1 times [2024-10-14 08:28:58,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:28:58,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600372140] [2024-10-14 08:28:58,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:28:58,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:28:58,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:28:58,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 08:28:58,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 08:28:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 08:28:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 08:28:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 08:28:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 08:28:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-14 08:28:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-14 08:28:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 08:28:58,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 08:28:58,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 08:28:58,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 08:28:58,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 08:28:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-14 08:28:58,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 08:28:58,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 08:28:58,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 08:28:58,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 08:28:58,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 08:28:58,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-14 08:28:58,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 08:28:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 08:28:58,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-14 08:28:58,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 08:28:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 08:28:58,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 08:28:58,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 08:28:58,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 08:28:58,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 08:28:58,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-14 08:28:58,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 08:28:58,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-14 08:28:58,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 08:28:58,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-14 08:28:58,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-14 08:28:58,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-14 08:28:58,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-14 08:28:58,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-14 08:28:58,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-14 08:28:58,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-14 08:28:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-14 08:28:58,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-14 08:28:58,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-14 08:28:58,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-10-14 08:28:58,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-14 08:28:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-10-14 08:28:58,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-14 08:28:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-14 08:28:58,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-14 08:28:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-10-14 08:28:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-14 08:28:58,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-10-14 08:28:58,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-14 08:28:58,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-14 08:28:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-14 08:28:58,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-10-14 08:28:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-14 08:28:58,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-10-14 08:28:58,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-10-14 08:28:58,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-14 08:28:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-14 08:28:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-10-14 08:28:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-10-14 08:28:58,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-10-14 08:28:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2024-10-14 08:28:58,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-10-14 08:28:58,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2024-10-14 08:28:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2024-10-14 08:28:58,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2024-10-14 08:28:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-10-14 08:28:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2024-10-14 08:28:58,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2024-10-14 08:28:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2024-10-14 08:28:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2024-10-14 08:28:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2024-10-14 08:28:58,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2024-10-14 08:28:58,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2024-10-14 08:28:58,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2024-10-14 08:28:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2024-10-14 08:28:58,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:58,712 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12640 trivial. 0 not checked. [2024-10-14 08:28:58,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:28:58,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600372140] [2024-10-14 08:28:58,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600372140] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:28:58,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:28:58,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 08:28:58,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76541088] [2024-10-14 08:28:58,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:28:58,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 08:28:58,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:28:58,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 08:28:58,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 08:28:58,723 INFO L87 Difference]: Start difference. First operand 227 states and 378 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) [2024-10-14 08:28:58,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:28:58,841 INFO L93 Difference]: Finished difference Result 586 states and 977 transitions. [2024-10-14 08:28:58,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 08:28:58,842 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) Word has length 498 [2024-10-14 08:28:58,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:28:58,852 INFO L225 Difference]: With dead ends: 586 [2024-10-14 08:28:58,852 INFO L226 Difference]: Without dead ends: 360 [2024-10-14 08:28:58,854 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 08:28:58,856 INFO L432 NwaCegarLoop]: 367 mSDtfsCounter, 218 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 08:28:58,856 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 716 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 08:28:58,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-10-14 08:28:58,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 357. [2024-10-14 08:28:58,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 243 states have (on average 1.522633744855967) internal successors, (370), 244 states have internal predecessors, (370), 111 states have call successors, (111), 2 states have call predecessors, (111), 2 states have return successors, (111), 110 states have call predecessors, (111), 111 states have call successors, (111) [2024-10-14 08:28:58,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 592 transitions. [2024-10-14 08:28:58,923 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 592 transitions. Word has length 498 [2024-10-14 08:28:58,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:28:58,927 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 592 transitions. [2024-10-14 08:28:58,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) [2024-10-14 08:28:58,927 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 592 transitions. [2024-10-14 08:28:58,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2024-10-14 08:28:58,936 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:28:58,936 INFO L215 NwaCegarLoop]: trace histogram [80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:28:58,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 08:28:58,937 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:28:58,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:28:58,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1454727850, now seen corresponding path program 1 times [2024-10-14 08:28:58,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:28:58,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184280395] [2024-10-14 08:28:58,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:28:58,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:28:59,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:28:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 08:28:59,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 08:28:59,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 08:28:59,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 08:28:59,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 08:28:59,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 08:28:59,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-14 08:28:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-14 08:28:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 08:28:59,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 08:28:59,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 08:28:59,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 08:28:59,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 08:28:59,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-14 08:28:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 08:28:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 08:28:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 08:28:59,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 08:28:59,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 08:28:59,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-14 08:28:59,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 08:28:59,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 08:28:59,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-14 08:28:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 08:28:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 08:28:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 08:28:59,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 08:28:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 08:28:59,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 08:28:59,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-14 08:28:59,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 08:28:59,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-14 08:28:59,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 08:28:59,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-14 08:28:59,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-14 08:28:59,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-14 08:28:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-14 08:28:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-14 08:28:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-14 08:28:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-14 08:28:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-14 08:28:59,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-14 08:28:59,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-14 08:28:59,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-10-14 08:28:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-14 08:28:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-10-14 08:28:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-14 08:28:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-14 08:28:59,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-14 08:28:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-10-14 08:28:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-14 08:28:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-10-14 08:28:59,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:28:59,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-14 08:28:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:00,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-14 08:29:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:00,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-14 08:29:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:00,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-10-14 08:29:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:00,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-14 08:29:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:00,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-10-14 08:29:00,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:00,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-10-14 08:29:00,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:00,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-14 08:29:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:00,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-14 08:29:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:00,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-10-14 08:29:00,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:00,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-10-14 08:29:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:00,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-10-14 08:29:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:00,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2024-10-14 08:29:00,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:00,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-10-14 08:29:00,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:00,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2024-10-14 08:29:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:00,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2024-10-14 08:29:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:00,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2024-10-14 08:29:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:00,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-10-14 08:29:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:00,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2024-10-14 08:29:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:00,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2024-10-14 08:29:00,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:00,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2024-10-14 08:29:00,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:00,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2024-10-14 08:29:00,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:00,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2024-10-14 08:29:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:00,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2024-10-14 08:29:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:00,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2024-10-14 08:29:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:00,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2024-10-14 08:29:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:00,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2024-10-14 08:29:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:00,119 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12640 trivial. 0 not checked. [2024-10-14 08:29:00,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:29:00,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184280395] [2024-10-14 08:29:00,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184280395] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:29:00,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:29:00,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 08:29:00,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490944025] [2024-10-14 08:29:00,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:29:00,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 08:29:00,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:29:00,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 08:29:00,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 08:29:00,124 INFO L87 Difference]: Start difference. First operand 357 states and 592 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) [2024-10-14 08:29:00,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:29:00,392 INFO L93 Difference]: Finished difference Result 967 states and 1604 transitions. [2024-10-14 08:29:00,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 08:29:00,393 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) Word has length 499 [2024-10-14 08:29:00,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:29:00,400 INFO L225 Difference]: With dead ends: 967 [2024-10-14 08:29:00,401 INFO L226 Difference]: Without dead ends: 611 [2024-10-14 08:29:00,402 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 08:29:00,403 INFO L432 NwaCegarLoop]: 358 mSDtfsCounter, 205 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 1001 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 08:29:00,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 1001 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 08:29:00,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2024-10-14 08:29:00,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 601. [2024-10-14 08:29:00,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 427 states have (on average 1.540983606557377) internal successors, (658), 430 states have internal predecessors, (658), 169 states have call successors, (169), 4 states have call predecessors, (169), 4 states have return successors, (169), 166 states have call predecessors, (169), 169 states have call successors, (169) [2024-10-14 08:29:00,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 996 transitions. [2024-10-14 08:29:00,492 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 996 transitions. Word has length 499 [2024-10-14 08:29:00,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:29:00,494 INFO L471 AbstractCegarLoop]: Abstraction has 601 states and 996 transitions. [2024-10-14 08:29:00,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) [2024-10-14 08:29:00,494 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 996 transitions. [2024-10-14 08:29:00,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2024-10-14 08:29:00,501 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:29:00,502 INFO L215 NwaCegarLoop]: trace histogram [80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:29:00,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 08:29:00,502 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:29:00,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:29:00,503 INFO L85 PathProgramCache]: Analyzing trace with hash -541783755, now seen corresponding path program 1 times [2024-10-14 08:29:00,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:29:00,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41559131] [2024-10-14 08:29:00,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:29:00,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:29:00,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:29:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 08:29:03,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 08:29:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 08:29:03,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 08:29:03,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 08:29:03,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 08:29:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-14 08:29:03,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-14 08:29:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 08:29:03,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 08:29:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 08:29:03,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 08:29:03,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 08:29:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-14 08:29:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 08:29:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 08:29:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 08:29:03,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 08:29:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 08:29:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-14 08:29:03,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 08:29:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 08:29:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-14 08:29:03,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 08:29:03,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 08:29:03,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 08:29:03,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 08:29:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 08:29:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 08:29:03,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-14 08:29:03,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 08:29:03,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-14 08:29:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 08:29:03,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-14 08:29:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-14 08:29:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-14 08:29:03,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-14 08:29:03,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-14 08:29:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-14 08:29:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-14 08:29:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-14 08:29:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-14 08:29:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-14 08:29:03,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-10-14 08:29:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-14 08:29:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-10-14 08:29:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-14 08:29:03,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-14 08:29:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-14 08:29:03,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-10-14 08:29:03,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-14 08:29:03,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-10-14 08:29:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-14 08:29:03,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-14 08:29:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-14 08:29:03,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-10-14 08:29:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-14 08:29:03,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-10-14 08:29:03,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-10-14 08:29:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-14 08:29:03,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-14 08:29:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-10-14 08:29:03,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-10-14 08:29:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-10-14 08:29:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2024-10-14 08:29:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-10-14 08:29:03,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2024-10-14 08:29:03,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2024-10-14 08:29:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2024-10-14 08:29:03,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-10-14 08:29:03,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2024-10-14 08:29:03,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2024-10-14 08:29:03,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2024-10-14 08:29:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2024-10-14 08:29:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2024-10-14 08:29:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2024-10-14 08:29:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2024-10-14 08:29:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2024-10-14 08:29:03,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2024-10-14 08:29:03,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:03,280 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12640 trivial. 0 not checked. [2024-10-14 08:29:03,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:29:03,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41559131] [2024-10-14 08:29:03,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41559131] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:29:03,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:29:03,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 08:29:03,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157248169] [2024-10-14 08:29:03,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:29:03,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 08:29:03,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:29:03,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 08:29:03,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-14 08:29:03,286 INFO L87 Difference]: Start difference. First operand 601 states and 996 transitions. Second operand has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 7 states have internal predecessors, (103), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) [2024-10-14 08:29:04,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:29:04,891 INFO L93 Difference]: Finished difference Result 1508 states and 2477 transitions. [2024-10-14 08:29:04,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 08:29:04,893 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 7 states have internal predecessors, (103), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) Word has length 500 [2024-10-14 08:29:04,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:29:04,903 INFO L225 Difference]: With dead ends: 1508 [2024-10-14 08:29:04,903 INFO L226 Difference]: Without dead ends: 908 [2024-10-14 08:29:04,906 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-14 08:29:04,910 INFO L432 NwaCegarLoop]: 361 mSDtfsCounter, 974 mSDsluCounter, 1394 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 327 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 974 SdHoareTripleChecker+Valid, 1755 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 327 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-14 08:29:04,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [974 Valid, 1755 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [327 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-14 08:29:04,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2024-10-14 08:29:04,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 625. [2024-10-14 08:29:04,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 625 states, 451 states have (on average 1.5454545454545454) internal successors, (697), 454 states have internal predecessors, (697), 169 states have call successors, (169), 4 states have call predecessors, (169), 4 states have return successors, (169), 166 states have call predecessors, (169), 169 states have call successors, (169) [2024-10-14 08:29:04,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 1035 transitions. [2024-10-14 08:29:04,986 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 1035 transitions. Word has length 500 [2024-10-14 08:29:04,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:29:04,987 INFO L471 AbstractCegarLoop]: Abstraction has 625 states and 1035 transitions. [2024-10-14 08:29:04,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 7 states have internal predecessors, (103), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) [2024-10-14 08:29:04,988 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 1035 transitions. [2024-10-14 08:29:04,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2024-10-14 08:29:04,995 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:29:04,995 INFO L215 NwaCegarLoop]: trace histogram [80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:29:04,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 08:29:04,996 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:29:04,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:29:04,997 INFO L85 PathProgramCache]: Analyzing trace with hash -322929037, now seen corresponding path program 1 times [2024-10-14 08:29:04,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:29:04,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334483620] [2024-10-14 08:29:04,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:29:04,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:29:05,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:29:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 08:29:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 08:29:05,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 08:29:05,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 08:29:05,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 08:29:05,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 08:29:05,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-14 08:29:05,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-14 08:29:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 08:29:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 08:29:05,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 08:29:05,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 08:29:05,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 08:29:05,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-14 08:29:05,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 08:29:05,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 08:29:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 08:29:05,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 08:29:05,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 08:29:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-14 08:29:05,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 08:29:05,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 08:29:05,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-14 08:29:05,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 08:29:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 08:29:05,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 08:29:05,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 08:29:05,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 08:29:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 08:29:05,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-14 08:29:05,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 08:29:05,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-14 08:29:05,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 08:29:05,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-14 08:29:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-14 08:29:05,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-14 08:29:05,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-14 08:29:05,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-14 08:29:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-14 08:29:05,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-14 08:29:05,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-14 08:29:05,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-14 08:29:05,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-14 08:29:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-10-14 08:29:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-14 08:29:05,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-10-14 08:29:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-14 08:29:05,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-14 08:29:05,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-14 08:29:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-10-14 08:29:05,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-14 08:29:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-10-14 08:29:05,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-14 08:29:05,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-14 08:29:05,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-14 08:29:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-10-14 08:29:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-14 08:29:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-10-14 08:29:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-10-14 08:29:05,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-14 08:29:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-14 08:29:05,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-10-14 08:29:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-10-14 08:29:05,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-10-14 08:29:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2024-10-14 08:29:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-10-14 08:29:05,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2024-10-14 08:29:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2024-10-14 08:29:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2024-10-14 08:29:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-10-14 08:29:05,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2024-10-14 08:29:05,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2024-10-14 08:29:05,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2024-10-14 08:29:05,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2024-10-14 08:29:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2024-10-14 08:29:05,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2024-10-14 08:29:05,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2024-10-14 08:29:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2024-10-14 08:29:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2024-10-14 08:29:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:05,862 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 177 proven. 60 refuted. 0 times theorem prover too weak. 12403 trivial. 0 not checked. [2024-10-14 08:29:05,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:29:05,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334483620] [2024-10-14 08:29:05,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334483620] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 08:29:05,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663184692] [2024-10-14 08:29:05,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:29:05,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 08:29:05,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 08:29:05,866 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 08:29:05,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 08:29:06,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:06,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 1119 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 08:29:06,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 08:29:06,376 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 849 proven. 6 refuted. 0 times theorem prover too weak. 11785 trivial. 0 not checked. [2024-10-14 08:29:06,379 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 08:29:06,811 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 231 proven. 6 refuted. 0 times theorem prover too weak. 12403 trivial. 0 not checked. [2024-10-14 08:29:06,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1663184692] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 08:29:06,812 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 08:29:06,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-10-14 08:29:06,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490346897] [2024-10-14 08:29:06,812 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 08:29:06,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 08:29:06,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:29:06,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 08:29:06,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-14 08:29:06,815 INFO L87 Difference]: Start difference. First operand 625 states and 1035 transitions. Second operand has 8 states, 8 states have (on average 20.375) internal successors, (163), 8 states have internal predecessors, (163), 3 states have call successors, (102), 2 states have call predecessors, (102), 4 states have return successors, (104), 3 states have call predecessors, (104), 3 states have call successors, (104) [2024-10-14 08:29:07,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:29:07,718 INFO L93 Difference]: Finished difference Result 1264 states and 2082 transitions. [2024-10-14 08:29:07,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 08:29:07,719 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.375) internal successors, (163), 8 states have internal predecessors, (163), 3 states have call successors, (102), 2 states have call predecessors, (102), 4 states have return successors, (104), 3 states have call predecessors, (104), 3 states have call successors, (104) Word has length 500 [2024-10-14 08:29:07,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:29:07,725 INFO L225 Difference]: With dead ends: 1264 [2024-10-14 08:29:07,725 INFO L226 Difference]: Without dead ends: 640 [2024-10-14 08:29:07,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1172 GetRequests, 1156 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2024-10-14 08:29:07,728 INFO L432 NwaCegarLoop]: 283 mSDtfsCounter, 706 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 588 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 707 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 1025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 588 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 08:29:07,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [707 Valid, 689 Invalid, 1025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [588 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 08:29:07,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2024-10-14 08:29:07,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 630. [2024-10-14 08:29:07,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 630 states, 454 states have (on average 1.5220264317180616) internal successors, (691), 457 states have internal predecessors, (691), 169 states have call successors, (169), 6 states have call predecessors, (169), 6 states have return successors, (169), 166 states have call predecessors, (169), 169 states have call successors, (169) [2024-10-14 08:29:07,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 1029 transitions. [2024-10-14 08:29:07,816 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 1029 transitions. Word has length 500 [2024-10-14 08:29:07,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:29:07,817 INFO L471 AbstractCegarLoop]: Abstraction has 630 states and 1029 transitions. [2024-10-14 08:29:07,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.375) internal successors, (163), 8 states have internal predecessors, (163), 3 states have call successors, (102), 2 states have call predecessors, (102), 4 states have return successors, (104), 3 states have call predecessors, (104), 3 states have call successors, (104) [2024-10-14 08:29:07,818 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 1029 transitions. [2024-10-14 08:29:07,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2024-10-14 08:29:07,826 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:29:07,827 INFO L215 NwaCegarLoop]: trace histogram [80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:29:07,846 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 08:29:08,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 08:29:08,032 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:29:08,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:29:08,033 INFO L85 PathProgramCache]: Analyzing trace with hash 345138223, now seen corresponding path program 1 times [2024-10-14 08:29:08,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:29:08,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010669057] [2024-10-14 08:29:08,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:29:08,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:29:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:29:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 08:29:08,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 08:29:08,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 08:29:08,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 08:29:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 08:29:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 08:29:08,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-14 08:29:08,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-14 08:29:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 08:29:08,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 08:29:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 08:29:08,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 08:29:08,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 08:29:08,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-14 08:29:08,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 08:29:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 08:29:08,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 08:29:08,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 08:29:08,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 08:29:08,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-14 08:29:08,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 08:29:08,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 08:29:08,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-14 08:29:08,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 08:29:08,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 08:29:08,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 08:29:08,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 08:29:08,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 08:29:08,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 08:29:08,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-14 08:29:08,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 08:29:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-14 08:29:08,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 08:29:08,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-14 08:29:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-14 08:29:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-14 08:29:08,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-14 08:29:08,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-14 08:29:08,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-14 08:29:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-14 08:29:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-14 08:29:08,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-14 08:29:08,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-14 08:29:08,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-10-14 08:29:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-14 08:29:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-10-14 08:29:08,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-14 08:29:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-14 08:29:08,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-14 08:29:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-10-14 08:29:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-14 08:29:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-10-14 08:29:08,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-14 08:29:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-14 08:29:08,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-14 08:29:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-10-14 08:29:08,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-14 08:29:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-10-14 08:29:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-10-14 08:29:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-14 08:29:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-14 08:29:08,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-10-14 08:29:08,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-10-14 08:29:08,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-10-14 08:29:08,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2024-10-14 08:29:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-10-14 08:29:08,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2024-10-14 08:29:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2024-10-14 08:29:08,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2024-10-14 08:29:08,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-10-14 08:29:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2024-10-14 08:29:08,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2024-10-14 08:29:08,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2024-10-14 08:29:08,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2024-10-14 08:29:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2024-10-14 08:29:08,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2024-10-14 08:29:08,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2024-10-14 08:29:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2024-10-14 08:29:08,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2024-10-14 08:29:08,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:08,883 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12640 trivial. 0 not checked. [2024-10-14 08:29:08,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:29:08,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010669057] [2024-10-14 08:29:08,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010669057] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 08:29:08,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 08:29:08,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 08:29:08,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234135249] [2024-10-14 08:29:08,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 08:29:08,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 08:29:08,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:29:08,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 08:29:08,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 08:29:08,887 INFO L87 Difference]: Start difference. First operand 630 states and 1029 transitions. Second operand has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) [2024-10-14 08:29:09,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:29:09,276 INFO L93 Difference]: Finished difference Result 1263 states and 2061 transitions. [2024-10-14 08:29:09,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 08:29:09,277 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) Word has length 501 [2024-10-14 08:29:09,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:29:09,282 INFO L225 Difference]: With dead ends: 1263 [2024-10-14 08:29:09,282 INFO L226 Difference]: Without dead ends: 634 [2024-10-14 08:29:09,284 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 08:29:09,285 INFO L432 NwaCegarLoop]: 371 mSDtfsCounter, 584 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 08:29:09,285 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [584 Valid, 371 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 08:29:09,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2024-10-14 08:29:09,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 630. [2024-10-14 08:29:09,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 630 states, 454 states have (on average 1.513215859030837) internal successors, (687), 457 states have internal predecessors, (687), 169 states have call successors, (169), 6 states have call predecessors, (169), 6 states have return successors, (169), 166 states have call predecessors, (169), 169 states have call successors, (169) [2024-10-14 08:29:09,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 1025 transitions. [2024-10-14 08:29:09,387 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 1025 transitions. Word has length 501 [2024-10-14 08:29:09,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:29:09,388 INFO L471 AbstractCegarLoop]: Abstraction has 630 states and 1025 transitions. [2024-10-14 08:29:09,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 1 states have call successors, (80), 1 states have call predecessors, (80), 1 states have return successors, (80), 1 states have call predecessors, (80), 1 states have call successors, (80) [2024-10-14 08:29:09,389 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 1025 transitions. [2024-10-14 08:29:09,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2024-10-14 08:29:09,392 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:29:09,392 INFO L215 NwaCegarLoop]: trace histogram [80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:29:09,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 08:29:09,393 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:29:09,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:29:09,394 INFO L85 PathProgramCache]: Analyzing trace with hash -665979027, now seen corresponding path program 1 times [2024-10-14 08:29:09,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:29:09,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322319564] [2024-10-14 08:29:09,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:29:09,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:29:09,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:29:10,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 08:29:10,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 08:29:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 08:29:10,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 08:29:10,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 08:29:10,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 08:29:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-14 08:29:10,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-14 08:29:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 08:29:10,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 08:29:10,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 08:29:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 08:29:10,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 08:29:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-14 08:29:10,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 08:29:10,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 08:29:10,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 08:29:10,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 08:29:10,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 08:29:10,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-14 08:29:10,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 08:29:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 08:29:10,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-14 08:29:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 08:29:10,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 08:29:10,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 08:29:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 08:29:10,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 08:29:10,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 08:29:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-14 08:29:10,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 08:29:10,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-14 08:29:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 08:29:10,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-14 08:29:10,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-14 08:29:10,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-14 08:29:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-14 08:29:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-14 08:29:10,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-14 08:29:10,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-14 08:29:10,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-14 08:29:10,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-14 08:29:10,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-14 08:29:10,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-10-14 08:29:10,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-14 08:29:10,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-10-14 08:29:10,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-14 08:29:10,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-14 08:29:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-14 08:29:10,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-10-14 08:29:10,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-14 08:29:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-10-14 08:29:10,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-14 08:29:10,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-14 08:29:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-14 08:29:10,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-10-14 08:29:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-14 08:29:10,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-10-14 08:29:10,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-10-14 08:29:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-14 08:29:10,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-14 08:29:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-10-14 08:29:10,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-10-14 08:29:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-10-14 08:29:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2024-10-14 08:29:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-10-14 08:29:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2024-10-14 08:29:10,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2024-10-14 08:29:10,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2024-10-14 08:29:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-10-14 08:29:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2024-10-14 08:29:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2024-10-14 08:29:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2024-10-14 08:29:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2024-10-14 08:29:10,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2024-10-14 08:29:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2024-10-14 08:29:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2024-10-14 08:29:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2024-10-14 08:29:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2024-10-14 08:29:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,427 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 87 proven. 150 refuted. 0 times theorem prover too weak. 12403 trivial. 0 not checked. [2024-10-14 08:29:10,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:29:10,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322319564] [2024-10-14 08:29:10,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322319564] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 08:29:10,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1362869175] [2024-10-14 08:29:10,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:29:10,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 08:29:10,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 08:29:10,432 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 08:29:10,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 08:29:10,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:10,727 INFO L255 TraceCheckSpWp]: Trace formula consists of 1120 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 08:29:10,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 08:29:11,351 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 5937 proven. 150 refuted. 0 times theorem prover too weak. 6553 trivial. 0 not checked. [2024-10-14 08:29:11,352 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 08:29:11,915 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 87 proven. 150 refuted. 0 times theorem prover too weak. 12403 trivial. 0 not checked. [2024-10-14 08:29:11,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1362869175] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 08:29:11,915 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 08:29:11,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2024-10-14 08:29:11,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264698043] [2024-10-14 08:29:11,916 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 08:29:11,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 08:29:11,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:29:11,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 08:29:11,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-10-14 08:29:11,919 INFO L87 Difference]: Start difference. First operand 630 states and 1025 transitions. Second operand has 9 states, 9 states have (on average 23.22222222222222) internal successors, (209), 9 states have internal predecessors, (209), 4 states have call successors, (180), 2 states have call predecessors, (180), 4 states have return successors, (181), 4 states have call predecessors, (181), 4 states have call successors, (181) [2024-10-14 08:29:12,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 08:29:12,507 INFO L93 Difference]: Finished difference Result 1027 states and 1647 transitions. [2024-10-14 08:29:12,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 08:29:12,509 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 23.22222222222222) internal successors, (209), 9 states have internal predecessors, (209), 4 states have call successors, (180), 2 states have call predecessors, (180), 4 states have return successors, (181), 4 states have call predecessors, (181), 4 states have call successors, (181) Word has length 501 [2024-10-14 08:29:12,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 08:29:12,514 INFO L225 Difference]: With dead ends: 1027 [2024-10-14 08:29:12,515 INFO L226 Difference]: Without dead ends: 398 [2024-10-14 08:29:12,518 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1168 GetRequests, 1157 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2024-10-14 08:29:12,518 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 310 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 08:29:12,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 628 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 08:29:12,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2024-10-14 08:29:12,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 390. [2024-10-14 08:29:12,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 270 states have (on average 1.4296296296296296) internal successors, (386), 271 states have internal predecessors, (386), 111 states have call successors, (111), 8 states have call predecessors, (111), 8 states have return successors, (111), 110 states have call predecessors, (111), 111 states have call successors, (111) [2024-10-14 08:29:12,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 608 transitions. [2024-10-14 08:29:12,583 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 608 transitions. Word has length 501 [2024-10-14 08:29:12,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 08:29:12,584 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 608 transitions. [2024-10-14 08:29:12,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 23.22222222222222) internal successors, (209), 9 states have internal predecessors, (209), 4 states have call successors, (180), 2 states have call predecessors, (180), 4 states have return successors, (181), 4 states have call predecessors, (181), 4 states have call successors, (181) [2024-10-14 08:29:12,585 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 608 transitions. [2024-10-14 08:29:12,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2024-10-14 08:29:12,588 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 08:29:12,588 INFO L215 NwaCegarLoop]: trace histogram [80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 08:29:12,610 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-14 08:29:12,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-10-14 08:29:12,793 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 08:29:12,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 08:29:12,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1977646637, now seen corresponding path program 1 times [2024-10-14 08:29:12,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 08:29:12,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310940809] [2024-10-14 08:29:12,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:29:12,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 08:29:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 08:29:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 08:29:21,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 08:29:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 08:29:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 08:29:21,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-14 08:29:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-14 08:29:21,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-14 08:29:21,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-14 08:29:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-14 08:29:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-14 08:29:21,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-14 08:29:21,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 08:29:21,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 08:29:21,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-14 08:29:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-14 08:29:21,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-14 08:29:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-14 08:29:21,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 08:29:21,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-14 08:29:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-14 08:29:21,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-14 08:29:21,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-14 08:29:21,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-14 08:29:21,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 08:29:21,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 08:29:21,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-14 08:29:21,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-14 08:29:21,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 08:29:21,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 08:29:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-10-14 08:29:21,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 08:29:21,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-10-14 08:29:21,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 08:29:21,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-14 08:29:21,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-14 08:29:21,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-14 08:29:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-10-14 08:29:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-10-14 08:29:21,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-14 08:29:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-14 08:29:21,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-14 08:29:21,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-14 08:29:21,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-14 08:29:21,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-10-14 08:29:21,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-10-14 08:29:21,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-10-14 08:29:21,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-14 08:29:21,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-10-14 08:29:21,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-14 08:29:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-10-14 08:29:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-10-14 08:29:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-10-14 08:29:21,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-14 08:29:21,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-14 08:29:21,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-14 08:29:21,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-10-14 08:29:21,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-14 08:29:21,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2024-10-14 08:29:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2024-10-14 08:29:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-14 08:29:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-14 08:29:21,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-10-14 08:29:21,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-10-14 08:29:21,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-10-14 08:29:21,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2024-10-14 08:29:21,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2024-10-14 08:29:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2024-10-14 08:29:21,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2024-10-14 08:29:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2024-10-14 08:29:21,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-10-14 08:29:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2024-10-14 08:29:21,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2024-10-14 08:29:21,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2024-10-14 08:29:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2024-10-14 08:29:21,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2024-10-14 08:29:21,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2024-10-14 08:29:21,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2024-10-14 08:29:21,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2024-10-14 08:29:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2024-10-14 08:29:21,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,541 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 333 proven. 135 refuted. 0 times theorem prover too weak. 12172 trivial. 0 not checked. [2024-10-14 08:29:21,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 08:29:21,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310940809] [2024-10-14 08:29:21,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310940809] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 08:29:21,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668755507] [2024-10-14 08:29:21,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 08:29:21,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 08:29:21,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 08:29:21,544 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 08:29:21,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 08:29:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 08:29:21,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 1118 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-10-14 08:29:21,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 08:29:30,267 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 9149 proven. 720 refuted. 0 times theorem prover too weak. 2771 trivial. 0 not checked. [2024-10-14 08:29:30,267 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 08:29:33,193 INFO L134 CoverageAnalysis]: Checked inductivity of 12640 backedges. 651 proven. 504 refuted. 0 times theorem prover too weak. 11485 trivial. 0 not checked. [2024-10-14 08:29:33,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [668755507] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 08:29:33,193 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 08:29:33,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 28, 23] total 62 [2024-10-14 08:29:33,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14822853] [2024-10-14 08:29:33,194 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 08:29:33,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2024-10-14 08:29:33,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 08:29:33,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2024-10-14 08:29:33,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=635, Invalid=3147, Unknown=0, NotChecked=0, Total=3782 [2024-10-14 08:29:33,199 INFO L87 Difference]: Start difference. First operand 390 states and 608 transitions. Second operand has 62 states, 59 states have (on average 4.762711864406779) internal successors, (281), 57 states have internal predecessors, (281), 18 states have call successors, (180), 8 states have call predecessors, (180), 17 states have return successors, (182), 18 states have call predecessors, (182), 18 states have call successors, (182)