./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../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 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-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.dk.perfect-tracechecks-8be7027-m [2024-11-12 04:10:54,695 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 04:10:54,781 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 04:10:54,797 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 04:10:54,799 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 04:10:54,830 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 04:10:54,831 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 04:10:54,832 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 04:10:54,833 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 04:10:54,834 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 04:10:54,835 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 04:10:54,835 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 04:10:54,836 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 04:10:54,838 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 04:10:54,839 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 04:10:54,839 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 04:10:54,839 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 04:10:54,839 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 04:10:54,840 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 04:10:54,840 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 04:10:54,840 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 04:10:54,841 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 04:10:54,844 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 04:10:54,844 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 04:10:54,845 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 04:10:54,845 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 04:10:54,845 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 04:10:54,845 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 04:10:54,845 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 04:10:54,846 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 04:10:54,846 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 04:10:54,846 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 04:10:54,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 04:10:54,846 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 04:10:54,847 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 04:10:54,847 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 04:10:54,847 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 04:10:54,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 04:10:54,849 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 04:10:54,849 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 04:10:54,850 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 04:10:54,850 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 04:10:54,851 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23a05992f4024df2d983a8fb4ad6ac19034ad7c6bce98692b4d6369898cca580 [2024-11-12 04:10:55,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 04:10:55,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 04:10:55,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 04:10:55,193 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 04:10:55,194 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 04:10:55,195 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-86.i [2024-11-12 04:10:56,714 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 04:10:56,945 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 04:10:56,945 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-86.i [2024-11-12 04:10:56,958 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bec928e4/a236b3cb44dd41bb8c13d58a00902ac9/FLAGe86673262 [2024-11-12 04:10:57,286 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bec928e4/a236b3cb44dd41bb8c13d58a00902ac9 [2024-11-12 04:10:57,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 04:10:57,291 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 04:10:57,292 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 04:10:57,292 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 04:10:57,300 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 04:10:57,301 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:10:57" (1/1) ... [2024-11-12 04:10:57,302 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69ffce0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:10:57, skipping insertion in model container [2024-11-12 04:10:57,302 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:10:57" (1/1) ... [2024-11-12 04:10:57,337 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 04:10:57,555 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-86.i[919,932] [2024-11-12 04:10:57,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 04:10:57,673 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 04:10:57,685 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-86.i[919,932] [2024-11-12 04:10:57,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 04:10:57,742 INFO L204 MainTranslator]: Completed translation [2024-11-12 04:10:57,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:10:57 WrapperNode [2024-11-12 04:10:57,743 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 04:10:57,745 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 04:10:57,745 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 04:10:57,745 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 04:10:57,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:10:57" (1/1) ... [2024-11-12 04:10:57,770 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:10:57" (1/1) ... [2024-11-12 04:10:57,826 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 248 [2024-11-12 04:10:57,827 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 04:10:57,828 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 04:10:57,828 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 04:10:57,828 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 04:10:57,839 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:10:57" (1/1) ... [2024-11-12 04:10:57,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:10:57" (1/1) ... [2024-11-12 04:10:57,845 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:10:57" (1/1) ... [2024-11-12 04:10:57,876 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 04:10:57,877 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:10:57" (1/1) ... [2024-11-12 04:10:57,877 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:10:57" (1/1) ... [2024-11-12 04:10:57,897 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:10:57" (1/1) ... [2024-11-12 04:10:57,904 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:10:57" (1/1) ... [2024-11-12 04:10:57,912 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:10:57" (1/1) ... [2024-11-12 04:10:57,919 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:10:57" (1/1) ... [2024-11-12 04:10:57,938 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 04:10:57,940 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 04:10:57,940 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 04:10:57,940 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 04:10:57,941 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:10:57" (1/1) ... [2024-11-12 04:10:57,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 04:10:57,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 04:10:57,984 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 04:10:57,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 04:10:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 04:10:58,045 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 04:10:58,046 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 04:10:58,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 04:10:58,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 04:10:58,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 04:10:58,154 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 04:10:58,156 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 04:10:58,793 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-12 04:10:58,794 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 04:10:58,816 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 04:10:58,816 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 04:10:58,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:10:58 BoogieIcfgContainer [2024-11-12 04:10:58,817 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 04:10:58,821 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 04:10:58,822 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 04:10:58,826 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 04:10:58,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 04:10:57" (1/3) ... [2024-11-12 04:10:58,827 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f75e061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:10:58, skipping insertion in model container [2024-11-12 04:10:58,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:10:57" (2/3) ... [2024-11-12 04:10:58,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f75e061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:10:58, skipping insertion in model container [2024-11-12 04:10:58,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:10:58" (3/3) ... [2024-11-12 04:10:58,829 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-cn_file-86.i [2024-11-12 04:10:58,845 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 04:10:58,845 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 04:10:58,920 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 04:10:58,927 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;@5084f661, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 04:10:58,928 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 04:10:58,933 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 70 states have (on average 1.4714285714285715) internal successors, (103), 71 states have internal predecessors, (103), 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) [2024-11-12 04:10:58,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-12 04:10:58,956 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:10:58,959 INFO L218 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, 1, 1] [2024-11-12 04:10:58,959 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:10:58,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:10:58,968 INFO L85 PathProgramCache]: Analyzing trace with hash 750140910, now seen corresponding path program 1 times [2024-11-12 04:10:58,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:10:58,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581735337] [2024-11-12 04:10:58,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:10:58,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:10:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:10:59,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:10:59,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:10:59,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:10:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:10:59,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:10:59,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:10:59,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:10:59,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:10:59,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:10:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:10:59,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:10:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:10:59,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:10:59,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:10:59,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:10:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:10:59,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:10:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:10:59,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:10:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:10:59,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:10:59,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:10:59,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:10:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:10:59,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:10:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:10:59,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:10:59,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:10:59,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 04:10:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:10:59,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:10:59,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:10:59,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 04:10:59,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:10:59,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:10:59,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:10:59,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 04:10:59,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:10:59,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:10:59,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:10:59,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 04:10:59,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:10:59,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:10:59,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:10:59,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 04:10:59,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:10:59,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:10:59,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:10:59,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 04:10:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:10:59,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:10:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:10:59,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 04:10:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:10:59,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 04:10:59,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:10:59,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 04:10:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:10:59,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 04:10:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:10:59,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-12 04:10:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:10:59,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-12 04:10:59,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:10:59,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581735337] [2024-11-12 04:10:59,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581735337] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:10:59,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:10:59,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 04:10:59,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707700589] [2024-11-12 04:10:59,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:10:59,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 04:10:59,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:10:59,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 04:10:59,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 04:10:59,622 INFO L87 Difference]: Start difference. First operand has 104 states, 70 states have (on average 1.4714285714285715) internal successors, (103), 71 states have internal predecessors, (103), 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 22.5) internal successors, (45), 2 states have internal predecessors, (45), 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) [2024-11-12 04:10:59,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:10:59,672 INFO L93 Difference]: Finished difference Result 201 states and 355 transitions. [2024-11-12 04:10:59,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 04:10:59,676 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 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 197 [2024-11-12 04:10:59,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:10:59,684 INFO L225 Difference]: With dead ends: 201 [2024-11-12 04:10:59,685 INFO L226 Difference]: Without dead ends: 100 [2024-11-12 04:10:59,690 INFO L434 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 [2024-11-12 04:10:59,697 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 04:10:59,699 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 04:10:59,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-12 04:10:59,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2024-11-12 04:10:59,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 67 states have (on average 1.4179104477611941) internal successors, (95), 67 states have internal predecessors, (95), 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) [2024-11-12 04:10:59,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 157 transitions. [2024-11-12 04:10:59,770 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 157 transitions. Word has length 197 [2024-11-12 04:10:59,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:10:59,771 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 157 transitions. [2024-11-12 04:10:59,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 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) [2024-11-12 04:10:59,771 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 157 transitions. [2024-11-12 04:10:59,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-12 04:10:59,778 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:10:59,779 INFO L218 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, 1, 1] [2024-11-12 04:10:59,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 04:10:59,780 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:10:59,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:10:59,781 INFO L85 PathProgramCache]: Analyzing trace with hash -263955024, now seen corresponding path program 1 times [2024-11-12 04:10:59,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:10:59,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481041838] [2024-11-12 04:10:59,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:10:59,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:10:59,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:00,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:11:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:00,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:11:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:00,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:11:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:00,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:11:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:00,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:11:00,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:00,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:11:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:00,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:11:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:00,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:11:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:00,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:11:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:00,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:11:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:00,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:11:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:00,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:11:00,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:00,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:11:00,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:00,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:11:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:00,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 04:11:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:00,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:11:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:00,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 04:11:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:00,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:11:00,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:00,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 04:11:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:00,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:11:00,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:00,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 04:11:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:00,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:11:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:00,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 04:11:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:00,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:11:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:00,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 04:11:00,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:00,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:11:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:00,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 04:11:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:00,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 04:11:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:00,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 04:11:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:00,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 04:11:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:00,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-12 04:11:00,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:00,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-12 04:11:00,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:11:00,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481041838] [2024-11-12 04:11:00,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481041838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:11:00,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:11:00,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 04:11:00,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262590517] [2024-11-12 04:11:00,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:11:00,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 04:11:00,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:11:00,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 04:11:00,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 04:11:00,267 INFO L87 Difference]: Start difference. First operand 100 states and 157 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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) [2024-11-12 04:11:00,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:11:00,351 INFO L93 Difference]: Finished difference Result 198 states and 313 transitions. [2024-11-12 04:11:00,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 04:11:00,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 197 [2024-11-12 04:11:00,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:11:00,359 INFO L225 Difference]: With dead ends: 198 [2024-11-12 04:11:00,359 INFO L226 Difference]: Without dead ends: 101 [2024-11-12 04:11:00,360 INFO L434 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 [2024-11-12 04:11:00,361 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 0 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 04:11:00,362 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 306 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 04:11:00,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-12 04:11:00,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-11-12 04:11:00,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 68 states have (on average 1.411764705882353) internal successors, (96), 68 states have internal predecessors, (96), 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) [2024-11-12 04:11:00,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 158 transitions. [2024-11-12 04:11:00,391 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 158 transitions. Word has length 197 [2024-11-12 04:11:00,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:11:00,395 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 158 transitions. [2024-11-12 04:11:00,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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) [2024-11-12 04:11:00,395 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 158 transitions. [2024-11-12 04:11:00,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-12 04:11:00,405 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:11:00,405 INFO L218 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, 1, 1] [2024-11-12 04:11:00,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 04:11:00,429 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:11:00,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:11:00,429 INFO L85 PathProgramCache]: Analyzing trace with hash 2036867566, now seen corresponding path program 1 times [2024-11-12 04:11:00,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:11:00,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050777499] [2024-11-12 04:11:00,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:11:00,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:11:00,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:06,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:11:06,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:06,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:11:06,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:06,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:11:06,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:06,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:11:06,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:06,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:11:06,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:06,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:11:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:06,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:11:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:06,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:11:06,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:06,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:11:06,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:06,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:11:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:06,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:11:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:06,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:11:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:06,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:11:06,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:06,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:11:06,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:06,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 04:11:06,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:06,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:11:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:06,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 04:11:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:06,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:11:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:06,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 04:11:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:06,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:11:06,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:06,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 04:11:06,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:06,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:11:06,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:06,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 04:11:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:06,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:11:06,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:06,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 04:11:06,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:06,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:11:06,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:06,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 04:11:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:06,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 04:11:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:06,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 04:11:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:06,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 04:11:06,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:06,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-12 04:11:06,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:06,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-12 04:11:06,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:11:06,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050777499] [2024-11-12 04:11:06,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050777499] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:11:06,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:11:06,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-12 04:11:06,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758713823] [2024-11-12 04:11:06,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:11:06,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 04:11:06,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:11:06,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 04:11:06,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-12 04:11:06,678 INFO L87 Difference]: Start difference. First operand 101 states and 158 transitions. Second operand has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 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) [2024-11-12 04:11:08,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:11:08,053 INFO L93 Difference]: Finished difference Result 383 states and 590 transitions. [2024-11-12 04:11:08,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-12 04:11:08,054 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 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 197 [2024-11-12 04:11:08,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:11:08,060 INFO L225 Difference]: With dead ends: 383 [2024-11-12 04:11:08,060 INFO L226 Difference]: Without dead ends: 285 [2024-11-12 04:11:08,062 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=166, Invalid=484, Unknown=0, NotChecked=0, Total=650 [2024-11-12 04:11:08,067 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 424 mSDsluCounter, 854 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 1000 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 04:11:08,068 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 1000 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 04:11:08,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-12 04:11:08,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 199. [2024-11-12 04:11:08,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 134 states have (on average 1.3955223880597014) internal successors, (187), 134 states have internal predecessors, (187), 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) [2024-11-12 04:11:08,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 311 transitions. [2024-11-12 04:11:08,121 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 311 transitions. Word has length 197 [2024-11-12 04:11:08,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:11:08,122 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 311 transitions. [2024-11-12 04:11:08,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 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) [2024-11-12 04:11:08,122 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 311 transitions. [2024-11-12 04:11:08,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-12 04:11:08,125 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:11:08,126 INFO L218 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, 1, 1] [2024-11-12 04:11:08,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 04:11:08,126 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:11:08,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:11:08,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1557035152, now seen corresponding path program 1 times [2024-11-12 04:11:08,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:11:08,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641403487] [2024-11-12 04:11:08,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:11:08,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:11:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:11:08,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:11:08,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:11:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:11:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:11:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:11:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:11:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:11:08,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:11:08,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:11:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:11:08,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:11:08,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:11:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:11:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 04:11:08,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:11:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 04:11:08,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:11:08,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 04:11:08,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:11:08,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 04:11:08,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:11:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 04:11:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:11:08,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 04:11:08,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:11:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 04:11:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 04:11:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 04:11:08,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 04:11:08,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-12 04:11:08,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-12 04:11:08,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:11:08,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641403487] [2024-11-12 04:11:08,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641403487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:11:08,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:11:08,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 04:11:08,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720133774] [2024-11-12 04:11:08,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:11:08,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 04:11:08,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:11:08,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 04:11:08,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 04:11:08,308 INFO L87 Difference]: Start difference. First operand 199 states and 311 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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) [2024-11-12 04:11:08,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:11:08,356 INFO L93 Difference]: Finished difference Result 394 states and 619 transitions. [2024-11-12 04:11:08,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 04:11:08,357 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 197 [2024-11-12 04:11:08,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:11:08,360 INFO L225 Difference]: With dead ends: 394 [2024-11-12 04:11:08,360 INFO L226 Difference]: Without dead ends: 296 [2024-11-12 04:11:08,363 INFO L434 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 [2024-11-12 04:11:08,365 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 148 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 04:11:08,367 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 314 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 04:11:08,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-11-12 04:11:08,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 294. [2024-11-12 04:11:08,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 197 states have (on average 1.3908629441624365) internal successors, (274), 197 states have internal predecessors, (274), 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) [2024-11-12 04:11:08,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 460 transitions. [2024-11-12 04:11:08,400 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 460 transitions. Word has length 197 [2024-11-12 04:11:08,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:11:08,401 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 460 transitions. [2024-11-12 04:11:08,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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) [2024-11-12 04:11:08,401 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 460 transitions. [2024-11-12 04:11:08,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-12 04:11:08,406 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:11:08,406 INFO L218 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, 1, 1] [2024-11-12 04:11:08,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 04:11:08,407 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:11:08,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:11:08,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1246982480, now seen corresponding path program 1 times [2024-11-12 04:11:08,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:11:08,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272056945] [2024-11-12 04:11:08,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:11:08,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:11:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:11:08,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:11:08,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:11:08,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:11:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:11:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:11:08,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:11:08,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:11:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:11:08,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:11:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:11:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:11:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:11:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:11:08,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 04:11:08,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:11:08,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 04:11:08,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:11:08,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 04:11:08,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:11:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 04:11:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:11:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 04:11:08,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:11:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 04:11:08,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:11:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 04:11:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 04:11:08,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 04:11:08,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 04:11:08,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-12 04:11:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:08,638 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-12 04:11:08,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:11:08,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272056945] [2024-11-12 04:11:08,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272056945] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:11:08,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:11:08,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 04:11:08,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556330223] [2024-11-12 04:11:08,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:11:08,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 04:11:08,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:11:08,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 04:11:08,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 04:11:08,641 INFO L87 Difference]: Start difference. First operand 294 states and 460 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 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) [2024-11-12 04:11:08,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:11:08,856 INFO L93 Difference]: Finished difference Result 510 states and 792 transitions. [2024-11-12 04:11:08,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 04:11:08,860 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 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 197 [2024-11-12 04:11:08,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:11:08,863 INFO L225 Difference]: With dead ends: 510 [2024-11-12 04:11:08,863 INFO L226 Difference]: Without dead ends: 314 [2024-11-12 04:11:08,864 INFO L434 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 [2024-11-12 04:11:08,865 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 149 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 04:11:08,865 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 535 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 04:11:08,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-11-12 04:11:08,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 292. [2024-11-12 04:11:08,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 195 states have (on average 1.3846153846153846) internal successors, (270), 195 states have internal predecessors, (270), 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) [2024-11-12 04:11:08,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 456 transitions. [2024-11-12 04:11:08,908 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 456 transitions. Word has length 197 [2024-11-12 04:11:08,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:11:08,909 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 456 transitions. [2024-11-12 04:11:08,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 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) [2024-11-12 04:11:08,910 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 456 transitions. [2024-11-12 04:11:08,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-12 04:11:08,912 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:11:08,912 INFO L218 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, 1, 1, 1] [2024-11-12 04:11:08,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 04:11:08,913 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:11:08,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:11:08,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1228112962, now seen corresponding path program 1 times [2024-11-12 04:11:08,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:11:08,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503271432] [2024-11-12 04:11:08,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:11:08,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:11:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:16,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:11:16,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:16,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:11:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:16,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:11:16,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:16,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:11:16,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:16,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:11:16,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:16,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:11:16,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:16,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:11:16,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:16,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:11:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:16,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:11:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:16,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:11:16,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:16,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:11:16,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:16,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:11:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:16,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:11:16,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:16,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:11:16,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:16,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 04:11:16,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:16,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:11:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:16,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 04:11:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:16,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:11:16,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:16,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 04:11:16,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:16,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:11:16,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:16,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 04:11:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:16,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:11:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:16,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 04:11:16,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:16,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:11:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:16,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 04:11:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:16,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:11:16,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:16,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 04:11:16,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:16,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 04:11:16,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:16,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 04:11:16,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:16,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 04:11:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:16,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-12 04:11:16,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:16,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-12 04:11:16,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:11:16,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503271432] [2024-11-12 04:11:16,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503271432] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:11:16,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:11:16,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-12 04:11:16,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453951878] [2024-11-12 04:11:16,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:11:16,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-12 04:11:16,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:11:16,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-12 04:11:16,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-11-12 04:11:16,217 INFO L87 Difference]: Start difference. First operand 292 states and 456 transitions. Second operand has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 15 states have internal predecessors, (46), 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) [2024-11-12 04:11:19,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:11:19,644 INFO L93 Difference]: Finished difference Result 342 states and 514 transitions. [2024-11-12 04:11:19,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-12 04:11:19,645 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 15 states have internal predecessors, (46), 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 198 [2024-11-12 04:11:19,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:11:19,650 INFO L225 Difference]: With dead ends: 342 [2024-11-12 04:11:19,650 INFO L226 Difference]: Without dead ends: 340 [2024-11-12 04:11:19,651 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=185, Invalid=571, Unknown=0, NotChecked=0, Total=756 [2024-11-12 04:11:19,654 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 335 mSDsluCounter, 902 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 1046 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-12 04:11:19,658 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 1046 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-12 04:11:19,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-12 04:11:19,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 293. [2024-11-12 04:11:19,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 196 states have (on average 1.3826530612244898) internal successors, (271), 196 states have internal predecessors, (271), 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) [2024-11-12 04:11:19,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 457 transitions. [2024-11-12 04:11:19,702 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 457 transitions. Word has length 198 [2024-11-12 04:11:19,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:11:19,703 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 457 transitions. [2024-11-12 04:11:19,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 15 states have internal predecessors, (46), 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) [2024-11-12 04:11:19,704 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 457 transitions. [2024-11-12 04:11:19,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-12 04:11:19,707 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:11:19,708 INFO L218 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, 1, 1, 1] [2024-11-12 04:11:19,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 04:11:19,708 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:11:19,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:11:19,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1440270376, now seen corresponding path program 1 times [2024-11-12 04:11:19,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:11:19,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131814183] [2024-11-12 04:11:19,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:11:19,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:11:19,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:19,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:11:19,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:19,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:11:19,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:19,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:11:19,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:19,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:11:19,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:19,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:11:19,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:19,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:11:19,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:19,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:11:19,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:19,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:11:19,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:19,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:11:19,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:19,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:11:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:19,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:11:19,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:19,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:11:19,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:19,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:11:19,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:19,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:11:19,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:19,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 04:11:19,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:19,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:11:19,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:19,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 04:11:19,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:19,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:11:19,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:19,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 04:11:19,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:19,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:11:19,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:19,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 04:11:19,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:19,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:11:19,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:19,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 04:11:19,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:19,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:11:19,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:19,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 04:11:19,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:19,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:11:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:19,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 04:11:19,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:19,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 04:11:19,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:19,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 04:11:19,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:19,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 04:11:19,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:19,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-12 04:11:19,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:19,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-12 04:11:19,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:11:19,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131814183] [2024-11-12 04:11:19,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131814183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:11:19,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:11:19,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 04:11:19,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385620194] [2024-11-12 04:11:19,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:11:19,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 04:11:19,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:11:19,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 04:11:19,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 04:11:19,968 INFO L87 Difference]: Start difference. First operand 293 states and 457 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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) [2024-11-12 04:11:19,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:11:19,997 INFO L93 Difference]: Finished difference Result 497 states and 776 transitions. [2024-11-12 04:11:19,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 04:11:19,998 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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 198 [2024-11-12 04:11:19,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:11:20,001 INFO L225 Difference]: With dead ends: 497 [2024-11-12 04:11:20,001 INFO L226 Difference]: Without dead ends: 301 [2024-11-12 04:11:20,002 INFO L434 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 [2024-11-12 04:11:20,005 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 6 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 04:11:20,005 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 305 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 04:11:20,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-11-12 04:11:20,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 293. [2024-11-12 04:11:20,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 196 states have (on average 1.3673469387755102) internal successors, (268), 196 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) [2024-11-12 04:11:20,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 454 transitions. [2024-11-12 04:11:20,031 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 454 transitions. Word has length 198 [2024-11-12 04:11:20,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:11:20,032 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 454 transitions. [2024-11-12 04:11:20,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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) [2024-11-12 04:11:20,033 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 454 transitions. [2024-11-12 04:11:20,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-12 04:11:20,034 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:11:20,035 INFO L218 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, 1, 1, 1] [2024-11-12 04:11:20,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 04:11:20,036 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:11:20,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:11:20,037 INFO L85 PathProgramCache]: Analyzing trace with hash 334736986, now seen corresponding path program 1 times [2024-11-12 04:11:20,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:11:20,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393100504] [2024-11-12 04:11:20,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:11:20,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:11:20,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:25,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:11:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:25,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:11:25,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:25,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:11:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:25,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:11:25,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:25,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:11:25,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:25,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:11:25,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:25,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:11:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:25,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:11:25,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:25,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:11:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:25,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:11:25,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:25,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:11:25,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:25,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:11:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:25,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:11:25,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:25,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:11:25,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:25,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 04:11:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:25,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:11:25,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:25,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 04:11:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:25,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:11:25,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:25,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 04:11:25,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:25,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:11:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:25,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 04:11:25,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:25,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:11:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:25,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 04:11:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:25,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:11:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:25,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 04:11:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:25,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:11:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:25,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 04:11:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:25,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 04:11:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:25,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 04:11:25,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:25,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 04:11:25,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:25,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-12 04:11:25,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:25,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-12 04:11:25,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:11:25,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393100504] [2024-11-12 04:11:25,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393100504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:11:25,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:11:25,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-12 04:11:25,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538117198] [2024-11-12 04:11:25,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:11:25,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 04:11:25,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:11:25,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 04:11:25,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2024-11-12 04:11:25,130 INFO L87 Difference]: Start difference. First operand 293 states and 454 transitions. Second operand has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 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) [2024-11-12 04:11:29,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:11:29,210 INFO L93 Difference]: Finished difference Result 347 states and 514 transitions. [2024-11-12 04:11:29,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-12 04:11:29,211 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 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 198 [2024-11-12 04:11:29,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:11:29,214 INFO L225 Difference]: With dead ends: 347 [2024-11-12 04:11:29,214 INFO L226 Difference]: Without dead ends: 345 [2024-11-12 04:11:29,219 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=276, Invalid=846, Unknown=0, NotChecked=0, Total=1122 [2024-11-12 04:11:29,220 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 278 mSDsluCounter, 1336 mSDsCounter, 0 mSdLazyCounter, 1006 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 1471 SdHoareTripleChecker+Invalid, 1106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 1006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-12 04:11:29,221 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 1471 Invalid, 1106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1006 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-12 04:11:29,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-12 04:11:29,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 293. [2024-11-12 04:11:29,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 196 states have (on average 1.3673469387755102) internal successors, (268), 196 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) [2024-11-12 04:11:29,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 454 transitions. [2024-11-12 04:11:29,254 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 454 transitions. Word has length 198 [2024-11-12 04:11:29,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:11:29,254 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 454 transitions. [2024-11-12 04:11:29,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 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) [2024-11-12 04:11:29,255 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 454 transitions. [2024-11-12 04:11:29,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-12 04:11:29,257 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:11:29,257 INFO L218 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, 1, 1, 1] [2024-11-12 04:11:29,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 04:11:29,257 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:11:29,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:11:29,258 INFO L85 PathProgramCache]: Analyzing trace with hash -109385737, now seen corresponding path program 1 times [2024-11-12 04:11:29,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:11:29,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543906440] [2024-11-12 04:11:29,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:11:29,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:11:29,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:36,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:11:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:36,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:11:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:36,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:11:36,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:36,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:11:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:36,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:11:36,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:36,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:11:36,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:36,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:11:36,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:36,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:11:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:36,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:11:36,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:36,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:11:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:36,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:11:36,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:36,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:11:36,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:36,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:11:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:36,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:11:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:36,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 04:11:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:36,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:11:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:36,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 04:11:36,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:36,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:11:36,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:36,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 04:11:36,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:36,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:11:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:36,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 04:11:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:36,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:11:36,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:36,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 04:11:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:36,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:11:36,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:36,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 04:11:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:36,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:11:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:36,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 04:11:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:36,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 04:11:36,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:36,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 04:11:36,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:36,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 04:11:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:36,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-12 04:11:36,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:36,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-12 04:11:36,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:11:36,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543906440] [2024-11-12 04:11:36,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543906440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:11:36,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:11:36,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-12 04:11:36,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394521740] [2024-11-12 04:11:36,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:11:36,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-12 04:11:36,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:11:36,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-12 04:11:36,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-11-12 04:11:36,882 INFO L87 Difference]: Start difference. First operand 293 states and 454 transitions. Second operand has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 15 states have internal predecessors, (46), 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) [2024-11-12 04:11:41,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:11:41,493 INFO L93 Difference]: Finished difference Result 363 states and 533 transitions. [2024-11-12 04:11:41,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-12 04:11:41,494 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 15 states have internal predecessors, (46), 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 198 [2024-11-12 04:11:41,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:11:41,497 INFO L225 Difference]: With dead ends: 363 [2024-11-12 04:11:41,497 INFO L226 Difference]: Without dead ends: 361 [2024-11-12 04:11:41,498 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=262, Invalid=668, Unknown=0, NotChecked=0, Total=930 [2024-11-12 04:11:41,498 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 383 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-12 04:11:41,499 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 844 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-12 04:11:41,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-11-12 04:11:41,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 303. [2024-11-12 04:11:41,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 206 states have (on average 1.3640776699029127) internal successors, (281), 206 states have internal predecessors, (281), 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) [2024-11-12 04:11:41,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 467 transitions. [2024-11-12 04:11:41,530 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 467 transitions. Word has length 198 [2024-11-12 04:11:41,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:11:41,531 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 467 transitions. [2024-11-12 04:11:41,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 15 states have internal predecessors, (46), 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) [2024-11-12 04:11:41,532 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 467 transitions. [2024-11-12 04:11:41,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-12 04:11:41,534 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:11:41,534 INFO L218 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, 1, 1, 1] [2024-11-12 04:11:41,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 04:11:41,534 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:11:41,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:11:41,535 INFO L85 PathProgramCache]: Analyzing trace with hash 570672633, now seen corresponding path program 1 times [2024-11-12 04:11:41,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:11:41,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570582296] [2024-11-12 04:11:41,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:11:41,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:11:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:47,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:11:47,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:47,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:11:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:47,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:11:47,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:47,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:11:47,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:47,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:11:47,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:47,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:11:47,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:47,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:11:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:47,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:11:47,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:47,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:11:47,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:47,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:11:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:47,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:11:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:47,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:11:47,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:47,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:11:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:47,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:11:47,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:47,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 04:11:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:47,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:11:47,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:47,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 04:11:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:47,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:11:47,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:47,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 04:11:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:47,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:11:47,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:47,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 04:11:47,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:47,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:11:47,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:47,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 04:11:47,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:47,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:11:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:47,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 04:11:47,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:47,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:11:47,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:47,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 04:11:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:47,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 04:11:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:47,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 04:11:47,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:47,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 04:11:47,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:47,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-12 04:11:47,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:47,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-12 04:11:47,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:11:47,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570582296] [2024-11-12 04:11:47,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570582296] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:11:47,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:11:47,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-12 04:11:47,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639667945] [2024-11-12 04:11:47,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:11:47,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 04:11:47,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:11:47,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 04:11:47,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2024-11-12 04:11:47,355 INFO L87 Difference]: Start difference. First operand 303 states and 467 transitions. Second operand has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 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) [2024-11-12 04:11:53,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:11:53,290 INFO L93 Difference]: Finished difference Result 357 states and 527 transitions. [2024-11-12 04:11:53,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-12 04:11:53,292 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 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 198 [2024-11-12 04:11:53,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:11:53,296 INFO L225 Difference]: With dead ends: 357 [2024-11-12 04:11:53,296 INFO L226 Difference]: Without dead ends: 355 [2024-11-12 04:11:53,297 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=281, Invalid=711, Unknown=0, NotChecked=0, Total=992 [2024-11-12 04:11:53,297 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 354 mSDsluCounter, 929 mSDsCounter, 0 mSdLazyCounter, 627 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 1072 SdHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-12 04:11:53,297 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 1072 Invalid, 755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 627 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-12 04:11:53,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-12 04:11:53,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 303. [2024-11-12 04:11:53,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 206 states have (on average 1.3640776699029127) internal successors, (281), 206 states have internal predecessors, (281), 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) [2024-11-12 04:11:53,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 467 transitions. [2024-11-12 04:11:53,324 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 467 transitions. Word has length 198 [2024-11-12 04:11:53,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:11:53,326 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 467 transitions. [2024-11-12 04:11:53,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 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) [2024-11-12 04:11:53,327 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 467 transitions. [2024-11-12 04:11:53,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-12 04:11:53,328 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:11:53,328 INFO L218 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, 1, 1, 1, 1] [2024-11-12 04:11:53,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 04:11:53,329 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:11:53,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:11:53,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1840413906, now seen corresponding path program 1 times [2024-11-12 04:11:53,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:11:53,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706457537] [2024-11-12 04:11:53,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:11:53,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:11:53,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:59,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:11:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:59,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:11:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:59,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:11:59,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:59,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:11:59,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:59,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:11:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:59,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:11:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:59,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:11:59,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:59,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:11:59,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:59,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:11:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:59,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:11:59,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:59,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:11:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:59,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:11:59,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:59,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:11:59,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:59,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:11:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:59,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 04:11:59,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:59,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:11:59,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:59,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 04:11:59,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:59,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:11:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:59,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 04:11:59,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:59,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:11:59,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:59,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 04:11:59,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:59,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:11:59,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:59,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 04:11:59,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:59,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:11:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:59,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 04:11:59,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:59,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:11:59,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:59,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 04:11:59,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:59,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 04:11:59,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:59,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 04:11:59,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:59,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 04:11:59,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:59,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-12 04:11:59,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:11:59,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-12 04:11:59,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:11:59,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706457537] [2024-11-12 04:11:59,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706457537] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:11:59,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:11:59,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-12 04:11:59,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455072163] [2024-11-12 04:11:59,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:11:59,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 04:11:59,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:11:59,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 04:11:59,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-12 04:11:59,357 INFO L87 Difference]: Start difference. First operand 303 states and 467 transitions. Second operand has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 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) [2024-11-12 04:12:02,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:12:02,347 INFO L93 Difference]: Finished difference Result 345 states and 513 transitions. [2024-11-12 04:12:02,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-12 04:12:02,348 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 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 199 [2024-11-12 04:12:02,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:12:02,353 INFO L225 Difference]: With dead ends: 345 [2024-11-12 04:12:02,353 INFO L226 Difference]: Without dead ends: 343 [2024-11-12 04:12:02,354 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=212, Invalid=658, Unknown=0, NotChecked=0, Total=870 [2024-11-12 04:12:02,356 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 399 mSDsluCounter, 772 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-12 04:12:02,356 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 917 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-12 04:12:02,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-12 04:12:02,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 300. [2024-11-12 04:12:02,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 203 states have (on average 1.3645320197044335) internal successors, (277), 203 states have internal predecessors, (277), 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) [2024-11-12 04:12:02,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 463 transitions. [2024-11-12 04:12:02,380 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 463 transitions. Word has length 199 [2024-11-12 04:12:02,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:12:02,380 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 463 transitions. [2024-11-12 04:12:02,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 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) [2024-11-12 04:12:02,381 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 463 transitions. [2024-11-12 04:12:02,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-12 04:12:02,382 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:12:02,382 INFO L218 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, 1, 1, 1, 1] [2024-11-12 04:12:02,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 04:12:02,383 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:12:02,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:12:02,383 INFO L85 PathProgramCache]: Analyzing trace with hash 959358423, now seen corresponding path program 1 times [2024-11-12 04:12:02,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:12:02,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516807744] [2024-11-12 04:12:02,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:12:02,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:12:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:12:10,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:12:10,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:12:10,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:12:10,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:12:10,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:12:10,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:12:10,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:12:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:12:10,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:12:10,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:12:10,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:12:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:12:10,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:12:10,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:12:10,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:12:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:12:10,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:12:10,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:12:10,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:12:10,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:12:10,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:12:10,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:12:10,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:12:10,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:12:10,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:12:10,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:12:10,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:12:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:12:10,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 04:12:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:12:10,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:12:10,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:12:10,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 04:12:10,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:12:10,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:12:10,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:12:10,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 04:12:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:12:10,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:12:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:12:10,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 04:12:10,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:12:10,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:12:10,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:12:10,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 04:12:10,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:12:10,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:12:10,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:12:10,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 04:12:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:12:10,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:12:10,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:12:10,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 04:12:10,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:12:10,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 04:12:10,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:12:10,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 04:12:10,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:12:10,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 04:12:10,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:12:10,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-12 04:12:10,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:12:10,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-12 04:12:10,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:12:10,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516807744] [2024-11-12 04:12:10,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516807744] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:12:10,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:12:10,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-12 04:12:10,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324354661] [2024-11-12 04:12:10,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:12:10,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 04:12:10,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:12:10,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 04:12:10,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2024-11-12 04:12:10,660 INFO L87 Difference]: Start difference. First operand 300 states and 463 transitions. Second operand has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 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)