./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-81.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 330035e885fa245249a9985bfeff9cf400ee4543a6b7e2fb380a386ceeec5a9f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 08:16:13,056 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 08:16:13,111 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 08:16:13,115 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 08:16:13,117 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 08:16:13,138 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 08:16:13,139 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 08:16:13,139 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 08:16:13,140 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 08:16:13,141 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 08:16:13,141 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 08:16:13,142 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 08:16:13,142 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 08:16:13,143 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 08:16:13,145 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 08:16:13,145 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 08:16:13,146 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 08:16:13,146 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 08:16:13,146 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 08:16:13,146 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 08:16:13,146 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 08:16:13,147 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 08:16:13,147 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 08:16:13,147 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 08:16:13,147 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 08:16:13,147 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 08:16:13,147 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 08:16:13,148 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 08:16:13,148 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 08:16:13,148 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 08:16:13,148 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 08:16:13,148 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 08:16:13,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:16:13,149 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 08:16:13,149 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 08:16:13,149 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 08:16:13,149 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 08:16:13,149 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 08:16:13,150 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 08:16:13,150 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 08:16:13,150 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 08:16:13,152 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 08:16:13,152 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 330035e885fa245249a9985bfeff9cf400ee4543a6b7e2fb380a386ceeec5a9f [2024-10-24 08:16:13,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 08:16:13,396 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 08:16:13,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 08:16:13,399 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 08:16:13,399 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 08:16:13,400 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-81.i [2024-10-24 08:16:14,707 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 08:16:14,897 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 08:16:14,898 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-81.i [2024-10-24 08:16:14,912 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6af1be42b/d646b9265d9d43a4953b9fe2d91e17fb/FLAGba7faa351 [2024-10-24 08:16:15,280 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6af1be42b/d646b9265d9d43a4953b9fe2d91e17fb [2024-10-24 08:16:15,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 08:16:15,283 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 08:16:15,284 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 08:16:15,284 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 08:16:15,289 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 08:16:15,290 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:16:15" (1/1) ... [2024-10-24 08:16:15,291 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@553b5ce3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:16:15, skipping insertion in model container [2024-10-24 08:16:15,291 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:16:15" (1/1) ... [2024-10-24 08:16:15,354 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 08:16:15,482 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-81.i[919,932] [2024-10-24 08:16:15,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:16:15,573 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 08:16:15,583 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-81.i[919,932] [2024-10-24 08:16:15,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:16:15,637 INFO L204 MainTranslator]: Completed translation [2024-10-24 08:16:15,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:16:15 WrapperNode [2024-10-24 08:16:15,638 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 08:16:15,638 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 08:16:15,639 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 08:16:15,639 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 08:16:15,644 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:16:15" (1/1) ... [2024-10-24 08:16:15,658 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:16:15" (1/1) ... [2024-10-24 08:16:15,695 INFO L138 Inliner]: procedures = 26, calls = 63, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 308 [2024-10-24 08:16:15,696 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 08:16:15,696 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 08:16:15,696 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 08:16:15,696 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 08:16:15,705 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:16:15" (1/1) ... [2024-10-24 08:16:15,706 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:16:15" (1/1) ... [2024-10-24 08:16:15,713 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:16:15" (1/1) ... [2024-10-24 08:16:15,739 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]. [2024-10-24 08:16:15,743 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:16:15" (1/1) ... [2024-10-24 08:16:15,743 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:16:15" (1/1) ... [2024-10-24 08:16:15,756 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:16:15" (1/1) ... [2024-10-24 08:16:15,762 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:16:15" (1/1) ... [2024-10-24 08:16:15,767 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:16:15" (1/1) ... [2024-10-24 08:16:15,769 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:16:15" (1/1) ... [2024-10-24 08:16:15,773 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 08:16:15,774 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 08:16:15,775 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 08:16:15,775 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 08:16:15,775 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:16:15" (1/1) ... [2024-10-24 08:16:15,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:16:15,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 08:16:15,807 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) [2024-10-24 08:16:15,818 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 [2024-10-24 08:16:15,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 08:16:15,854 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 08:16:15,855 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 08:16:15,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 08:16:15,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 08:16:15,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 08:16:15,958 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 08:16:15,959 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 08:16:16,346 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-10-24 08:16:16,347 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 08:16:16,381 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 08:16:16,381 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 08:16:16,382 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:16:16 BoogieIcfgContainer [2024-10-24 08:16:16,382 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 08:16:16,386 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 08:16:16,386 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 08:16:16,388 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 08:16:16,389 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 08:16:15" (1/3) ... [2024-10-24 08:16:16,390 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dcbc711 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:16:16, skipping insertion in model container [2024-10-24 08:16:16,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:16:15" (2/3) ... [2024-10-24 08:16:16,390 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dcbc711 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:16:16, skipping insertion in model container [2024-10-24 08:16:16,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:16:16" (3/3) ... [2024-10-24 08:16:16,391 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-cn_file-81.i [2024-10-24 08:16:16,404 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 08:16:16,404 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 08:16:16,463 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 08:16:16,469 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;@2bec1d9f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 08:16:16,470 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 08:16:16,473 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 75 states have (on average 1.4533333333333334) internal successors, (109), 76 states have internal predecessors, (109), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-24 08:16:16,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-10-24 08:16:16,490 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:16:16,491 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:16:16,491 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:16:16,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:16:16,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1064743791, now seen corresponding path program 1 times [2024-10-24 08:16:16,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:16:16,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908533493] [2024-10-24 08:16:16,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:16:16,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:16:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:16,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:16:16,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:16,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:16:16,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:16,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:16:16,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:16,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:16:16,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:16,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:16:16,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:16,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:16:16,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:16,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:16:16,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:16,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:16:16,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:16,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:16:16,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:16,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:16:16,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:16,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:16:16,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:16,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:16:16,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:16,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:16:16,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:16,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:16:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:16,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:16:16,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:16,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:16:16,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:16,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:16:16,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:16,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:16:16,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:16,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 08:16:16,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:16,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:16:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:16,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 08:16:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:16,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:16:16,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:16,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 08:16:16,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:16,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 08:16:16,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:16,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 08:16:16,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:16,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 08:16:16,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:16,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 08:16:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:16,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 08:16:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:16,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 08:16:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:16,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 08:16:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:16,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 08:16:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:16,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 08:16:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:16,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 08:16:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:16,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 08:16:16,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:16,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 08:16:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 08:16:17,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 08:16:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 08:16:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 08:16:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 08:16:17,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 08:16:17,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 08:16:17,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 08:16:17,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 08:16:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 08:16:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 08:16:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-24 08:16:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-24 08:16:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-24 08:16:17,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-24 08:16:17,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,035 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-24 08:16:17,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:16:17,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908533493] [2024-10-24 08:16:17,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908533493] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:16:17,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:16:17,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 08:16:17,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334060476] [2024-10-24 08:16:17,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:16:17,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 08:16:17,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:16:17,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 08:16:17,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:16:17,060 INFO L87 Difference]: Start difference. First operand has 128 states, 75 states have (on average 1.4533333333333334) internal successors, (109), 76 states have internal predecessors, (109), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-24 08:16:17,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:16:17,107 INFO L93 Difference]: Finished difference Result 253 states and 466 transitions. [2024-10-24 08:16:17,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 08:16:17,111 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) Word has length 302 [2024-10-24 08:16:17,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:16:17,118 INFO L225 Difference]: With dead ends: 253 [2024-10-24 08:16:17,118 INFO L226 Difference]: Without dead ends: 126 [2024-10-24 08:16:17,122 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:16:17,124 INFO L432 NwaCegarLoop]: 201 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, 201 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 [2024-10-24 08:16:17,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 201 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 08:16:17,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-10-24 08:16:17,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2024-10-24 08:16:17,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 74 states have (on average 1.4054054054054055) internal successors, (104), 74 states have internal predecessors, (104), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-24 08:16:17,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 204 transitions. [2024-10-24 08:16:17,182 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 204 transitions. Word has length 302 [2024-10-24 08:16:17,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:16:17,182 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 204 transitions. [2024-10-24 08:16:17,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-24 08:16:17,183 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 204 transitions. [2024-10-24 08:16:17,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-10-24 08:16:17,192 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:16:17,193 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:16:17,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 08:16:17,193 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:16:17,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:16:17,194 INFO L85 PathProgramCache]: Analyzing trace with hash 764284377, now seen corresponding path program 1 times [2024-10-24 08:16:17,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:16:17,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391207620] [2024-10-24 08:16:17,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:16:17,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:16:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:16:17,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:16:17,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:16:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:16:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:16:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:16:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:16:17,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:16:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:16:17,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:16:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:16:17,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:16:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:16:17,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:16:17,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:16:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:16:17,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:16:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:16:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 08:16:17,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:16:17,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 08:16:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:16:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 08:16:17,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 08:16:17,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 08:16:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 08:16:17,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 08:16:17,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 08:16:17,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 08:16:17,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 08:16:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 08:16:17,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 08:16:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 08:16:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:17,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 08:16:18,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:18,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 08:16:18,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:18,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 08:16:18,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:18,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 08:16:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:18,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 08:16:18,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:18,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 08:16:18,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:18,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 08:16:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:18,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 08:16:18,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:18,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 08:16:18,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:18,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 08:16:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:18,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 08:16:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:18,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 08:16:18,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:18,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 08:16:18,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:18,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-24 08:16:18,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:18,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-24 08:16:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:18,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-24 08:16:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:18,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-24 08:16:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:18,075 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-24 08:16:18,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:16:18,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391207620] [2024-10-24 08:16:18,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391207620] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:16:18,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:16:18,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 08:16:18,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434792929] [2024-10-24 08:16:18,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:16:18,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 08:16:18,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:16:18,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 08:16:18,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 08:16:18,081 INFO L87 Difference]: Start difference. First operand 126 states and 204 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-24 08:16:18,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:16:18,338 INFO L93 Difference]: Finished difference Result 377 states and 612 transitions. [2024-10-24 08:16:18,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 08:16:18,339 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 302 [2024-10-24 08:16:18,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:16:18,342 INFO L225 Difference]: With dead ends: 377 [2024-10-24 08:16:18,342 INFO L226 Difference]: Without dead ends: 252 [2024-10-24 08:16:18,343 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 08:16:18,344 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 121 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 08:16:18,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 592 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 08:16:18,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-10-24 08:16:18,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 250. [2024-10-24 08:16:18,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 147 states have (on average 1.4081632653061225) internal successors, (207), 147 states have internal predecessors, (207), 100 states have call successors, (100), 2 states have call predecessors, (100), 2 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-24 08:16:18,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 407 transitions. [2024-10-24 08:16:18,380 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 407 transitions. Word has length 302 [2024-10-24 08:16:18,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:16:18,381 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 407 transitions. [2024-10-24 08:16:18,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-24 08:16:18,381 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 407 transitions. [2024-10-24 08:16:18,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-10-24 08:16:18,384 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:16:18,384 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:16:18,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 08:16:18,385 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:16:18,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:16:18,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1511991172, now seen corresponding path program 1 times [2024-10-24 08:16:18,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:16:18,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585076360] [2024-10-24 08:16:18,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:16:18,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:16:18,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:16:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:16:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:16:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:16:19,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:16:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:16:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:16:19,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:16:19,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:16:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:16:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:16:19,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:16:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:16:19,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:16:19,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:16:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:16:19,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:16:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:16:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 08:16:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:16:19,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 08:16:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:16:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 08:16:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 08:16:19,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 08:16:19,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 08:16:19,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 08:16:19,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 08:16:19,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 08:16:19,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 08:16:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 08:16:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 08:16:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 08:16:19,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 08:16:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 08:16:19,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 08:16:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 08:16:19,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 08:16:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 08:16:19,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 08:16:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 08:16:19,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 08:16:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 08:16:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 08:16:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 08:16:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 08:16:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-24 08:16:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-24 08:16:19,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-24 08:16:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-24 08:16:19,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:19,168 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-24 08:16:19,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:16:19,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585076360] [2024-10-24 08:16:19,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585076360] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:16:19,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:16:19,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 08:16:19,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051991074] [2024-10-24 08:16:19,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:16:19,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 08:16:19,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:16:19,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 08:16:19,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 08:16:19,171 INFO L87 Difference]: Start difference. First operand 250 states and 407 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-24 08:16:19,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:16:19,865 INFO L93 Difference]: Finished difference Result 937 states and 1500 transitions. [2024-10-24 08:16:19,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 08:16:19,865 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 303 [2024-10-24 08:16:19,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:16:19,873 INFO L225 Difference]: With dead ends: 937 [2024-10-24 08:16:19,874 INFO L226 Difference]: Without dead ends: 688 [2024-10-24 08:16:19,875 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 107 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-24 08:16:19,877 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 417 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 265 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 417 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 265 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 08:16:19,879 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [417 Valid, 646 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [265 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 08:16:19,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2024-10-24 08:16:19,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 264. [2024-10-24 08:16:19,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 159 states have (on average 1.4025157232704402) internal successors, (223), 159 states have internal predecessors, (223), 100 states have call successors, (100), 4 states have call predecessors, (100), 4 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-24 08:16:19,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 423 transitions. [2024-10-24 08:16:19,951 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 423 transitions. Word has length 303 [2024-10-24 08:16:19,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:16:19,952 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 423 transitions. [2024-10-24 08:16:19,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-24 08:16:19,952 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 423 transitions. [2024-10-24 08:16:19,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-10-24 08:16:19,956 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:16:19,956 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:16:19,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 08:16:19,956 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:16:19,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:16:19,957 INFO L85 PathProgramCache]: Analyzing trace with hash 117095086, now seen corresponding path program 1 times [2024-10-24 08:16:19,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:16:19,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68458850] [2024-10-24 08:16:19,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:16:19,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:16:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:16:20,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:16:20,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:16:20,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:16:20,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:16:20,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:16:20,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:16:20,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:16:20,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:16:20,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:16:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:16:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:16:20,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:16:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:16:20,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:16:20,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:16:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:16:20,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:16:20,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 08:16:20,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:16:20,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 08:16:20,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:16:20,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 08:16:20,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 08:16:20,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 08:16:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 08:16:20,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 08:16:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 08:16:20,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 08:16:20,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 08:16:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 08:16:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 08:16:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 08:16:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 08:16:20,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 08:16:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 08:16:20,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 08:16:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 08:16:20,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 08:16:20,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 08:16:20,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 08:16:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 08:16:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 08:16:20,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 08:16:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 08:16:20,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 08:16:20,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-24 08:16:20,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-24 08:16:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-24 08:16:20,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-24 08:16:20,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:20,305 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-24 08:16:20,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:16:20,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68458850] [2024-10-24 08:16:20,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68458850] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:16:20,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:16:20,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 08:16:20,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449491833] [2024-10-24 08:16:20,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:16:20,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 08:16:20,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:16:20,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 08:16:20,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 08:16:20,308 INFO L87 Difference]: Start difference. First operand 264 states and 423 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-24 08:16:20,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:16:20,389 INFO L93 Difference]: Finished difference Result 591 states and 938 transitions. [2024-10-24 08:16:20,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 08:16:20,390 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 303 [2024-10-24 08:16:20,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:16:20,393 INFO L225 Difference]: With dead ends: 591 [2024-10-24 08:16:20,394 INFO L226 Difference]: Without dead ends: 328 [2024-10-24 08:16:20,395 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 08:16:20,398 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 40 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 08:16:20,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 591 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 08:16:20,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2024-10-24 08:16:20,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 324. [2024-10-24 08:16:20,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 209 states have (on average 1.4019138755980862) internal successors, (293), 211 states have internal predecessors, (293), 108 states have call successors, (108), 6 states have call predecessors, (108), 6 states have return successors, (108), 106 states have call predecessors, (108), 108 states have call successors, (108) [2024-10-24 08:16:20,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 509 transitions. [2024-10-24 08:16:20,443 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 509 transitions. Word has length 303 [2024-10-24 08:16:20,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:16:20,445 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 509 transitions. [2024-10-24 08:16:20,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-24 08:16:20,446 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 509 transitions. [2024-10-24 08:16:20,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-10-24 08:16:20,448 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:16:20,449 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:16:20,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 08:16:20,449 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:16:20,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:16:20,449 INFO L85 PathProgramCache]: Analyzing trace with hash -562963284, now seen corresponding path program 1 times [2024-10-24 08:16:20,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:16:20,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252736032] [2024-10-24 08:16:20,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:16:20,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:16:20,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:16:30,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:16:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:16:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:16:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:16:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:16:30,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:16:30,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:16:30,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:16:30,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:16:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:16:30,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:16:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:16:30,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:16:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:16:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:16:30,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:16:30,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:16:30,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 08:16:30,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:16:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 08:16:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:16:30,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 08:16:30,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 08:16:30,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 08:16:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 08:16:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 08:16:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 08:16:30,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 08:16:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 08:16:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 08:16:30,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 08:16:30,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 08:16:30,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 08:16:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 08:16:30,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 08:16:30,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 08:16:30,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 08:16:30,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 08:16:30,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 08:16:30,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 08:16:30,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 08:16:30,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 08:16:30,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 08:16:30,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 08:16:30,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 08:16:30,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-24 08:16:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-24 08:16:30,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-24 08:16:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-24 08:16:30,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:30,791 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-24 08:16:30,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:16:30,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252736032] [2024-10-24 08:16:30,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252736032] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:16:30,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:16:30,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-24 08:16:30,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851188330] [2024-10-24 08:16:30,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:16:30,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 08:16:30,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:16:30,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 08:16:30,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-10-24 08:16:30,795 INFO L87 Difference]: Start difference. First operand 324 states and 509 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-24 08:16:33,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:16:33,696 INFO L93 Difference]: Finished difference Result 1016 states and 1573 transitions. [2024-10-24 08:16:33,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 08:16:33,697 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) Word has length 303 [2024-10-24 08:16:33,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:16:33,703 INFO L225 Difference]: With dead ends: 1016 [2024-10-24 08:16:33,703 INFO L226 Difference]: Without dead ends: 693 [2024-10-24 08:16:33,704 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=132, Invalid=374, Unknown=0, NotChecked=0, Total=506 [2024-10-24 08:16:33,705 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 628 mSDsluCounter, 1010 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 628 SdHoareTripleChecker+Valid, 1188 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 08:16:33,705 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [628 Valid, 1188 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 08:16:33,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2024-10-24 08:16:33,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 481. [2024-10-24 08:16:33,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 314 states have (on average 1.4203821656050954) internal successors, (446), 316 states have internal predecessors, (446), 158 states have call successors, (158), 8 states have call predecessors, (158), 8 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-10-24 08:16:33,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 762 transitions. [2024-10-24 08:16:33,752 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 762 transitions. Word has length 303 [2024-10-24 08:16:33,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:16:33,753 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 762 transitions. [2024-10-24 08:16:33,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-24 08:16:33,753 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 762 transitions. [2024-10-24 08:16:33,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-10-24 08:16:33,755 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:16:33,755 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:16:33,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 08:16:33,756 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:16:33,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:16:33,756 INFO L85 PathProgramCache]: Analyzing trace with hash -955990294, now seen corresponding path program 1 times [2024-10-24 08:16:33,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:16:33,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314981073] [2024-10-24 08:16:33,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:16:33,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:16:33,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:16:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:16:42,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:16:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:16:42,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:16:42,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:16:42,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:16:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:16:42,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:16:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:16:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:16:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:16:42,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:16:42,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:16:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:16:42,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:16:42,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:16:42,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:16:42,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 08:16:42,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:16:42,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 08:16:42,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:16:42,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 08:16:42,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 08:16:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 08:16:42,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 08:16:42,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 08:16:42,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 08:16:42,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 08:16:42,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 08:16:42,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 08:16:42,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 08:16:42,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 08:16:42,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 08:16:42,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 08:16:42,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 08:16:42,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 08:16:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 08:16:42,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 08:16:42,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 08:16:42,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 08:16:42,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 08:16:42,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 08:16:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 08:16:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 08:16:42,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 08:16:42,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-24 08:16:42,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-24 08:16:42,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-24 08:16:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-24 08:16:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:42,827 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-24 08:16:42,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:16:42,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314981073] [2024-10-24 08:16:42,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314981073] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:16:42,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:16:42,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 08:16:42,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463249852] [2024-10-24 08:16:42,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:16:42,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 08:16:42,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:16:42,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 08:16:42,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-24 08:16:42,834 INFO L87 Difference]: Start difference. First operand 481 states and 762 transitions. Second operand has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-24 08:16:43,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:16:43,256 INFO L93 Difference]: Finished difference Result 876 states and 1370 transitions. [2024-10-24 08:16:43,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 08:16:43,258 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 303 [2024-10-24 08:16:43,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:16:43,261 INFO L225 Difference]: With dead ends: 876 [2024-10-24 08:16:43,262 INFO L226 Difference]: Without dead ends: 553 [2024-10-24 08:16:43,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-10-24 08:16:43,264 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 164 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 704 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 08:16:43,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 704 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 08:16:43,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2024-10-24 08:16:43,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 344. [2024-10-24 08:16:43,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 229 states have (on average 1.4017467248908297) internal successors, (321), 231 states have internal predecessors, (321), 108 states have call successors, (108), 6 states have call predecessors, (108), 6 states have return successors, (108), 106 states have call predecessors, (108), 108 states have call successors, (108) [2024-10-24 08:16:43,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 537 transitions. [2024-10-24 08:16:43,339 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 537 transitions. Word has length 303 [2024-10-24 08:16:43,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:16:43,339 INFO L471 AbstractCegarLoop]: Abstraction has 344 states and 537 transitions. [2024-10-24 08:16:43,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-24 08:16:43,339 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 537 transitions. [2024-10-24 08:16:43,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-10-24 08:16:43,348 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:16:43,348 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:16:43,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 08:16:43,348 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:16:43,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:16:43,349 INFO L85 PathProgramCache]: Analyzing trace with hash 138101294, now seen corresponding path program 1 times [2024-10-24 08:16:43,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:16:43,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684986901] [2024-10-24 08:16:43,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:16:43,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:16:43,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:16:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:16:44,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:16:44,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:16:44,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:16:44,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:16:44,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:16:44,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:16:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:16:44,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:16:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:16:44,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:16:44,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:16:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:16:44,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:16:44,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:16:44,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:16:44,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:16:44,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 08:16:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:16:44,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 08:16:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:16:44,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 08:16:44,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 08:16:44,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 08:16:44,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 08:16:44,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 08:16:44,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 08:16:44,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 08:16:44,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 08:16:44,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 08:16:44,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 08:16:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 08:16:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 08:16:44,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 08:16:44,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 08:16:44,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 08:16:44,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 08:16:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 08:16:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 08:16:44,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 08:16:44,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 08:16:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 08:16:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 08:16:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 08:16:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 08:16:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-24 08:16:44,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-24 08:16:44,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-24 08:16:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-24 08:16:44,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:44,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-24 08:16:44,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:16:44,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684986901] [2024-10-24 08:16:44,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684986901] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:16:44,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:16:44,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 08:16:44,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248303331] [2024-10-24 08:16:44,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:16:44,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 08:16:44,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:16:44,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 08:16:44,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-24 08:16:44,385 INFO L87 Difference]: Start difference. First operand 344 states and 537 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-24 08:16:45,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:16:45,273 INFO L93 Difference]: Finished difference Result 1100 states and 1705 transitions. [2024-10-24 08:16:45,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 08:16:45,274 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 303 [2024-10-24 08:16:45,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:16:45,277 INFO L225 Difference]: With dead ends: 1100 [2024-10-24 08:16:45,277 INFO L226 Difference]: Without dead ends: 757 [2024-10-24 08:16:45,278 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-24 08:16:45,281 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 373 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 838 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 08:16:45,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 838 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 08:16:45,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2024-10-24 08:16:45,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 489. [2024-10-24 08:16:45,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 322 states have (on average 1.4161490683229814) internal successors, (456), 324 states have internal predecessors, (456), 158 states have call successors, (158), 8 states have call predecessors, (158), 8 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-10-24 08:16:45,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 772 transitions. [2024-10-24 08:16:45,338 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 772 transitions. Word has length 303 [2024-10-24 08:16:45,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:16:45,340 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 772 transitions. [2024-10-24 08:16:45,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-24 08:16:45,340 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 772 transitions. [2024-10-24 08:16:45,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-10-24 08:16:45,343 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:16:45,343 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:16:45,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 08:16:45,343 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:16:45,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:16:45,343 INFO L85 PathProgramCache]: Analyzing trace with hash -448704720, now seen corresponding path program 1 times [2024-10-24 08:16:45,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:16:45,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160809938] [2024-10-24 08:16:45,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:16:45,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:16:45,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:16:45,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:16:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:16:45,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:16:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:16:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:16:45,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:16:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:16:45,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:16:45,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:16:45,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:16:45,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:16:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:16:45,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:16:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:16:45,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:16:45,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:16:45,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:16:45,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 08:16:45,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:16:45,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 08:16:45,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:16:45,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 08:16:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 08:16:45,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 08:16:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 08:16:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 08:16:45,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 08:16:45,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 08:16:45,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 08:16:45,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 08:16:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 08:16:45,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 08:16:45,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 08:16:45,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 08:16:45,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 08:16:45,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 08:16:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 08:16:45,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 08:16:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 08:16:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 08:16:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 08:16:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 08:16:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 08:16:45,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 08:16:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 08:16:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-24 08:16:45,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-24 08:16:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-24 08:16:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-24 08:16:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:45,958 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-24 08:16:45,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:16:45,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160809938] [2024-10-24 08:16:45,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160809938] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:16:45,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:16:45,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 08:16:45,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11027583] [2024-10-24 08:16:45,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:16:45,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 08:16:45,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:16:45,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 08:16:45,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-24 08:16:45,960 INFO L87 Difference]: Start difference. First operand 489 states and 772 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-24 08:16:46,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:16:46,434 INFO L93 Difference]: Finished difference Result 930 states and 1451 transitions. [2024-10-24 08:16:46,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 08:16:46,435 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 303 [2024-10-24 08:16:46,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:16:46,438 INFO L225 Difference]: With dead ends: 930 [2024-10-24 08:16:46,438 INFO L226 Difference]: Without dead ends: 587 [2024-10-24 08:16:46,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-10-24 08:16:46,440 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 204 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 08:16:46,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 756 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 08:16:46,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2024-10-24 08:16:46,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 489. [2024-10-24 08:16:46,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 322 states have (on average 1.4161490683229814) internal successors, (456), 324 states have internal predecessors, (456), 158 states have call successors, (158), 8 states have call predecessors, (158), 8 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-10-24 08:16:46,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 772 transitions. [2024-10-24 08:16:46,494 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 772 transitions. Word has length 303 [2024-10-24 08:16:46,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:16:46,495 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 772 transitions. [2024-10-24 08:16:46,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-24 08:16:46,495 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 772 transitions. [2024-10-24 08:16:46,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-10-24 08:16:46,496 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:16:46,497 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:16:46,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 08:16:46,497 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:16:46,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:16:46,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1686984447, now seen corresponding path program 1 times [2024-10-24 08:16:46,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:16:46,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18945982] [2024-10-24 08:16:46,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:16:46,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:16:46,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:16:52,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:16:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:16:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:16:52,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:16:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:16:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:16:52,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:16:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:16:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:16:52,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:16:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:16:52,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:16:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:16:52,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:16:52,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:16:52,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:16:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:16:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 08:16:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:16:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 08:16:52,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:16:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 08:16:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 08:16:52,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 08:16:52,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 08:16:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 08:16:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 08:16:52,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 08:16:52,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 08:16:52,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 08:16:52,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 08:16:52,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 08:16:52,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 08:16:52,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 08:16:52,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 08:16:52,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 08:16:52,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 08:16:52,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 08:16:52,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 08:16:52,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 08:16:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 08:16:52,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 08:16:52,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 08:16:52,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 08:16:52,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 08:16:52,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-24 08:16:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:52,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-24 08:16:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:53,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-24 08:16:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:53,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-24 08:16:53,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:53,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-24 08:16:53,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:16:53,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18945982] [2024-10-24 08:16:53,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18945982] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:16:53,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:16:53,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-24 08:16:53,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595691566] [2024-10-24 08:16:53,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:16:53,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 08:16:53,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:16:53,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 08:16:53,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-10-24 08:16:53,027 INFO L87 Difference]: Start difference. First operand 489 states and 772 transitions. Second operand has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-24 08:16:54,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:16:54,794 INFO L93 Difference]: Finished difference Result 1068 states and 1650 transitions. [2024-10-24 08:16:54,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 08:16:54,794 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 304 [2024-10-24 08:16:54,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:16:54,798 INFO L225 Difference]: With dead ends: 1068 [2024-10-24 08:16:54,798 INFO L226 Difference]: Without dead ends: 725 [2024-10-24 08:16:54,799 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2024-10-24 08:16:54,800 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 376 mSDsluCounter, 816 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 1012 SdHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 08:16:54,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 1012 Invalid, 736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 08:16:54,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2024-10-24 08:16:54,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 515. [2024-10-24 08:16:54,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 348 states have (on average 1.4195402298850575) internal successors, (494), 350 states have internal predecessors, (494), 158 states have call successors, (158), 8 states have call predecessors, (158), 8 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-10-24 08:16:54,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 810 transitions. [2024-10-24 08:16:54,853 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 810 transitions. Word has length 304 [2024-10-24 08:16:54,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:16:54,854 INFO L471 AbstractCegarLoop]: Abstraction has 515 states and 810 transitions. [2024-10-24 08:16:54,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-24 08:16:54,854 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 810 transitions. [2024-10-24 08:16:54,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-10-24 08:16:54,855 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:16:54,855 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:16:54,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 08:16:54,856 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:16:54,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:16:54,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1006926077, now seen corresponding path program 1 times [2024-10-24 08:16:54,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:16:54,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188575705] [2024-10-24 08:16:54,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:16:54,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:16:54,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:16:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:16:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:16:59,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:16:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:16:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:16:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:16:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:16:59,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:16:59,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:16:59,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:16:59,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:16:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:16:59,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:16:59,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:16:59,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:16:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:16:59,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:16:59,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 08:16:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:16:59,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 08:16:59,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:16:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 08:16:59,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 08:16:59,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 08:16:59,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 08:16:59,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 08:16:59,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 08:16:59,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 08:16:59,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 08:16:59,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 08:16:59,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 08:16:59,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 08:16:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 08:16:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 08:16:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 08:16:59,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 08:16:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 08:16:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 08:16:59,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 08:16:59,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 08:16:59,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 08:16:59,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 08:16:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 08:16:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 08:16:59,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 08:16:59,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-24 08:16:59,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-24 08:16:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-24 08:16:59,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-24 08:16:59,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:16:59,755 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-24 08:16:59,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:16:59,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188575705] [2024-10-24 08:16:59,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188575705] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:16:59,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:16:59,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-24 08:16:59,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242949308] [2024-10-24 08:16:59,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:16:59,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 08:16:59,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:16:59,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 08:16:59,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-10-24 08:16:59,757 INFO L87 Difference]: Start difference. First operand 515 states and 810 transitions. Second operand has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-24 08:17:00,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:17:00,434 INFO L93 Difference]: Finished difference Result 1112 states and 1714 transitions. [2024-10-24 08:17:00,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 08:17:00,435 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 304 [2024-10-24 08:17:00,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:17:00,441 INFO L225 Difference]: With dead ends: 1112 [2024-10-24 08:17:00,442 INFO L226 Difference]: Without dead ends: 769 [2024-10-24 08:17:00,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-10-24 08:17:00,444 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 191 mSDsluCounter, 854 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 1035 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 08:17:00,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 1035 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 08:17:00,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2024-10-24 08:17:00,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 525. [2024-10-24 08:17:00,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 358 states have (on average 1.4301675977653632) internal successors, (512), 360 states have internal predecessors, (512), 158 states have call successors, (158), 8 states have call predecessors, (158), 8 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-10-24 08:17:00,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 828 transitions. [2024-10-24 08:17:00,508 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 828 transitions. Word has length 304 [2024-10-24 08:17:00,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:17:00,509 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 828 transitions. [2024-10-24 08:17:00,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-24 08:17:00,509 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 828 transitions. [2024-10-24 08:17:00,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-10-24 08:17:00,510 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:17:00,510 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:17:00,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 08:17:00,511 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:17:00,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:17:00,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1293957437, now seen corresponding path program 1 times [2024-10-24 08:17:00,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:17:00,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480477105] [2024-10-24 08:17:00,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:17:00,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:17:00,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:17:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:17:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:17:05,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:17:05,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:17:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:17:05,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:17:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:17:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:17:05,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:17:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:17:05,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:17:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:17:05,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:17:05,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:17:05,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:17:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:17:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:17:05,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 08:17:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:17:05,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 08:17:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:17:05,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 08:17:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 08:17:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 08:17:05,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 08:17:05,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 08:17:05,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 08:17:05,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 08:17:05,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 08:17:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 08:17:05,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 08:17:05,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 08:17:05,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 08:17:05,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 08:17:05,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 08:17:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 08:17:05,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 08:17:05,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 08:17:05,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 08:17:05,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 08:17:05,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 08:17:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 08:17:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 08:17:05,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 08:17:05,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 08:17:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-24 08:17:05,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-24 08:17:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-24 08:17:05,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-24 08:17:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:05,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-24 08:17:05,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:17:05,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480477105] [2024-10-24 08:17:05,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480477105] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:17:05,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:17:05,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 08:17:05,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373145011] [2024-10-24 08:17:05,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:17:05,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 08:17:05,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:17:05,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 08:17:05,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-10-24 08:17:05,939 INFO L87 Difference]: Start difference. First operand 525 states and 828 transitions. Second operand has 12 states, 11 states have (on average 5.181818181818182) internal successors, (57), 12 states have internal predecessors, (57), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-24 08:17:07,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:17:07,795 INFO L93 Difference]: Finished difference Result 1162 states and 1790 transitions. [2024-10-24 08:17:07,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 08:17:07,796 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.181818181818182) internal successors, (57), 12 states have internal predecessors, (57), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) Word has length 304 [2024-10-24 08:17:07,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:17:07,800 INFO L225 Difference]: With dead ends: 1162 [2024-10-24 08:17:07,800 INFO L226 Difference]: Without dead ends: 809 [2024-10-24 08:17:07,802 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 103 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=106, Invalid=314, Unknown=0, NotChecked=0, Total=420 [2024-10-24 08:17:07,802 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 419 mSDsluCounter, 1083 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 1279 SdHoareTripleChecker+Invalid, 947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 08:17:07,802 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 1279 Invalid, 947 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [203 Valid, 744 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 08:17:07,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2024-10-24 08:17:07,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 533. [2024-10-24 08:17:07,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 366 states have (on average 1.4316939890710383) internal successors, (524), 368 states have internal predecessors, (524), 158 states have call successors, (158), 8 states have call predecessors, (158), 8 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-10-24 08:17:07,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 840 transitions. [2024-10-24 08:17:07,862 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 840 transitions. Word has length 304 [2024-10-24 08:17:07,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:17:07,862 INFO L471 AbstractCegarLoop]: Abstraction has 533 states and 840 transitions. [2024-10-24 08:17:07,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.181818181818182) internal successors, (57), 12 states have internal predecessors, (57), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-24 08:17:07,863 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 840 transitions. [2024-10-24 08:17:07,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-10-24 08:17:07,864 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:17:07,864 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:17:07,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 08:17:07,864 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:17:07,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:17:07,865 INFO L85 PathProgramCache]: Analyzing trace with hash 613899067, now seen corresponding path program 1 times [2024-10-24 08:17:07,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:17:07,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880303739] [2024-10-24 08:17:07,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:17:07,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:17:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:17:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:17:13,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:17:13,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:17:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:17:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:17:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:17:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:17:13,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:17:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:17:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:17:13,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:17:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:17:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:17:13,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:17:13,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:17:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:17:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:17:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 08:17:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:17:13,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 08:17:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:17:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 08:17:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 08:17:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 08:17:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 08:17:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 08:17:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 08:17:13,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 08:17:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 08:17:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 08:17:13,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 08:17:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 08:17:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 08:17:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 08:17:13,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 08:17:13,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 08:17:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 08:17:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 08:17:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 08:17:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 08:17:13,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 08:17:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 08:17:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 08:17:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 08:17:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 08:17:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-24 08:17:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-24 08:17:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-24 08:17:13,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-24 08:17:13,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:13,704 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-24 08:17:13,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:17:13,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880303739] [2024-10-24 08:17:13,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880303739] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:17:13,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:17:13,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-24 08:17:13,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182358138] [2024-10-24 08:17:13,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:17:13,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 08:17:13,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:17:13,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 08:17:13,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-10-24 08:17:13,707 INFO L87 Difference]: Start difference. First operand 533 states and 840 transitions. Second operand has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-24 08:17:19,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:17:19,526 INFO L93 Difference]: Finished difference Result 1206 states and 1842 transitions. [2024-10-24 08:17:19,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-24 08:17:19,527 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 304 [2024-10-24 08:17:19,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:17:19,532 INFO L225 Difference]: With dead ends: 1206 [2024-10-24 08:17:19,532 INFO L226 Difference]: Without dead ends: 853 [2024-10-24 08:17:19,534 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=232, Invalid=824, Unknown=0, NotChecked=0, Total=1056 [2024-10-24 08:17:19,534 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 418 mSDsluCounter, 1138 mSDsCounter, 0 mSdLazyCounter, 1326 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 1330 SdHoareTripleChecker+Invalid, 1479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 1326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-10-24 08:17:19,534 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 1330 Invalid, 1479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 1326 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-10-24 08:17:19,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2024-10-24 08:17:19,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 531. [2024-10-24 08:17:19,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 364 states have (on average 1.4285714285714286) internal successors, (520), 366 states have internal predecessors, (520), 158 states have call successors, (158), 8 states have call predecessors, (158), 8 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-10-24 08:17:19,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 836 transitions. [2024-10-24 08:17:19,593 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 836 transitions. Word has length 304 [2024-10-24 08:17:19,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:17:19,593 INFO L471 AbstractCegarLoop]: Abstraction has 531 states and 836 transitions. [2024-10-24 08:17:19,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-24 08:17:19,593 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 836 transitions. [2024-10-24 08:17:19,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-10-24 08:17:19,595 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:17:19,595 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:17:19,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 08:17:19,595 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:17:19,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:17:19,595 INFO L85 PathProgramCache]: Analyzing trace with hash 707151423, now seen corresponding path program 1 times [2024-10-24 08:17:19,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:17:19,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531601026] [2024-10-24 08:17:19,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:17:19,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:17:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:17:20,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:17:20,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:17:20,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:17:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:17:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:17:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:17:20,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:17:20,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:17:20,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:17:20,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:17:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:17:20,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:17:20,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:17:20,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:17:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:17:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:17:20,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:17:20,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 08:17:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:17:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 08:17:20,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:17:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 08:17:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 08:17:20,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 08:17:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 08:17:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 08:17:20,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 08:17:20,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 08:17:20,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 08:17:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 08:17:20,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 08:17:20,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 08:17:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 08:17:20,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 08:17:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 08:17:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 08:17:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 08:17:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 08:17:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 08:17:20,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 08:17:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 08:17:20,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 08:17:20,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 08:17:20,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 08:17:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 08:17:20,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-24 08:17:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-24 08:17:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-24 08:17:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-24 08:17:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:20,344 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-24 08:17:20,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:17:20,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531601026] [2024-10-24 08:17:20,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531601026] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:17:20,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:17:20,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 08:17:20,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782398856] [2024-10-24 08:17:20,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:17:20,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 08:17:20,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:17:20,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 08:17:20,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-24 08:17:20,346 INFO L87 Difference]: Start difference. First operand 531 states and 836 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-24 08:17:21,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:17:21,114 INFO L93 Difference]: Finished difference Result 1064 states and 1644 transitions. [2024-10-24 08:17:21,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 08:17:21,115 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 304 [2024-10-24 08:17:21,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:17:21,119 INFO L225 Difference]: With dead ends: 1064 [2024-10-24 08:17:21,119 INFO L226 Difference]: Without dead ends: 695 [2024-10-24 08:17:21,120 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-10-24 08:17:21,120 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 291 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 825 SdHoareTripleChecker+Invalid, 691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 08:17:21,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 825 Invalid, 691 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 08:17:21,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2024-10-24 08:17:21,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 531. [2024-10-24 08:17:21,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 364 states have (on average 1.4285714285714286) internal successors, (520), 366 states have internal predecessors, (520), 158 states have call successors, (158), 8 states have call predecessors, (158), 8 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-10-24 08:17:21,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 836 transitions. [2024-10-24 08:17:21,209 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 836 transitions. Word has length 304 [2024-10-24 08:17:21,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:17:21,210 INFO L471 AbstractCegarLoop]: Abstraction has 531 states and 836 transitions. [2024-10-24 08:17:21,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-24 08:17:21,210 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 836 transitions. [2024-10-24 08:17:21,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-10-24 08:17:21,211 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:17:21,211 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:17:21,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 08:17:21,212 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:17:21,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:17:21,212 INFO L85 PathProgramCache]: Analyzing trace with hash 27093053, now seen corresponding path program 1 times [2024-10-24 08:17:21,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:17:21,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43989881] [2024-10-24 08:17:21,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:17:21,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:17:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:17:27,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:17:27,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:17:27,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:17:27,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:17:27,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:17:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:17:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:17:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:17:27,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:17:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:17:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:17:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:17:27,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:17:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:17:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:17:27,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:17:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 08:17:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 08:17:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 08:17:27,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 08:17:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 08:17:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 08:17:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 08:17:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 08:17:27,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 08:17:27,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 08:17:27,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 08:17:27,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 08:17:27,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 08:17:27,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 08:17:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 08:17:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 08:17:27,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 08:17:27,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 08:17:27,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 08:17:27,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 08:17:27,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-24 08:17:27,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 08:17:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-24 08:17:27,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 08:17:27,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-24 08:17:27,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 08:17:27,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-24 08:17:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 08:17:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 08:17:27,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-24 08:17:27,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-24 08:17:27,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-24 08:17:27,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-24 08:17:27,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:17:27,280 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-24 08:17:27,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:17:27,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43989881] [2024-10-24 08:17:27,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43989881] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:17:27,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:17:27,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 08:17:27,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578110498] [2024-10-24 08:17:27,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:17:27,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 08:17:27,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:17:27,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 08:17:27,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-24 08:17:27,282 INFO L87 Difference]: Start difference. First operand 531 states and 836 transitions. Second operand has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-24 08:17:33,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:17:33,422 INFO L93 Difference]: Finished difference Result 1064 states and 1640 transitions. [2024-10-24 08:17:33,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-24 08:17:33,423 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 304 [2024-10-24 08:17:33,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:17:33,427 INFO L225 Difference]: With dead ends: 1064 [2024-10-24 08:17:33,427 INFO L226 Difference]: Without dead ends: 711 [2024-10-24 08:17:33,428 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=176, Invalid=580, Unknown=0, NotChecked=0, Total=756 [2024-10-24 08:17:33,429 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 385 mSDsluCounter, 1065 mSDsCounter, 0 mSdLazyCounter, 1266 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 1254 SdHoareTripleChecker+Invalid, 1420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 1266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-10-24 08:17:33,429 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 1254 Invalid, 1420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 1266 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-10-24 08:17:33,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2024-10-24 08:17:33,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 525. [2024-10-24 08:17:33,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 358 states have (on average 1.4301675977653632) internal successors, (512), 360 states have internal predecessors, (512), 158 states have call successors, (158), 8 states have call predecessors, (158), 8 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-10-24 08:17:33,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 828 transitions. [2024-10-24 08:17:33,490 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 828 transitions. Word has length 304 [2024-10-24 08:17:33,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:17:33,491 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 828 transitions. [2024-10-24 08:17:33,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.75) internal successors, (57), 12 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-24 08:17:33,491 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 828 transitions. [2024-10-24 08:17:33,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-10-24 08:17:33,492 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:17:33,492 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:17:33,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 08:17:33,493 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:17:33,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:17:33,493 INFO L85 PathProgramCache]: Analyzing trace with hash 675867197, now seen corresponding path program 1 times [2024-10-24 08:17:33,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:17:33,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995216023] [2024-10-24 08:17:33,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:17:33,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:17:33,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat