./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-86.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-86.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 23a05992f4024df2d983a8fb4ad6ac19034ad7c6bce98692b4d6369898cca580 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 10:25:56,909 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 10:25:56,990 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 10:25:56,994 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 10:25:56,995 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 10:25:57,026 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 10:25:57,026 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 10:25:57,027 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 10:25:57,029 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 10:25:57,029 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 10:25:57,030 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 10:25:57,031 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 10:25:57,031 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 10:25:57,032 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 10:25:57,034 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 10:25:57,035 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 10:25:57,035 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 10:25:57,035 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 10:25:57,035 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 10:25:57,036 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 10:25:57,036 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 10:25:57,040 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 10:25:57,040 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 10:25:57,041 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 10:25:57,041 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 10:25:57,041 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 10:25:57,041 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 10:25:57,041 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 10:25:57,042 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 10:25:57,042 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 10:25:57,042 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 10:25:57,042 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 10:25:57,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 10:25:57,043 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 10:25:57,043 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 10:25:57,043 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 10:25:57,045 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 10:25:57,045 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 10:25:57,045 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 10:25:57,045 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 10:25:57,046 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 10:25:57,046 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 10:25:57,046 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23a05992f4024df2d983a8fb4ad6ac19034ad7c6bce98692b4d6369898cca580 [2024-10-14 10:25:57,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 10:25:57,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 10:25:57,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 10:25:57,343 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 10:25:57,344 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 10:25:57,345 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-86.i [2024-10-14 10:25:58,833 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 10:25:59,059 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 10:25:59,060 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-86.i [2024-10-14 10:25:59,070 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9056d15ba/8375e403d85b42438cd6d76977b9af04/FLAG64c8dfc78 [2024-10-14 10:25:59,429 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9056d15ba/8375e403d85b42438cd6d76977b9af04 [2024-10-14 10:25:59,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 10:25:59,433 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 10:25:59,434 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 10:25:59,434 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 10:25:59,439 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 10:25:59,440 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:25:59" (1/1) ... [2024-10-14 10:25:59,440 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fb38eda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:25:59, skipping insertion in model container [2024-10-14 10:25:59,440 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:25:59" (1/1) ... [2024-10-14 10:25:59,471 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 10:25:59,633 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-86.i[919,932] [2024-10-14 10:25:59,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 10:25:59,740 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 10:25:59,752 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-86.i[919,932] [2024-10-14 10:25:59,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 10:25:59,820 INFO L204 MainTranslator]: Completed translation [2024-10-14 10:25:59,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:25:59 WrapperNode [2024-10-14 10:25:59,821 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 10:25:59,822 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 10:25:59,822 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 10:25:59,822 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 10:25:59,829 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:25:59" (1/1) ... [2024-10-14 10:25:59,850 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:25:59" (1/1) ... [2024-10-14 10:25:59,892 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 248 [2024-10-14 10:25:59,892 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 10:25:59,893 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 10:25:59,893 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 10:25:59,893 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 10:25:59,908 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:25:59" (1/1) ... [2024-10-14 10:25:59,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:25:59" (1/1) ... [2024-10-14 10:25:59,913 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:25:59" (1/1) ... [2024-10-14 10:25:59,952 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 10:25:59,953 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:25:59" (1/1) ... [2024-10-14 10:25:59,953 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:25:59" (1/1) ... [2024-10-14 10:25:59,969 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:25:59" (1/1) ... [2024-10-14 10:25:59,976 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:25:59" (1/1) ... [2024-10-14 10:25:59,981 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:25:59" (1/1) ... [2024-10-14 10:25:59,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:25:59" (1/1) ... [2024-10-14 10:25:59,994 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 10:25:59,995 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 10:25:59,995 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 10:25:59,995 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 10:25:59,996 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:25:59" (1/1) ... [2024-10-14 10:26:00,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 10:26:00,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 10:26:00,031 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 10:26:00,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 10:26:00,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 10:26:00,087 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 10:26:00,087 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 10:26:00,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 10:26:00,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 10:26:00,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 10:26:00,194 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 10:26:00,196 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 10:26:00,720 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-10-14 10:26:00,720 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 10:26:00,765 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 10:26:00,766 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 10:26:00,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:26:00 BoogieIcfgContainer [2024-10-14 10:26:00,768 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 10:26:00,770 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 10:26:00,771 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 10:26:00,775 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 10:26:00,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:25:59" (1/3) ... [2024-10-14 10:26:00,776 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42215e7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:26:00, skipping insertion in model container [2024-10-14 10:26:00,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:25:59" (2/3) ... [2024-10-14 10:26:00,777 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42215e7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:26:00, skipping insertion in model container [2024-10-14 10:26:00,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:26:00" (3/3) ... [2024-10-14 10:26:00,780 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-cn_file-86.i [2024-10-14 10:26:00,806 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 10:26:00,806 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 10:26:00,875 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 10:26:00,882 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;@7d227315, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 10:26:00,882 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 10:26:00,887 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 64 states have (on average 1.515625) internal successors, (97), 65 states have internal predecessors, (97), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-14 10:26:00,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-14 10:26:00,903 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:26:00,904 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:26:00,904 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:26:00,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:26:00,910 INFO L85 PathProgramCache]: Analyzing trace with hash -919943482, now seen corresponding path program 1 times [2024-10-14 10:26:00,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:26:00,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885980915] [2024-10-14 10:26:00,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:26:00,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:26:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:01,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:26:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:01,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:26:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:01,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:26:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:01,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:26:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:01,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:26:01,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:01,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:26:01,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:01,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:26:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:01,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:26:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:01,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:26:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:01,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:26:01,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:01,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:26:01,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:01,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:26:01,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:01,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 10:26:01,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:01,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:26:01,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:01,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 10:26:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:01,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:26:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:01,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 10:26:01,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:01,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:26:01,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:01,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 10:26:01,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:01,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 10:26:01,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:01,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 10:26:01,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:01,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 10:26:01,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:01,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 10:26:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:01,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 10:26:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:01,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:26:01,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:01,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:26:01,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:01,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:26:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:01,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:26:01,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:01,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:26:01,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:01,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:26:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:01,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:26:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:01,505 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 10:26:01,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:26:01,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885980915] [2024-10-14 10:26:01,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885980915] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:26:01,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:26:01,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 10:26:01,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253160760] [2024-10-14 10:26:01,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:26:01,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 10:26:01,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:26:01,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 10:26:01,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 10:26:01,545 INFO L87 Difference]: Start difference. First operand has 98 states, 64 states have (on average 1.515625) internal successors, (97), 65 states have internal predecessors, (97), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-14 10:26:01,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:26:01,599 INFO L93 Difference]: Finished difference Result 193 states and 347 transitions. [2024-10-14 10:26:01,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 10:26:01,603 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 193 [2024-10-14 10:26:01,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:26:01,613 INFO L225 Difference]: With dead ends: 193 [2024-10-14 10:26:01,613 INFO L226 Difference]: Without dead ends: 96 [2024-10-14 10:26:01,618 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 10:26:01,622 INFO L432 NwaCegarLoop]: 150 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, 150 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 10:26:01,626 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 150 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 10:26:01,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-10-14 10:26:01,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-10-14 10:26:01,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 63 states have (on average 1.4444444444444444) internal successors, (91), 63 states have internal predecessors, (91), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-14 10:26:01,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 153 transitions. [2024-10-14 10:26:01,697 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 153 transitions. Word has length 193 [2024-10-14 10:26:01,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:26:01,698 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 153 transitions. [2024-10-14 10:26:01,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-14 10:26:01,698 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 153 transitions. [2024-10-14 10:26:01,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-14 10:26:01,703 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:26:01,703 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:26:01,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 10:26:01,704 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:26:01,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:26:01,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1264101060, now seen corresponding path program 1 times [2024-10-14 10:26:01,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:26:01,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937364165] [2024-10-14 10:26:01,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:26:01,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:26:01,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:02,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:26:02,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:02,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:26:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:02,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:26:02,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:02,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:26:02,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:02,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:26:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:02,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:26:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:02,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:26:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:02,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:26:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:02,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:26:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:02,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:26:02,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:02,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:26:02,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:02,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:26:02,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:02,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 10:26:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:02,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:26:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:02,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 10:26:02,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:02,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:26:02,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:02,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 10:26:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:02,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:26:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:02,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 10:26:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:02,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 10:26:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:02,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 10:26:02,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:02,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 10:26:02,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:02,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 10:26:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:02,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 10:26:02,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:02,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:26:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:02,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:26:02,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:02,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:26:02,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:02,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:26:02,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:02,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:26:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:02,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:26:02,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:02,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:26:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:02,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 10:26:02,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:26:02,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937364165] [2024-10-14 10:26:02,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937364165] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:26:02,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:26:02,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 10:26:02,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927359331] [2024-10-14 10:26:02,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:26:02,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 10:26:02,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:26:02,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 10:26:02,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 10:26:02,226 INFO L87 Difference]: Start difference. First operand 96 states and 153 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 10:26:02,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:26:02,284 INFO L93 Difference]: Finished difference Result 192 states and 307 transitions. [2024-10-14 10:26:02,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 10:26:02,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 193 [2024-10-14 10:26:02,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:26:02,288 INFO L225 Difference]: With dead ends: 192 [2024-10-14 10:26:02,288 INFO L226 Difference]: Without dead ends: 97 [2024-10-14 10:26:02,294 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 10:26:02,295 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 10:26:02,296 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 293 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 10:26:02,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-10-14 10:26:02,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-10-14 10:26:02,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 64 states have (on average 1.4375) internal successors, (92), 64 states have internal predecessors, (92), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-14 10:26:02,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 154 transitions. [2024-10-14 10:26:02,320 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 154 transitions. Word has length 193 [2024-10-14 10:26:02,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:26:02,324 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 154 transitions. [2024-10-14 10:26:02,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 10:26:02,325 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 154 transitions. [2024-10-14 10:26:02,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-14 10:26:02,331 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:26:02,331 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:26:02,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 10:26:02,331 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:26:02,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:26:02,332 INFO L85 PathProgramCache]: Analyzing trace with hash -324246842, now seen corresponding path program 1 times [2024-10-14 10:26:02,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:26:02,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199558000] [2024-10-14 10:26:02,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:26:02,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:26:02,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:11,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:26:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:11,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:26:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:11,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:26:11,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:11,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:26:11,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:11,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:26:11,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:11,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:26:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:11,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:26:11,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:11,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:26:11,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:11,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:26:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:11,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:26:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:11,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:26:11,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:11,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:26:11,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:11,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 10:26:11,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:11,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:26:11,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:11,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 10:26:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:11,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:26:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:11,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 10:26:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:11,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:26:11,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:11,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 10:26:11,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:11,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 10:26:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:11,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 10:26:11,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:11,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 10:26:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:11,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 10:26:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:11,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 10:26:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:11,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:26:11,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:11,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:26:11,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:11,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:26:11,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:11,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:26:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:11,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:26:11,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:11,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:26:11,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:11,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:26:11,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:11,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 10:26:11,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:26:11,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199558000] [2024-10-14 10:26:11,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199558000] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:26:11,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:26:11,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-14 10:26:11,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193655385] [2024-10-14 10:26:11,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:26:11,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-14 10:26:11,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:26:11,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-14 10:26:11,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-10-14 10:26:11,372 INFO L87 Difference]: Start difference. First operand 97 states and 154 transitions. Second operand has 14 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 14 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 10:26:14,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:26:14,757 INFO L93 Difference]: Finished difference Result 352 states and 547 transitions. [2024-10-14 10:26:14,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 10:26:14,757 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 14 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 193 [2024-10-14 10:26:14,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:26:14,762 INFO L225 Difference]: With dead ends: 352 [2024-10-14 10:26:14,762 INFO L226 Difference]: Without dead ends: 256 [2024-10-14 10:26:14,765 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=128, Invalid=424, Unknown=0, NotChecked=0, Total=552 [2024-10-14 10:26:14,766 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 373 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-14 10:26:14,766 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 903 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-14 10:26:14,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-10-14 10:26:14,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 190. [2024-10-14 10:26:14,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 125 states have (on average 1.416) internal successors, (177), 125 states have internal predecessors, (177), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-14 10:26:14,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 301 transitions. [2024-10-14 10:26:14,808 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 301 transitions. Word has length 193 [2024-10-14 10:26:14,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:26:14,808 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 301 transitions. [2024-10-14 10:26:14,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 14 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 10:26:14,810 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 301 transitions. [2024-10-14 10:26:14,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-14 10:26:14,815 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:26:14,815 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:26:14,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 10:26:14,816 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:26:14,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:26:14,817 INFO L85 PathProgramCache]: Analyzing trace with hash -717273852, now seen corresponding path program 1 times [2024-10-14 10:26:14,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:26:14,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691289352] [2024-10-14 10:26:14,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:26:14,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:26:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:14,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:26:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:14,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:26:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:14,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:26:14,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:14,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:26:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:14,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:26:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:14,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:26:14,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:14,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:26:14,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:14,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:26:14,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:14,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:26:14,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:14,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:26:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:14,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:26:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:14,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:26:14,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:14,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 10:26:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:14,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:26:14,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:14,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 10:26:14,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:14,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:26:14,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:14,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 10:26:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:14,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:26:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:14,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 10:26:14,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:14,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 10:26:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:14,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 10:26:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:14,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 10:26:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:14,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 10:26:14,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:14,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 10:26:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:14,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:26:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:14,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:26:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:14,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:26:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:14,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:26:14,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:14,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:26:14,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:14,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:26:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:14,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:26:14,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:14,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 10:26:14,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:26:14,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691289352] [2024-10-14 10:26:14,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691289352] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:26:14,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:26:14,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 10:26:14,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814623298] [2024-10-14 10:26:14,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:26:14,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 10:26:14,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:26:14,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 10:26:14,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 10:26:14,975 INFO L87 Difference]: Start difference. First operand 190 states and 301 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 10:26:15,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:26:15,021 INFO L93 Difference]: Finished difference Result 381 states and 605 transitions. [2024-10-14 10:26:15,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 10:26:15,022 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 193 [2024-10-14 10:26:15,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:26:15,025 INFO L225 Difference]: With dead ends: 381 [2024-10-14 10:26:15,025 INFO L226 Difference]: Without dead ends: 285 [2024-10-14 10:26:15,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 10:26:15,027 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 144 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 10:26:15,028 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 302 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 10:26:15,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-10-14 10:26:15,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 283. [2024-10-14 10:26:15,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 186 states have (on average 1.4086021505376345) internal successors, (262), 186 states have internal predecessors, (262), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-14 10:26:15,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 448 transitions. [2024-10-14 10:26:15,073 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 448 transitions. Word has length 193 [2024-10-14 10:26:15,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:26:15,074 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 448 transitions. [2024-10-14 10:26:15,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 10:26:15,075 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 448 transitions. [2024-10-14 10:26:15,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-14 10:26:15,077 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:26:15,078 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:26:15,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 10:26:15,078 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:26:15,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:26:15,078 INFO L85 PathProgramCache]: Analyzing trace with hash 262559172, now seen corresponding path program 1 times [2024-10-14 10:26:15,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:26:15,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009699799] [2024-10-14 10:26:15,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:26:15,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:26:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:15,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:26:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:15,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:26:15,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:15,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:26:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:15,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:26:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:15,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:26:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:15,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:26:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:15,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:26:15,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:15,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:26:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:15,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:26:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:15,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:26:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:15,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:26:15,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:15,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:26:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:15,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 10:26:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:15,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:26:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:15,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 10:26:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:15,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:26:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:15,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 10:26:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:15,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:26:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:15,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 10:26:15,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:15,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 10:26:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:15,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 10:26:15,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:15,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 10:26:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:15,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 10:26:15,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:15,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 10:26:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:15,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:26:15,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:15,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:26:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:15,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:26:15,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:15,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:26:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:15,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:26:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:15,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:26:15,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:15,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:26:15,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:15,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 10:26:15,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:26:15,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009699799] [2024-10-14 10:26:15,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009699799] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:26:15,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:26:15,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 10:26:15,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094975372] [2024-10-14 10:26:15,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:26:15,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 10:26:15,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:26:15,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 10:26:15,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 10:26:15,331 INFO L87 Difference]: Start difference. First operand 283 states and 448 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 10:26:15,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:26:15,540 INFO L93 Difference]: Finished difference Result 502 states and 790 transitions. [2024-10-14 10:26:15,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 10:26:15,543 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 193 [2024-10-14 10:26:15,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:26:15,548 INFO L225 Difference]: With dead ends: 502 [2024-10-14 10:26:15,548 INFO L226 Difference]: Without dead ends: 313 [2024-10-14 10:26:15,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 10:26:15,550 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 147 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 10:26:15,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 522 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 10:26:15,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-10-14 10:26:15,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 283. [2024-10-14 10:26:15,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 186 states have (on average 1.403225806451613) internal successors, (261), 186 states have internal predecessors, (261), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-14 10:26:15,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 447 transitions. [2024-10-14 10:26:15,592 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 447 transitions. Word has length 193 [2024-10-14 10:26:15,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:26:15,592 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 447 transitions. [2024-10-14 10:26:15,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 10:26:15,593 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 447 transitions. [2024-10-14 10:26:15,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-10-14 10:26:15,595 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:26:15,595 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:26:15,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 10:26:15,595 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:26:15,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:26:15,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1462675448, now seen corresponding path program 1 times [2024-10-14 10:26:15,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:26:15,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572204619] [2024-10-14 10:26:15,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:26:15,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:26:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:23,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:26:23,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:23,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:26:23,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:23,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:26:23,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:23,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:26:23,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:23,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:26:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:23,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:26:23,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:23,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:26:23,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:23,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:26:23,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:23,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:26:23,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:23,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:26:23,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:23,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:26:23,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:23,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:26:23,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:23,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 10:26:23,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:23,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:26:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:23,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 10:26:23,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:23,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:26:23,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:23,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 10:26:23,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:23,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:26:23,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:23,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 10:26:23,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:23,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 10:26:23,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:23,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 10:26:23,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:23,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 10:26:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:23,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 10:26:23,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:23,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 10:26:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:23,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:26:23,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:23,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:26:23,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:23,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:26:23,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:23,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:26:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:23,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:26:23,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:23,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:26:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:23,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:26:23,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:23,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 10:26:23,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:26:23,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572204619] [2024-10-14 10:26:23,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572204619] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:26:23,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:26:23,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-14 10:26:23,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044852043] [2024-10-14 10:26:23,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:26:23,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-14 10:26:23,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:26:23,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-14 10:26:23,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-10-14 10:26:23,302 INFO L87 Difference]: Start difference. First operand 283 states and 447 transitions. Second operand has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 10:26:26,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:26:26,791 INFO L93 Difference]: Finished difference Result 343 states and 523 transitions. [2024-10-14 10:26:26,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-14 10:26:26,793 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 194 [2024-10-14 10:26:26,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:26:26,795 INFO L225 Difference]: With dead ends: 343 [2024-10-14 10:26:26,795 INFO L226 Difference]: Without dead ends: 341 [2024-10-14 10:26:26,796 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=231, Invalid=639, Unknown=0, NotChecked=0, Total=870 [2024-10-14 10:26:26,799 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 332 mSDsluCounter, 699 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-14 10:26:26,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 833 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-14 10:26:26,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-10-14 10:26:26,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 284. [2024-10-14 10:26:26,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 187 states have (on average 1.4010695187165776) internal successors, (262), 187 states have internal predecessors, (262), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-14 10:26:26,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 448 transitions. [2024-10-14 10:26:26,833 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 448 transitions. Word has length 194 [2024-10-14 10:26:26,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:26:26,834 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 448 transitions. [2024-10-14 10:26:26,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 10:26:26,834 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 448 transitions. [2024-10-14 10:26:26,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-10-14 10:26:26,835 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:26:26,836 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:26:26,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 10:26:26,836 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:26:26,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:26:26,837 INFO L85 PathProgramCache]: Analyzing trace with hash 193048750, now seen corresponding path program 1 times [2024-10-14 10:26:26,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:26:26,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650812362] [2024-10-14 10:26:26,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:26:26,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:26:26,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:27,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:26:27,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:27,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:26:27,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:27,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:26:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:27,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:26:27,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:27,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:26:27,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:27,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:26:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:27,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:26:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:27,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:26:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:27,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:26:27,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:27,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:26:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:27,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:26:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:27,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:26:27,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:27,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 10:26:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:27,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:26:27,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:27,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 10:26:27,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:27,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:26:27,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:27,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 10:26:27,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:27,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:26:27,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:27,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 10:26:27,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:27,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 10:26:27,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:27,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 10:26:27,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:27,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 10:26:27,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:27,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 10:26:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:27,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 10:26:27,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:27,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:26:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:27,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:26:27,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:27,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:26:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:27,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:26:27,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:27,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:26:27,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:27,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:26:27,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:27,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:26:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:27,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 10:26:27,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:26:27,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650812362] [2024-10-14 10:26:27,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650812362] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:26:27,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:26:27,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 10:26:27,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76411471] [2024-10-14 10:26:27,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:26:27,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 10:26:27,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:26:27,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 10:26:27,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 10:26:27,105 INFO L87 Difference]: Start difference. First operand 284 states and 448 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 10:26:27,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:26:27,138 INFO L93 Difference]: Finished difference Result 484 states and 763 transitions. [2024-10-14 10:26:27,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 10:26:27,140 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 194 [2024-10-14 10:26:27,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:26:27,146 INFO L225 Difference]: With dead ends: 484 [2024-10-14 10:26:27,147 INFO L226 Difference]: Without dead ends: 292 [2024-10-14 10:26:27,148 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 10:26:27,148 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 6 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 10:26:27,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 434 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 10:26:27,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-10-14 10:26:27,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 284. [2024-10-14 10:26:27,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 187 states have (on average 1.3850267379679144) internal successors, (259), 187 states have internal predecessors, (259), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-14 10:26:27,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 445 transitions. [2024-10-14 10:26:27,180 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 445 transitions. Word has length 194 [2024-10-14 10:26:27,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:26:27,180 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 445 transitions. [2024-10-14 10:26:27,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 10:26:27,182 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 445 transitions. [2024-10-14 10:26:27,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-10-14 10:26:27,185 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:26:27,185 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:26:27,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 10:26:27,186 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:26:27,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:26:27,186 INFO L85 PathProgramCache]: Analyzing trace with hash 250307052, now seen corresponding path program 1 times [2024-10-14 10:26:27,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:26:27,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167177834] [2024-10-14 10:26:27,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:26:27,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:26:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:30,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:26:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:30,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:26:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:30,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:26:30,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:30,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:26:30,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:30,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:26:30,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:30,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:26:30,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:30,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:26:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:30,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:26:30,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:30,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:26:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:30,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:26:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:30,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:26:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:30,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:26:30,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:30,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 10:26:30,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:30,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:26:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:30,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 10:26:30,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:30,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:26:30,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:30,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 10:26:30,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:30,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:26:30,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:30,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 10:26:30,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:30,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 10:26:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:31,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 10:26:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:31,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 10:26:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:31,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 10:26:31,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:31,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 10:26:31,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:31,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:26:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:31,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:26:31,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:31,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:26:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:31,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:26:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:31,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:26:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:31,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:26:31,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:31,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:26:31,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:31,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 10:26:31,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:26:31,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167177834] [2024-10-14 10:26:31,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167177834] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:26:31,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:26:31,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-14 10:26:31,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365298547] [2024-10-14 10:26:31,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:26:31,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-14 10:26:31,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:26:31,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-14 10:26:31,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-10-14 10:26:31,037 INFO L87 Difference]: Start difference. First operand 284 states and 445 transitions. Second operand has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-14 10:26:32,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:26:32,496 INFO L93 Difference]: Finished difference Result 521 states and 799 transitions. [2024-10-14 10:26:32,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-14 10:26:32,498 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 194 [2024-10-14 10:26:32,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:26:32,501 INFO L225 Difference]: With dead ends: 521 [2024-10-14 10:26:32,501 INFO L226 Difference]: Without dead ends: 332 [2024-10-14 10:26:32,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=236, Invalid=694, Unknown=0, NotChecked=0, Total=930 [2024-10-14 10:26:32,503 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 407 mSDsluCounter, 878 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 1011 SdHoareTripleChecker+Invalid, 801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 10:26:32,503 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 1011 Invalid, 801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 10:26:32,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-10-14 10:26:32,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 285. [2024-10-14 10:26:32,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 188 states have (on average 1.3829787234042554) internal successors, (260), 188 states have internal predecessors, (260), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-14 10:26:32,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 446 transitions. [2024-10-14 10:26:32,544 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 446 transitions. Word has length 194 [2024-10-14 10:26:32,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:26:32,544 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 446 transitions. [2024-10-14 10:26:32,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-14 10:26:32,545 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 446 transitions. [2024-10-14 10:26:32,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-10-14 10:26:32,547 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:26:32,547 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:26:32,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 10:26:32,547 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:26:32,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:26:32,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1426587473, now seen corresponding path program 1 times [2024-10-14 10:26:32,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:26:32,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516759964] [2024-10-14 10:26:32,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:26:32,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:26:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:36,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:26:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:36,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:26:36,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:36,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:26:36,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:36,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:26:36,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:36,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:26:36,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:36,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:26:36,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:36,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:26:36,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:36,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:26:36,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:36,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:26:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:36,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:26:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:36,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:26:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:36,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:26:36,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:36,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 10:26:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:36,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:26:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:36,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 10:26:36,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:36,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:26:36,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:36,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 10:26:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:36,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:26:36,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:36,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 10:26:36,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:36,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 10:26:36,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:36,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 10:26:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:36,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 10:26:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:36,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 10:26:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:36,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 10:26:36,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:36,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:26:36,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:36,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:26:36,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:36,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:26:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:36,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:26:36,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:36,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:26:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:36,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:26:36,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:36,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:26:36,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:36,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 10:26:36,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:26:36,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516759964] [2024-10-14 10:26:36,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516759964] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:26:36,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:26:36,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-14 10:26:36,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270173309] [2024-10-14 10:26:36,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:26:36,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-14 10:26:36,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:26:36,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-14 10:26:36,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2024-10-14 10:26:36,986 INFO L87 Difference]: Start difference. First operand 285 states and 446 transitions. Second operand has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 10:26:39,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:26:39,139 INFO L93 Difference]: Finished difference Result 349 states and 519 transitions. [2024-10-14 10:26:39,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-14 10:26:39,139 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 194 [2024-10-14 10:26:39,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:26:39,142 INFO L225 Difference]: With dead ends: 349 [2024-10-14 10:26:39,142 INFO L226 Difference]: Without dead ends: 347 [2024-10-14 10:26:39,143 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=263, Invalid=667, Unknown=0, NotChecked=0, Total=930 [2024-10-14 10:26:39,144 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 364 mSDsluCounter, 725 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 864 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 10:26:39,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 864 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 10:26:39,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-10-14 10:26:39,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 294. [2024-10-14 10:26:39,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 197 states have (on average 1.380710659898477) internal successors, (272), 197 states have internal predecessors, (272), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-14 10:26:39,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 458 transitions. [2024-10-14 10:26:39,172 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 458 transitions. Word has length 194 [2024-10-14 10:26:39,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:26:39,172 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 458 transitions. [2024-10-14 10:26:39,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 10:26:39,173 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 458 transitions. [2024-10-14 10:26:39,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-10-14 10:26:39,175 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:26:39,175 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:26:39,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 10:26:39,175 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:26:39,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:26:39,176 INFO L85 PathProgramCache]: Analyzing trace with hash 2059033197, now seen corresponding path program 1 times [2024-10-14 10:26:39,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:26:39,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395577041] [2024-10-14 10:26:39,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:26:39,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:26:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:47,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:26:47,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:47,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:26:47,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:47,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:26:47,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:47,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:26:47,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:47,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:26:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:47,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:26:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:48,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:26:48,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:48,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:26:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:48,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:26:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:48,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:26:48,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:48,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:26:48,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:48,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:26:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:48,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 10:26:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:48,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:26:48,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:48,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 10:26:48,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:48,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:26:48,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:48,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 10:26:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:48,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:26:48,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:48,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 10:26:48,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:48,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 10:26:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:48,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 10:26:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:48,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 10:26:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:48,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 10:26:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:48,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 10:26:48,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:48,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:26:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:48,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:26:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:48,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:26:48,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:48,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:26:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:48,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:26:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:48,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:26:48,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:48,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:26:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:48,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 10:26:48,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:26:48,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395577041] [2024-10-14 10:26:48,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395577041] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:26:48,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:26:48,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-14 10:26:48,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236820001] [2024-10-14 10:26:48,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:26:48,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-14 10:26:48,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:26:48,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-14 10:26:48,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-10-14 10:26:48,089 INFO L87 Difference]: Start difference. First operand 294 states and 458 transitions. Second operand has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 10:26:54,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:26:54,938 INFO L93 Difference]: Finished difference Result 343 states and 513 transitions. [2024-10-14 10:26:54,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 10:26:54,939 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 194 [2024-10-14 10:26:54,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:26:54,942 INFO L225 Difference]: With dead ends: 343 [2024-10-14 10:26:54,942 INFO L226 Difference]: Without dead ends: 341 [2024-10-14 10:26:54,943 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=178, Invalid=472, Unknown=0, NotChecked=0, Total=650 [2024-10-14 10:26:54,943 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 241 mSDsluCounter, 833 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 971 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-14 10:26:54,944 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 971 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-14 10:26:54,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-10-14 10:26:54,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 294. [2024-10-14 10:26:54,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 197 states have (on average 1.380710659898477) internal successors, (272), 197 states have internal predecessors, (272), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-14 10:26:54,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 458 transitions. [2024-10-14 10:26:54,968 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 458 transitions. Word has length 194 [2024-10-14 10:26:54,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:26:54,968 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 458 transitions. [2024-10-14 10:26:54,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 10:26:54,969 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 458 transitions. [2024-10-14 10:26:54,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-10-14 10:26:54,971 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:26:54,971 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:26:54,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 10:26:54,971 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:26:54,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:26:54,972 INFO L85 PathProgramCache]: Analyzing trace with hash -831373918, now seen corresponding path program 1 times [2024-10-14 10:26:54,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:26:54,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694376294] [2024-10-14 10:26:54,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:26:54,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:26:55,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:59,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:26:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:59,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:26:59,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:59,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:26:59,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:59,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:26:59,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:59,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:26:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:59,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:26:59,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:59,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:26:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:59,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:26:59,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:59,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:26:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:59,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:26:59,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:59,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:26:59,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:59,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:26:59,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:59,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 10:26:59,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:59,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:26:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:59,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 10:26:59,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:59,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:26:59,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:59,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 10:26:59,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:59,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:26:59,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:59,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 10:26:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:59,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 10:26:59,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:59,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 10:26:59,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:59,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 10:26:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:59,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 10:26:59,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:59,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 10:26:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:59,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:26:59,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:59,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:26:59,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:59,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:26:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:59,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:26:59,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:59,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:26:59,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:59,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:26:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:59,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:26:59,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:26:59,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 10:26:59,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:26:59,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694376294] [2024-10-14 10:26:59,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694376294] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:26:59,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:26:59,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-14 10:26:59,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957548444] [2024-10-14 10:26:59,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:26:59,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-14 10:26:59,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:26:59,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-14 10:26:59,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2024-10-14 10:26:59,306 INFO L87 Difference]: Start difference. First operand 294 states and 458 transitions. Second operand has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 10:27:01,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:27:01,201 INFO L93 Difference]: Finished difference Result 332 states and 500 transitions. [2024-10-14 10:27:01,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 10:27:01,202 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 195 [2024-10-14 10:27:01,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:27:01,205 INFO L225 Difference]: With dead ends: 332 [2024-10-14 10:27:01,205 INFO L226 Difference]: Without dead ends: 330 [2024-10-14 10:27:01,206 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=211, Invalid=545, Unknown=0, NotChecked=0, Total=756 [2024-10-14 10:27:01,206 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 305 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 669 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 10:27:01,207 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 669 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 10:27:01,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-10-14 10:27:01,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 291. [2024-10-14 10:27:01,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 194 states have (on average 1.3814432989690721) internal successors, (268), 194 states have internal predecessors, (268), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-14 10:27:01,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 454 transitions. [2024-10-14 10:27:01,240 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 454 transitions. Word has length 195 [2024-10-14 10:27:01,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:27:01,240 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 454 transitions. [2024-10-14 10:27:01,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-14 10:27:01,241 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 454 transitions. [2024-10-14 10:27:01,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-10-14 10:27:01,243 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:27:01,243 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:27:01,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 10:27:01,243 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:27:01,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:27:01,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1275437059, now seen corresponding path program 1 times [2024-10-14 10:27:01,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:27:01,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724222059] [2024-10-14 10:27:01,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:27:01,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:27:01,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:27:09,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 10:27:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:27:09,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 10:27:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:27:09,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 10:27:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:27:09,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 10:27:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:27:09,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 10:27:09,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:27:09,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 10:27:09,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:27:09,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 10:27:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:27:09,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 10:27:09,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:27:09,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 10:27:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:27:09,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 10:27:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:27:09,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 10:27:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:27:09,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 10:27:09,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:27:09,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 10:27:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:27:09,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 10:27:09,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:27:09,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 10:27:09,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:27:09,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 10:27:09,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:27:09,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 10:27:09,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:27:09,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 10:27:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:27:09,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 10:27:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:27:09,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 10:27:09,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:27:09,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 10:27:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:27:09,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 10:27:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:27:09,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 10:27:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:27:09,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 10:27:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:27:09,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 10:27:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:27:09,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 10:27:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:27:09,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 10:27:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:27:09,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 10:27:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:27:09,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 10:27:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:27:09,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 10:27:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:27:09,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-10-14 10:27:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 10:27:09,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-14 10:27:09,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 10:27:09,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724222059] [2024-10-14 10:27:09,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724222059] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 10:27:09,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 10:27:09,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-10-14 10:27:09,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783792747] [2024-10-14 10:27:09,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 10:27:09,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-14 10:27:09,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 10:27:09,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-14 10:27:09,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2024-10-14 10:27:09,139 INFO L87 Difference]: Start difference. First operand 291 states and 454 transitions. Second operand has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-10-14 10:27:15,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 10:27:15,745 INFO L93 Difference]: Finished difference Result 344 states and 514 transitions. [2024-10-14 10:27:15,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-14 10:27:15,746 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 195 [2024-10-14 10:27:15,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 10:27:15,749 INFO L225 Difference]: With dead ends: 344 [2024-10-14 10:27:15,749 INFO L226 Difference]: Without dead ends: 342 [2024-10-14 10:27:15,750 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=314, Invalid=742, Unknown=0, NotChecked=0, Total=1056 [2024-10-14 10:27:15,750 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 273 mSDsluCounter, 1079 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 1211 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-10-14 10:27:15,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 1211 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-14 10:27:15,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2024-10-14 10:27:15,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 296. [2024-10-14 10:27:15,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 199 states have (on average 1.3819095477386936) internal successors, (275), 199 states have internal predecessors, (275), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-14 10:27:15,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 461 transitions. [2024-10-14 10:27:15,773 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 461 transitions. Word has length 195 [2024-10-14 10:27:15,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 10:27:15,774 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 461 transitions. [2024-10-14 10:27:15,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-10-14 10:27:15,774 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 461 transitions. [2024-10-14 10:27:15,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-10-14 10:27:15,775 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 10:27:15,776 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 10:27:15,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 10:27:15,776 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 10:27:15,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 10:27:15,776 INFO L85 PathProgramCache]: Analyzing trace with hash 437485859, now seen corresponding path program 1 times [2024-10-14 10:27:15,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 10:27:15,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58656841] [2024-10-14 10:27:15,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 10:27:15,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 10:27:15,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat