./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-86.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_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 517783448a287c62461a35f1bc15cb8b62fca77248cd9526eca120bea485e50a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 06:10:19,766 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 06:10:19,842 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 06:10:19,846 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 06:10:19,849 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 06:10:19,882 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 06:10:19,884 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 06:10:19,884 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 06:10:19,885 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 06:10:19,886 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 06:10:19,888 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 06:10:19,888 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 06:10:19,889 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 06:10:19,889 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 06:10:19,890 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 06:10:19,890 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 06:10:19,890 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 06:10:19,891 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 06:10:19,891 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 06:10:19,895 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 06:10:19,895 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 06:10:19,896 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 06:10:19,896 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 06:10:19,897 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 06:10:19,897 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 06:10:19,897 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 06:10:19,897 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 06:10:19,898 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 06:10:19,898 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 06:10:19,898 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 06:10:19,899 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 06:10:19,899 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 06:10:19,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 06:10:19,899 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 06:10:19,900 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 06:10:19,900 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 06:10:19,900 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 06:10:19,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 06:10:19,901 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 06:10:19,901 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 06:10:19,901 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 06:10:19,903 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 06:10:19,903 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 517783448a287c62461a35f1bc15cb8b62fca77248cd9526eca120bea485e50a [2024-10-24 06:10:20,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 06:10:20,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 06:10:20,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 06:10:20,249 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 06:10:20,252 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 06:10:20,254 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-86.i [2024-10-24 06:10:22,078 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 06:10:22,302 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 06:10:22,307 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-86.i [2024-10-24 06:10:22,317 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e396be36a/77c917dd4ca946b2afc536b66037f7de/FLAG4acc850d7 [2024-10-24 06:10:22,333 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e396be36a/77c917dd4ca946b2afc536b66037f7de [2024-10-24 06:10:22,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 06:10:22,337 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 06:10:22,338 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 06:10:22,339 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 06:10:22,344 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 06:10:22,345 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:10:22" (1/1) ... [2024-10-24 06:10:22,348 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@534e7c4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:10:22, skipping insertion in model container [2024-10-24 06:10:22,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:10:22" (1/1) ... [2024-10-24 06:10:22,384 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 06:10:22,616 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-86.i[915,928] [2024-10-24 06:10:22,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 06:10:22,750 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 06:10:22,766 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-86.i[915,928] [2024-10-24 06:10:22,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 06:10:22,843 INFO L204 MainTranslator]: Completed translation [2024-10-24 06:10:22,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:10:22 WrapperNode [2024-10-24 06:10:22,844 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 06:10:22,845 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 06:10:22,846 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 06:10:22,846 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 06:10:22,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:10:22" (1/1) ... [2024-10-24 06:10:22,870 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:10:22" (1/1) ... [2024-10-24 06:10:22,977 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 183 [2024-10-24 06:10:22,978 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 06:10:22,978 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 06:10:22,978 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 06:10:22,979 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 06:10:22,988 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:10:22" (1/1) ... [2024-10-24 06:10:22,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:10:22" (1/1) ... [2024-10-24 06:10:22,990 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:10:22" (1/1) ... [2024-10-24 06:10:23,005 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 06:10:23,005 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:10:22" (1/1) ... [2024-10-24 06:10:23,005 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:10:22" (1/1) ... [2024-10-24 06:10:23,012 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:10:22" (1/1) ... [2024-10-24 06:10:23,015 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:10:22" (1/1) ... [2024-10-24 06:10:23,017 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:10:22" (1/1) ... [2024-10-24 06:10:23,018 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:10:22" (1/1) ... [2024-10-24 06:10:23,022 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 06:10:23,022 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 06:10:23,023 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 06:10:23,023 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 06:10:23,027 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:10:22" (1/1) ... [2024-10-24 06:10:23,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 06:10:23,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 06:10:23,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 06:10:23,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 06:10:23,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 06:10:23,142 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 06:10:23,143 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 06:10:23,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 06:10:23,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 06:10:23,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 06:10:23,250 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 06:10:23,252 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 06:10:23,574 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-10-24 06:10:23,575 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 06:10:23,625 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 06:10:23,626 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 06:10:23,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:10:23 BoogieIcfgContainer [2024-10-24 06:10:23,627 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 06:10:23,629 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 06:10:23,629 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 06:10:23,633 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 06:10:23,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 06:10:22" (1/3) ... [2024-10-24 06:10:23,634 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f24b402 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:10:23, skipping insertion in model container [2024-10-24 06:10:23,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:10:22" (2/3) ... [2024-10-24 06:10:23,635 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f24b402 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:10:23, skipping insertion in model container [2024-10-24 06:10:23,635 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:10:23" (3/3) ... [2024-10-24 06:10:23,636 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-86.i [2024-10-24 06:10:23,655 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 06:10:23,656 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 06:10:23,723 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 06:10:23,731 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;@6de0d8d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 06:10:23,731 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 06:10:23,736 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 40 states have (on average 1.4) internal successors, (56), 41 states have internal predecessors, (56), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-10-24 06:10:23,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-24 06:10:23,755 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:10:23,756 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:10:23,756 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:10:23,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:10:23,761 INFO L85 PathProgramCache]: Analyzing trace with hash -2023613340, now seen corresponding path program 1 times [2024-10-24 06:10:23,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:10:23,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250833457] [2024-10-24 06:10:23,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:10:23,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:10:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:24,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:10:24,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:24,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:10:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:24,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:10:24,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:24,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:10:24,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:24,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:10:24,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:24,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:10:24,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:24,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:10:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:24,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:10:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:24,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:10:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:24,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:10:24,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:24,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:10:24,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:24,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:10:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:24,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 06:10:24,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:24,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:10:24,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:24,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 06:10:24,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:24,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:10:24,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:24,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 06:10:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:24,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:10:24,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:24,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 06:10:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:24,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:10:24,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:24,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 06:10:24,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:24,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 06:10:24,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:24,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 06:10:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:24,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 06:10:24,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:24,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 06:10:24,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:24,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 06:10:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:24,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 06:10:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:24,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 06:10:24,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:24,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-10-24 06:10:24,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:10:24,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250833457] [2024-10-24 06:10:24,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250833457] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:10:24,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:10:24,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 06:10:24,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69225893] [2024-10-24 06:10:24,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:10:24,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 06:10:24,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:10:24,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 06:10:24,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 06:10:24,314 INFO L87 Difference]: Start difference. First operand has 71 states, 40 states have (on average 1.4) internal successors, (56), 41 states have internal predecessors, (56), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2024-10-24 06:10:24,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:10:24,366 INFO L93 Difference]: Finished difference Result 139 states and 250 transitions. [2024-10-24 06:10:24,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 06:10:24,373 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) Word has length 171 [2024-10-24 06:10:24,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:10:24,379 INFO L225 Difference]: With dead ends: 139 [2024-10-24 06:10:24,379 INFO L226 Difference]: Without dead ends: 69 [2024-10-24 06:10:24,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 06:10:24,387 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 06:10:24,389 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 06:10:24,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-10-24 06:10:24,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-10-24 06:10:24,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 39 states have internal predecessors, (51), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-10-24 06:10:24,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 107 transitions. [2024-10-24 06:10:24,448 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 107 transitions. Word has length 171 [2024-10-24 06:10:24,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:10:24,449 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 107 transitions. [2024-10-24 06:10:24,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2024-10-24 06:10:24,450 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 107 transitions. [2024-10-24 06:10:24,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-24 06:10:24,453 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:10:24,453 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:10:24,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 06:10:24,454 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:10:24,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:10:24,456 INFO L85 PathProgramCache]: Analyzing trace with hash 942448160, now seen corresponding path program 1 times [2024-10-24 06:10:24,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:10:24,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508440595] [2024-10-24 06:10:24,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:10:24,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:10:24,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:24,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:10:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:25,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:10:25,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:25,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:10:25,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:25,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:10:25,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:25,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:10:25,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:25,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:10:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:25,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:10:25,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:25,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:10:25,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:25,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:10:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:25,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:10:25,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:25,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:10:25,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:25,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:10:25,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:25,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 06:10:25,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:25,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:10:25,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:25,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 06:10:25,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:25,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:10:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:25,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 06:10:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:25,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:10:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:25,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 06:10:25,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:25,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:10:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:25,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 06:10:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:25,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 06:10:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:25,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 06:10:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:25,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 06:10:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:25,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 06:10:25,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:25,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 06:10:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:25,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 06:10:25,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:25,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 06:10:25,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:25,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-10-24 06:10:25,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:10:25,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508440595] [2024-10-24 06:10:25,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508440595] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:10:25,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:10:25,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 06:10:25,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613410607] [2024-10-24 06:10:25,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:10:25,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 06:10:25,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:10:25,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 06:10:25,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 06:10:25,160 INFO L87 Difference]: Start difference. First operand 69 states and 107 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-10-24 06:10:25,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:10:25,388 INFO L93 Difference]: Finished difference Result 206 states and 320 transitions. [2024-10-24 06:10:25,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 06:10:25,389 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 171 [2024-10-24 06:10:25,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:10:25,392 INFO L225 Difference]: With dead ends: 206 [2024-10-24 06:10:25,393 INFO L226 Difference]: Without dead ends: 138 [2024-10-24 06:10:25,394 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 06:10:25,396 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 74 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 06:10:25,397 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 344 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 06:10:25,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-10-24 06:10:25,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 119. [2024-10-24 06:10:25,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 60 states have (on average 1.2166666666666666) internal successors, (73), 60 states have internal predecessors, (73), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-10-24 06:10:25,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 185 transitions. [2024-10-24 06:10:25,416 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 185 transitions. Word has length 171 [2024-10-24 06:10:25,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:10:25,417 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 185 transitions. [2024-10-24 06:10:25,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-10-24 06:10:25,418 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 185 transitions. [2024-10-24 06:10:25,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-24 06:10:25,419 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:10:25,420 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:10:25,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 06:10:25,420 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:10:25,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:10:25,420 INFO L85 PathProgramCache]: Analyzing trace with hash 355642146, now seen corresponding path program 1 times [2024-10-24 06:10:25,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:10:25,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342279867] [2024-10-24 06:10:25,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:10:25,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:10:25,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:38,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:10:38,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:38,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:10:38,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:38,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:10:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:38,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:10:38,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:38,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:10:38,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:38,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:10:38,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:38,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:10:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:38,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:10:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:38,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:10:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:38,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:10:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:38,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:10:38,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:38,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:10:38,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:38,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 06:10:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:38,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:10:38,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:38,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 06:10:38,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:38,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:10:38,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:38,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 06:10:38,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:38,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:10:38,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:38,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 06:10:38,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:38,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:10:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:38,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 06:10:38,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:38,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 06:10:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:38,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 06:10:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:38,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 06:10:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:38,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 06:10:38,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:38,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 06:10:38,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:38,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 06:10:38,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:38,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 06:10:38,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:38,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-10-24 06:10:38,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:10:38,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342279867] [2024-10-24 06:10:38,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342279867] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:10:38,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:10:38,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-24 06:10:38,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034328231] [2024-10-24 06:10:38,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:10:38,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-24 06:10:38,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:10:38,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-24 06:10:38,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-10-24 06:10:38,302 INFO L87 Difference]: Start difference. First operand 119 states and 185 transitions. Second operand has 14 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 14 states have internal predecessors, (34), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-10-24 06:10:43,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:10:43,102 INFO L93 Difference]: Finished difference Result 249 states and 377 transitions. [2024-10-24 06:10:43,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-24 06:10:43,104 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 14 states have internal predecessors, (34), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 171 [2024-10-24 06:10:43,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:10:43,114 INFO L225 Difference]: With dead ends: 249 [2024-10-24 06:10:43,115 INFO L226 Difference]: Without dead ends: 181 [2024-10-24 06:10:43,119 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=204, Invalid=552, Unknown=0, NotChecked=0, Total=756 [2024-10-24 06:10:43,120 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 300 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-24 06:10:43,123 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 474 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-24 06:10:43,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-10-24 06:10:43,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 134. [2024-10-24 06:10:43,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 75 states have (on average 1.2533333333333334) internal successors, (94), 75 states have internal predecessors, (94), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-10-24 06:10:43,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 206 transitions. [2024-10-24 06:10:43,164 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 206 transitions. Word has length 171 [2024-10-24 06:10:43,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:10:43,165 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 206 transitions. [2024-10-24 06:10:43,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 14 states have internal predecessors, (34), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-10-24 06:10:43,166 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 206 transitions. [2024-10-24 06:10:43,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-24 06:10:43,169 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:10:43,169 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:10:43,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 06:10:43,170 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:10:43,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:10:43,171 INFO L85 PathProgramCache]: Analyzing trace with hash -37384864, now seen corresponding path program 1 times [2024-10-24 06:10:43,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:10:43,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311328512] [2024-10-24 06:10:43,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:10:43,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:10:43,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:43,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:10:43,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:43,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:10:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:43,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:10:43,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:43,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:10:43,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:43,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:10:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:43,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:10:43,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:43,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:10:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:43,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:10:43,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:43,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:10:43,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:43,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:10:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:43,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:10:43,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:43,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:10:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:43,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 06:10:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:43,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:10:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:43,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 06:10:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:43,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:10:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:43,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 06:10:43,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:43,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:10:43,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:43,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 06:10:43,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:43,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:10:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:43,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 06:10:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:43,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 06:10:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:43,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 06:10:43,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:43,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 06:10:43,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:43,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 06:10:43,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:43,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 06:10:43,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:43,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 06:10:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:43,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 06:10:43,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:43,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-10-24 06:10:43,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:10:43,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311328512] [2024-10-24 06:10:43,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311328512] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:10:43,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:10:43,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 06:10:43,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376169714] [2024-10-24 06:10:43,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:10:43,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 06:10:43,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:10:43,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 06:10:43,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 06:10:43,394 INFO L87 Difference]: Start difference. First operand 134 states and 206 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-10-24 06:10:43,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:10:43,485 INFO L93 Difference]: Finished difference Result 269 states and 416 transitions. [2024-10-24 06:10:43,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 06:10:43,486 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 171 [2024-10-24 06:10:43,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:10:43,494 INFO L225 Difference]: With dead ends: 269 [2024-10-24 06:10:43,494 INFO L226 Difference]: Without dead ends: 201 [2024-10-24 06:10:43,495 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 06:10:43,496 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 99 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 06:10:43,497 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 210 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 06:10:43,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-10-24 06:10:43,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 199. [2024-10-24 06:10:43,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 111 states have (on average 1.2432432432432432) internal successors, (138), 111 states have internal predecessors, (138), 84 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-10-24 06:10:43,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 306 transitions. [2024-10-24 06:10:43,522 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 306 transitions. Word has length 171 [2024-10-24 06:10:43,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:10:43,523 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 306 transitions. [2024-10-24 06:10:43,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-10-24 06:10:43,524 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 306 transitions. [2024-10-24 06:10:43,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-10-24 06:10:43,527 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:10:43,527 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:10:43,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 06:10:43,528 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:10:43,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:10:43,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1860866917, now seen corresponding path program 1 times [2024-10-24 06:10:43,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:10:43,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184436280] [2024-10-24 06:10:43,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:10:43,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:10:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:54,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:10:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:54,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:10:54,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:54,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:10:54,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:54,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:10:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:54,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:10:54,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:54,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:10:54,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:54,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:10:54,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:54,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:10:54,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:54,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:10:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:54,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:10:54,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:54,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:10:54,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:54,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:10:54,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:54,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 06:10:54,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:54,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:10:54,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:54,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 06:10:54,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:54,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:10:54,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:54,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 06:10:54,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:54,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:10:54,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:54,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 06:10:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:54,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:10:54,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:54,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 06:10:54,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:54,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 06:10:54,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:54,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 06:10:54,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:54,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 06:10:54,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:54,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 06:10:54,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:54,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 06:10:54,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:54,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 06:10:54,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:54,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 06:10:54,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:10:54,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-10-24 06:10:54,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:10:54,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184436280] [2024-10-24 06:10:54,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184436280] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:10:54,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:10:54,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-24 06:10:54,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095138745] [2024-10-24 06:10:54,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:10:54,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-24 06:10:54,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:10:54,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-24 06:10:54,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-10-24 06:10:54,775 INFO L87 Difference]: Start difference. First operand 199 states and 306 transitions. Second operand has 15 states, 15 states have (on average 2.3333333333333335) internal successors, (35), 15 states have internal predecessors, (35), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-10-24 06:11:00,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:11:00,843 INFO L93 Difference]: Finished difference Result 259 states and 382 transitions. [2024-10-24 06:11:00,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 06:11:00,844 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.3333333333333335) internal successors, (35), 15 states have internal predecessors, (35), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 172 [2024-10-24 06:11:00,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:11:00,847 INFO L225 Difference]: With dead ends: 259 [2024-10-24 06:11:00,847 INFO L226 Difference]: Without dead ends: 257 [2024-10-24 06:11:00,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=225, Invalid=645, Unknown=0, NotChecked=0, Total=870 [2024-10-24 06:11:00,848 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 311 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-24 06:11:00,849 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 522 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-24 06:11:00,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-10-24 06:11:00,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 200. [2024-10-24 06:11:00,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 112 states have (on average 1.2410714285714286) internal successors, (139), 112 states have internal predecessors, (139), 84 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-10-24 06:11:00,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 307 transitions. [2024-10-24 06:11:00,873 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 307 transitions. Word has length 172 [2024-10-24 06:11:00,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:11:00,874 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 307 transitions. [2024-10-24 06:11:00,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.3333333333333335) internal successors, (35), 15 states have internal predecessors, (35), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-10-24 06:11:00,874 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 307 transitions. [2024-10-24 06:11:00,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-10-24 06:11:00,876 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:11:00,876 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:11:00,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 06:11:00,877 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:11:00,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:11:00,877 INFO L85 PathProgramCache]: Analyzing trace with hash -147884417, now seen corresponding path program 1 times [2024-10-24 06:11:00,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:11:00,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184850020] [2024-10-24 06:11:00,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:11:00,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:11:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:05,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:11:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:05,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:11:05,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:05,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:11:05,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:05,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:11:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:05,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:11:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:05,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:11:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:05,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:11:05,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:05,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:11:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:05,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:11:05,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:05,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:11:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:05,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:11:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:05,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:11:05,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:05,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 06:11:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:05,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:11:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:05,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 06:11:05,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:05,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:11:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:05,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 06:11:05,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:05,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:11:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:05,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 06:11:05,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:05,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:11:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:05,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 06:11:05,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:05,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 06:11:05,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:05,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 06:11:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:05,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 06:11:05,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:05,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 06:11:05,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:05,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 06:11:05,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:05,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 06:11:05,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:05,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 06:11:05,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:05,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-10-24 06:11:05,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:11:05,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184850020] [2024-10-24 06:11:05,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184850020] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:11:05,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:11:05,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-24 06:11:05,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481530139] [2024-10-24 06:11:05,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:11:05,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-24 06:11:05,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:11:05,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-24 06:11:05,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-10-24 06:11:05,839 INFO L87 Difference]: Start difference. First operand 200 states and 307 transitions. Second operand has 15 states, 15 states have (on average 2.3333333333333335) internal successors, (35), 15 states have internal predecessors, (35), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-10-24 06:11:09,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:11:09,445 INFO L93 Difference]: Finished difference Result 390 states and 581 transitions. [2024-10-24 06:11:09,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-24 06:11:09,446 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.3333333333333335) internal successors, (35), 15 states have internal predecessors, (35), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 172 [2024-10-24 06:11:09,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:11:09,449 INFO L225 Difference]: With dead ends: 390 [2024-10-24 06:11:09,449 INFO L226 Difference]: Without dead ends: 257 [2024-10-24 06:11:09,450 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=243, Invalid=687, Unknown=0, NotChecked=0, Total=930 [2024-10-24 06:11:09,451 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 271 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-24 06:11:09,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 624 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-24 06:11:09,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-10-24 06:11:09,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 203. [2024-10-24 06:11:09,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 115 states have (on average 1.2434782608695651) internal successors, (143), 115 states have internal predecessors, (143), 84 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-10-24 06:11:09,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 311 transitions. [2024-10-24 06:11:09,482 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 311 transitions. Word has length 172 [2024-10-24 06:11:09,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:11:09,482 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 311 transitions. [2024-10-24 06:11:09,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.3333333333333335) internal successors, (35), 15 states have internal predecessors, (35), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-10-24 06:11:09,483 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 311 transitions. [2024-10-24 06:11:09,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-10-24 06:11:09,484 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:11:09,484 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:11:09,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 06:11:09,485 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:11:09,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:11:09,485 INFO L85 PathProgramCache]: Analyzing trace with hash -205142719, now seen corresponding path program 1 times [2024-10-24 06:11:09,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:11:09,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489623161] [2024-10-24 06:11:09,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:11:09,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:11:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:09,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:11:09,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:09,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:11:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:09,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:11:09,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:09,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:11:09,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:09,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:11:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:09,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:11:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:09,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:11:09,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:09,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:11:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:09,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:11:09,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:09,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:11:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:09,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:11:09,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:09,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:11:09,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:09,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 06:11:09,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:09,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:11:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:09,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 06:11:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:09,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:11:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:09,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 06:11:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:09,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:11:09,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:09,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 06:11:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:09,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:11:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:09,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 06:11:09,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:09,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 06:11:09,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:09,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 06:11:09,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:09,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 06:11:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:09,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 06:11:09,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:09,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 06:11:09,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:09,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 06:11:09,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:09,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 06:11:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:09,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-10-24 06:11:09,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:11:09,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489623161] [2024-10-24 06:11:09,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489623161] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:11:09,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:11:09,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 06:11:09,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183833929] [2024-10-24 06:11:09,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:11:09,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 06:11:09,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:11:09,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 06:11:09,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 06:11:09,655 INFO L87 Difference]: Start difference. First operand 203 states and 311 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-10-24 06:11:09,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:11:09,679 INFO L93 Difference]: Finished difference Result 346 states and 530 transitions. [2024-10-24 06:11:09,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 06:11:09,680 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 172 [2024-10-24 06:11:09,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:11:09,681 INFO L225 Difference]: With dead ends: 346 [2024-10-24 06:11:09,682 INFO L226 Difference]: Without dead ends: 210 [2024-10-24 06:11:09,682 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 06:11:09,683 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 6 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 06:11:09,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 296 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 06:11:09,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-10-24 06:11:09,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 201. [2024-10-24 06:11:09,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 113 states have (on average 1.2123893805309736) internal successors, (137), 113 states have internal predecessors, (137), 84 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-10-24 06:11:09,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 305 transitions. [2024-10-24 06:11:09,709 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 305 transitions. Word has length 172 [2024-10-24 06:11:09,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:11:09,710 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 305 transitions. [2024-10-24 06:11:09,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-10-24 06:11:09,711 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 305 transitions. [2024-10-24 06:11:09,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-10-24 06:11:09,713 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:11:09,713 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:11:09,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 06:11:09,713 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:11:09,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:11:09,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1824778942, now seen corresponding path program 1 times [2024-10-24 06:11:09,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:11:09,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582892729] [2024-10-24 06:11:09,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:11:09,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:11:09,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:15,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:11:15,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:15,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:11:15,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:15,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:11:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:15,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:11:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:15,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:11:15,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:15,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:11:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:15,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:11:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:15,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:11:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:15,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:11:15,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:15,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:11:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:15,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:11:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:15,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:11:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:15,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 06:11:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:15,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:11:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:15,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 06:11:15,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:15,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:11:15,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:15,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 06:11:15,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:15,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:11:15,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:15,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 06:11:15,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:15,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:11:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:16,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 06:11:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:16,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 06:11:16,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:16,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 06:11:16,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:16,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 06:11:16,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:16,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 06:11:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:16,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 06:11:16,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:16,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 06:11:16,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:16,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 06:11:16,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:16,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-10-24 06:11:16,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:11:16,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582892729] [2024-10-24 06:11:16,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582892729] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:11:16,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:11:16,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-10-24 06:11:16,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632784921] [2024-10-24 06:11:16,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:11:16,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-24 06:11:16,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:11:16,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-24 06:11:16,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2024-10-24 06:11:16,043 INFO L87 Difference]: Start difference. First operand 201 states and 305 transitions. Second operand has 17 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 17 states have internal predecessors, (35), 3 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-10-24 06:11:22,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:11:22,471 INFO L93 Difference]: Finished difference Result 265 states and 378 transitions. [2024-10-24 06:11:22,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-24 06:11:22,472 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 17 states have internal predecessors, (35), 3 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 172 [2024-10-24 06:11:22,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:11:22,475 INFO L225 Difference]: With dead ends: 265 [2024-10-24 06:11:22,475 INFO L226 Difference]: Without dead ends: 263 [2024-10-24 06:11:22,476 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=288, Invalid=768, Unknown=0, NotChecked=0, Total=1056 [2024-10-24 06:11:22,477 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 273 mSDsluCounter, 586 mSDsCounter, 0 mSdLazyCounter, 765 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-10-24 06:11:22,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 672 Invalid, 911 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 765 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-10-24 06:11:22,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2024-10-24 06:11:22,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 210. [2024-10-24 06:11:22,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 122 states have (on average 1.221311475409836) internal successors, (149), 122 states have internal predecessors, (149), 84 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-10-24 06:11:22,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 317 transitions. [2024-10-24 06:11:22,501 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 317 transitions. Word has length 172 [2024-10-24 06:11:22,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:11:22,503 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 317 transitions. [2024-10-24 06:11:22,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.0588235294117645) internal successors, (35), 17 states have internal predecessors, (35), 3 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2024-10-24 06:11:22,504 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 317 transitions. [2024-10-24 06:11:22,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-10-24 06:11:22,505 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:11:22,505 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:11:22,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 06:11:22,506 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:11:22,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:11:22,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1660841728, now seen corresponding path program 1 times [2024-10-24 06:11:22,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:11:22,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576901465] [2024-10-24 06:11:22,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:11:22,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:11:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:29,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:11:29,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:29,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:11:29,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:29,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:11:29,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:29,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:11:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:29,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:11:29,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:29,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:11:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:29,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:11:29,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:29,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:11:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:29,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:11:29,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:29,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:11:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:29,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:11:29,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:29,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:11:29,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:29,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 06:11:29,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:29,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:11:29,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:29,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 06:11:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:29,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:11:29,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:29,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 06:11:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:29,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:11:29,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:29,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 06:11:29,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:29,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:11:29,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:29,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 06:11:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:29,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 06:11:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:29,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 06:11:29,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:29,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 06:11:29,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:29,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 06:11:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:29,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 06:11:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:29,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 06:11:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:29,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 06:11:29,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:29,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-10-24 06:11:29,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:11:29,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576901465] [2024-10-24 06:11:29,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576901465] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:11:29,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:11:29,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-24 06:11:29,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253114585] [2024-10-24 06:11:29,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:11:29,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-24 06:11:29,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:11:29,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-24 06:11:29,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-10-24 06:11:29,441 INFO L87 Difference]: Start difference. First operand 210 states and 317 transitions. Second operand has 15 states, 15 states have (on average 2.3333333333333335) internal successors, (35), 15 states have internal predecessors, (35), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-10-24 06:11:35,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:11:35,518 INFO L93 Difference]: Finished difference Result 259 states and 372 transitions. [2024-10-24 06:11:35,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-24 06:11:35,519 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.3333333333333335) internal successors, (35), 15 states have internal predecessors, (35), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 172 [2024-10-24 06:11:35,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:11:35,521 INFO L225 Difference]: With dead ends: 259 [2024-10-24 06:11:35,521 INFO L226 Difference]: Without dead ends: 257 [2024-10-24 06:11:35,522 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=262, Invalid=608, Unknown=0, NotChecked=0, Total=870 [2024-10-24 06:11:35,523 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 216 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-24 06:11:35,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 498 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-24 06:11:35,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-10-24 06:11:35,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 210. [2024-10-24 06:11:35,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 122 states have (on average 1.221311475409836) internal successors, (149), 122 states have internal predecessors, (149), 84 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-10-24 06:11:35,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 317 transitions. [2024-10-24 06:11:35,539 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 317 transitions. Word has length 172 [2024-10-24 06:11:35,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:11:35,540 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 317 transitions. [2024-10-24 06:11:35,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.3333333333333335) internal successors, (35), 15 states have internal predecessors, (35), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-10-24 06:11:35,540 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 317 transitions. [2024-10-24 06:11:35,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-10-24 06:11:35,541 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:11:35,541 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:11:35,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 06:11:35,542 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:11:35,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:11:35,542 INFO L85 PathProgramCache]: Analyzing trace with hash -290321186, now seen corresponding path program 1 times [2024-10-24 06:11:35,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:11:35,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724456292] [2024-10-24 06:11:35,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:11:35,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:11:35,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:41,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:11:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:41,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:11:41,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:41,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:11:41,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:41,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:11:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:41,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:11:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:41,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:11:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:41,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:11:41,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:41,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:11:41,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:41,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:11:41,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:41,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:11:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:41,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:11:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:41,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:11:41,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:41,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 06:11:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:41,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:11:41,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:41,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 06:11:41,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:41,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:11:41,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:41,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 06:11:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:41,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:11:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:41,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 06:11:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:41,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:11:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:41,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 06:11:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:41,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 06:11:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:41,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 06:11:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:41,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 06:11:41,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:41,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 06:11:41,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:41,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 06:11:41,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:41,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 06:11:41,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:41,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 06:11:41,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:11:41,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-10-24 06:11:41,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:11:41,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724456292] [2024-10-24 06:11:41,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724456292] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:11:41,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:11:41,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-24 06:11:41,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730800104] [2024-10-24 06:11:41,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:11:41,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-24 06:11:41,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:11:41,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-24 06:11:41,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-10-24 06:11:41,467 INFO L87 Difference]: Start difference. First operand 210 states and 317 transitions. Second operand has 15 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-10-24 06:11:43,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:11:43,938 INFO L93 Difference]: Finished difference Result 248 states and 359 transitions. [2024-10-24 06:11:43,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 06:11:43,939 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 173 [2024-10-24 06:11:43,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:11:43,941 INFO L225 Difference]: With dead ends: 248 [2024-10-24 06:11:43,941 INFO L226 Difference]: Without dead ends: 246 [2024-10-24 06:11:43,941 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=195, Invalid=561, Unknown=0, NotChecked=0, Total=756 [2024-10-24 06:11:43,942 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 197 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-24 06:11:43,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 613 Invalid, 703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-24 06:11:43,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-10-24 06:11:43,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 207. [2024-10-24 06:11:43,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 119 states have (on average 1.218487394957983) internal successors, (145), 119 states have internal predecessors, (145), 84 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-10-24 06:11:43,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 313 transitions. [2024-10-24 06:11:43,957 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 313 transitions. Word has length 173 [2024-10-24 06:11:43,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:11:43,957 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 313 transitions. [2024-10-24 06:11:43,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-10-24 06:11:43,957 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 313 transitions. [2024-10-24 06:11:43,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-10-24 06:11:43,959 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:11:43,959 INFO L215 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:11:43,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 06:11:43,959 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:11:43,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:11:43,959 INFO L85 PathProgramCache]: Analyzing trace with hash -734384327, now seen corresponding path program 1 times [2024-10-24 06:11:43,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:11:43,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506288806] [2024-10-24 06:11:43,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:11:43,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:11:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat