./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-66.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-66.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 48c0e642396cb981ec97788bf4c6fd139bd12f99e5b4ac8264222e0d2b78e970 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 05:11:16,608 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 05:11:16,688 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 05:11:16,698 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 05:11:16,699 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 05:11:16,732 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 05:11:16,734 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 05:11:16,734 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 05:11:16,735 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 05:11:16,735 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 05:11:16,735 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 05:11:16,736 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 05:11:16,736 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 05:11:16,739 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 05:11:16,739 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 05:11:16,740 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 05:11:16,740 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 05:11:16,740 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 05:11:16,741 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 05:11:16,741 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 05:11:16,741 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 05:11:16,746 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 05:11:16,746 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 05:11:16,747 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 05:11:16,747 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 05:11:16,747 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 05:11:16,747 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 05:11:16,748 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 05:11:16,748 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 05:11:16,748 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 05:11:16,748 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 05:11:16,749 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 05:11:16,749 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 05:11:16,749 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 05:11:16,750 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 05:11:16,750 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 05:11:16,750 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 05:11:16,751 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 05:11:16,751 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 05:11:16,751 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 05:11:16,751 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 05:11:16,754 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 05:11:16,754 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48c0e642396cb981ec97788bf4c6fd139bd12f99e5b4ac8264222e0d2b78e970 [2024-11-20 05:11:17,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 05:11:17,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 05:11:17,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 05:11:17,078 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 05:11:17,079 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 05:11:17,080 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-66.i [2024-11-20 05:11:18,637 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 05:11:18,871 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 05:11:18,871 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-66.i [2024-11-20 05:11:18,884 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c74692ba/f965ce95b5774b20a3cd936373045620/FLAGf9e1638b2 [2024-11-20 05:11:19,215 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c74692ba/f965ce95b5774b20a3cd936373045620 [2024-11-20 05:11:19,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 05:11:19,220 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 05:11:19,222 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 05:11:19,222 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 05:11:19,229 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 05:11:19,230 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:11:19" (1/1) ... [2024-11-20 05:11:19,231 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78eb153d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:19, skipping insertion in model container [2024-11-20 05:11:19,234 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:11:19" (1/1) ... [2024-11-20 05:11:19,264 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 05:11:19,495 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-66.i[919,932] [2024-11-20 05:11:19,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 05:11:19,603 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 05:11:19,616 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-66.i[919,932] [2024-11-20 05:11:19,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 05:11:19,693 INFO L204 MainTranslator]: Completed translation [2024-11-20 05:11:19,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:19 WrapperNode [2024-11-20 05:11:19,693 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 05:11:19,694 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 05:11:19,694 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 05:11:19,695 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 05:11:19,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:19" (1/1) ... [2024-11-20 05:11:19,713 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:19" (1/1) ... [2024-11-20 05:11:19,754 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 180 [2024-11-20 05:11:19,755 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 05:11:19,756 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 05:11:19,756 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 05:11:19,756 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 05:11:19,768 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:19" (1/1) ... [2024-11-20 05:11:19,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:19" (1/1) ... [2024-11-20 05:11:19,771 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:19" (1/1) ... [2024-11-20 05:11:19,789 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-20 05:11:19,790 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:19" (1/1) ... [2024-11-20 05:11:19,790 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:19" (1/1) ... [2024-11-20 05:11:19,806 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:19" (1/1) ... [2024-11-20 05:11:19,817 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:19" (1/1) ... [2024-11-20 05:11:19,820 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:19" (1/1) ... [2024-11-20 05:11:19,823 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:19" (1/1) ... [2024-11-20 05:11:19,828 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 05:11:19,829 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 05:11:19,829 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 05:11:19,829 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 05:11:19,830 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:19" (1/1) ... [2024-11-20 05:11:19,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 05:11:19,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 05:11:19,883 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 05:11:19,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 05:11:19,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 05:11:19,935 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 05:11:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 05:11:19,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 05:11:19,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 05:11:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 05:11:20,022 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 05:11:20,027 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 05:11:20,474 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-20 05:11:20,475 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 05:11:20,496 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 05:11:20,496 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 05:11:20,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:11:20 BoogieIcfgContainer [2024-11-20 05:11:20,497 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 05:11:20,499 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 05:11:20,500 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 05:11:20,503 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 05:11:20,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:11:19" (1/3) ... [2024-11-20 05:11:20,505 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c15b176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:11:20, skipping insertion in model container [2024-11-20 05:11:20,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:19" (2/3) ... [2024-11-20 05:11:20,505 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c15b176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:11:20, skipping insertion in model container [2024-11-20 05:11:20,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:11:20" (3/3) ... [2024-11-20 05:11:20,507 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-66.i [2024-11-20 05:11:20,529 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 05:11:20,530 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 05:11:20,613 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 05:11:20,623 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;@2e60244, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 05:11:20,624 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 05:11:20,628 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 58 states have internal predecessors, (85), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-20 05:11:20,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-20 05:11:20,644 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:11:20,645 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:11:20,645 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:11:20,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:11:20,654 INFO L85 PathProgramCache]: Analyzing trace with hash 851425572, now seen corresponding path program 1 times [2024-11-20 05:11:20,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:11:20,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700944223] [2024-11-20 05:11:20,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:11:20,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:11:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:20,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:11:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:20,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:11:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:11:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:11:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:11:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:11:21,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:11:21,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:11:21,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:11:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:11:21,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:11:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:11:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:11:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:11:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:11:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:11:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:11:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:11:21,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:11:21,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:11:21,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:11:21,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 05:11:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,186 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-20 05:11:21,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:11:21,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700944223] [2024-11-20 05:11:21,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700944223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:11:21,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:11:21,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 05:11:21,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989349265] [2024-11-20 05:11:21,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:11:21,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 05:11:21,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:11:21,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 05:11:21,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 05:11:21,229 INFO L87 Difference]: Start difference. First operand has 82 states, 57 states have (on average 1.4912280701754386) internal successors, (85), 58 states have internal predecessors, (85), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-20 05:11:21,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:11:21,264 INFO L93 Difference]: Finished difference Result 157 states and 274 transitions. [2024-11-20 05:11:21,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 05:11:21,267 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 150 [2024-11-20 05:11:21,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:11:21,274 INFO L225 Difference]: With dead ends: 157 [2024-11-20 05:11:21,274 INFO L226 Difference]: Without dead ends: 78 [2024-11-20 05:11:21,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 05:11:21,280 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 05:11:21,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 05:11:21,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-20 05:11:21,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-20 05:11:21,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 54 states have (on average 1.4444444444444444) internal successors, (78), 54 states have internal predecessors, (78), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-20 05:11:21,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 122 transitions. [2024-11-20 05:11:21,331 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 122 transitions. Word has length 150 [2024-11-20 05:11:21,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:11:21,332 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 122 transitions. [2024-11-20 05:11:21,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-20 05:11:21,332 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 122 transitions. [2024-11-20 05:11:21,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-20 05:11:21,335 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:11:21,336 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:11:21,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 05:11:21,336 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:11:21,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:11:21,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1371466408, now seen corresponding path program 1 times [2024-11-20 05:11:21,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:11:21,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171871223] [2024-11-20 05:11:21,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:11:21,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:11:21,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:11:21,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:11:21,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:11:21,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:11:21,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:11:21,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:11:21,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:11:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:11:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:11:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:11:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:11:21,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:11:21,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:11:21,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:11:21,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:11:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:11:21,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:11:21,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:11:21,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:11:21,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:11:21,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:11:21,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 05:11:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:21,850 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-20 05:11:21,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:11:21,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171871223] [2024-11-20 05:11:21,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171871223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:11:21,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:11:21,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 05:11:21,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897351508] [2024-11-20 05:11:21,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:11:21,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 05:11:21,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:11:21,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 05:11:21,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 05:11:21,858 INFO L87 Difference]: Start difference. First operand 78 states and 122 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-20 05:11:22,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:11:22,088 INFO L93 Difference]: Finished difference Result 207 states and 325 transitions. [2024-11-20 05:11:22,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 05:11:22,091 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 150 [2024-11-20 05:11:22,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:11:22,097 INFO L225 Difference]: With dead ends: 207 [2024-11-20 05:11:22,097 INFO L226 Difference]: Without dead ends: 132 [2024-11-20 05:11:22,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 05:11:22,099 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 207 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 05:11:22,100 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 214 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 05:11:22,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-20 05:11:22,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 129. [2024-11-20 05:11:22,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 94 states have (on average 1.4680851063829787) internal successors, (138), 95 states have internal predecessors, (138), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-20 05:11:22,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 202 transitions. [2024-11-20 05:11:22,141 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 202 transitions. Word has length 150 [2024-11-20 05:11:22,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:11:22,142 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 202 transitions. [2024-11-20 05:11:22,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-20 05:11:22,143 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 202 transitions. [2024-11-20 05:11:22,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-20 05:11:22,145 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:11:22,145 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:11:22,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 05:11:22,146 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:11:22,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:11:22,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1794168234, now seen corresponding path program 1 times [2024-11-20 05:11:22,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:11:22,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559140014] [2024-11-20 05:11:22,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:11:22,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:11:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:22,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:11:22,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:22,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:11:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:22,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:11:22,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:22,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:11:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:22,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:11:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:22,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:11:22,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:22,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:11:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:22,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:11:22,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:22,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:11:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:22,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:11:22,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:22,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:11:22,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:22,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:11:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:22,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:11:22,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:22,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:11:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:22,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:11:22,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:22,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:11:22,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:22,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:11:22,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:22,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:11:22,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:22,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:11:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:22,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:11:22,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:22,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:11:22,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:22,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 05:11:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:22,732 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-20 05:11:22,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:11:22,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559140014] [2024-11-20 05:11:22,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559140014] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:11:22,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:11:22,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 05:11:22,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112720577] [2024-11-20 05:11:22,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:11:22,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 05:11:22,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:11:22,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 05:11:22,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 05:11:22,738 INFO L87 Difference]: Start difference. First operand 129 states and 202 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 05:11:22,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:11:22,943 INFO L93 Difference]: Finished difference Result 371 states and 593 transitions. [2024-11-20 05:11:22,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 05:11:22,944 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 150 [2024-11-20 05:11:22,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:11:22,951 INFO L225 Difference]: With dead ends: 371 [2024-11-20 05:11:22,951 INFO L226 Difference]: Without dead ends: 245 [2024-11-20 05:11:22,956 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 05:11:22,957 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 111 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 05:11:22,957 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 287 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 05:11:22,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2024-11-20 05:11:23,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 179. [2024-11-20 05:11:23,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 121 states have (on average 1.4049586776859504) internal successors, (170), 122 states have internal predecessors, (170), 54 states have call successors, (54), 3 states have call predecessors, (54), 3 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-20 05:11:23,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 278 transitions. [2024-11-20 05:11:23,004 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 278 transitions. Word has length 150 [2024-11-20 05:11:23,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:11:23,005 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 278 transitions. [2024-11-20 05:11:23,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 05:11:23,005 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 278 transitions. [2024-11-20 05:11:23,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-20 05:11:23,008 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:11:23,008 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:11:23,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 05:11:23,008 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:11:23,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:11:23,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1214684569, now seen corresponding path program 1 times [2024-11-20 05:11:23,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:11:23,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569831879] [2024-11-20 05:11:23,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:11:23,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:11:23,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:28,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:11:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:28,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:11:28,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:28,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:11:28,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:28,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:11:28,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:28,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:11:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:28,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:11:28,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:28,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:11:28,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:28,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:11:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:28,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:11:28,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:28,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:11:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:28,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:11:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:28,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:11:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:28,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:11:28,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:28,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:11:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:28,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:11:28,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:28,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:11:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:28,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:11:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:28,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:11:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:28,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:11:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:28,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:11:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:28,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:11:28,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:28,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 05:11:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:28,385 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-20 05:11:28,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:11:28,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569831879] [2024-11-20 05:11:28,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569831879] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:11:28,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:11:28,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-20 05:11:28,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522469041] [2024-11-20 05:11:28,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:11:28,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-20 05:11:28,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:11:28,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-20 05:11:28,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-11-20 05:11:28,388 INFO L87 Difference]: Start difference. First operand 179 states and 278 transitions. Second operand has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 05:11:31,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:11:31,280 INFO L93 Difference]: Finished difference Result 496 states and 739 transitions. [2024-11-20 05:11:31,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-20 05:11:31,282 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-11-20 05:11:31,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:11:31,285 INFO L225 Difference]: With dead ends: 496 [2024-11-20 05:11:31,285 INFO L226 Difference]: Without dead ends: 370 [2024-11-20 05:11:31,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=276, Invalid=654, Unknown=0, NotChecked=0, Total=930 [2024-11-20 05:11:31,288 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 467 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 742 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-20 05:11:31,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 742 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-20 05:11:31,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-20 05:11:31,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 268. [2024-11-20 05:11:31,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 199 states have (on average 1.4321608040201006) internal successors, (285), 202 states have internal predecessors, (285), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 59 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-20 05:11:31,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 409 transitions. [2024-11-20 05:11:31,317 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 409 transitions. Word has length 151 [2024-11-20 05:11:31,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:11:31,318 INFO L471 AbstractCegarLoop]: Abstraction has 268 states and 409 transitions. [2024-11-20 05:11:31,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 05:11:31,318 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 409 transitions. [2024-11-20 05:11:31,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-20 05:11:31,320 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:11:31,321 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:11:31,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 05:11:31,321 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:11:31,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:11:31,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1212837527, now seen corresponding path program 1 times [2024-11-20 05:11:31,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:11:31,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247098957] [2024-11-20 05:11:31,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:11:31,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:11:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:34,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:11:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:34,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:11:34,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:34,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:11:34,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:34,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:11:34,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:34,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:11:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:34,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:11:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:34,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:11:34,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:34,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:11:34,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:34,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:11:34,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:34,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:11:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:34,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:11:34,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:34,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:11:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:34,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:11:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:34,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:11:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:34,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:11:34,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:34,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:11:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:34,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:11:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:34,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:11:34,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:34,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:11:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:34,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:11:34,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:34,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:11:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:34,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 05:11:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:34,423 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-20 05:11:34,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:11:34,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247098957] [2024-11-20 05:11:34,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247098957] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:11:34,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:11:34,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-20 05:11:34,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327161957] [2024-11-20 05:11:34,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:11:34,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-20 05:11:34,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:11:34,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-20 05:11:34,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2024-11-20 05:11:34,428 INFO L87 Difference]: Start difference. First operand 268 states and 409 transitions. Second operand has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 05:11:35,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:11:35,482 INFO L93 Difference]: Finished difference Result 377 states and 537 transitions. [2024-11-20 05:11:35,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-20 05:11:35,483 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-11-20 05:11:35,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:11:35,486 INFO L225 Difference]: With dead ends: 377 [2024-11-20 05:11:35,486 INFO L226 Difference]: Without dead ends: 375 [2024-11-20 05:11:35,486 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=172, Invalid=334, Unknown=0, NotChecked=0, Total=506 [2024-11-20 05:11:35,491 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 421 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 665 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-20 05:11:35,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [421 Valid, 665 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-20 05:11:35,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2024-11-20 05:11:35,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 276. [2024-11-20 05:11:35,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 205 states have (on average 1.4195121951219511) internal successors, (291), 208 states have internal predecessors, (291), 62 states have call successors, (62), 8 states have call predecessors, (62), 8 states have return successors, (62), 59 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-20 05:11:35,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 415 transitions. [2024-11-20 05:11:35,522 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 415 transitions. Word has length 151 [2024-11-20 05:11:35,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:11:35,523 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 415 transitions. [2024-11-20 05:11:35,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 05:11:35,525 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 415 transitions. [2024-11-20 05:11:35,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-20 05:11:35,527 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:11:35,528 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:11:35,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 05:11:35,528 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:11:35,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:11:35,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1894742939, now seen corresponding path program 1 times [2024-11-20 05:11:35,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:11:35,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892298473] [2024-11-20 05:11:35,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:11:35,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:11:35,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:40,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:11:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:40,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:11:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:40,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:11:40,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:40,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:11:40,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:40,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:11:40,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:40,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:11:40,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:40,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:11:40,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:40,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:11:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:40,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:11:40,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:40,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:11:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:40,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:11:40,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:40,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:11:40,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:40,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:11:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:40,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:11:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:40,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:11:40,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:40,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:11:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:40,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:11:40,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:40,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:11:40,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:40,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:11:40,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:40,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:11:40,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:40,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:11:40,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:40,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 05:11:40,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:40,816 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-20 05:11:40,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:11:40,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892298473] [2024-11-20 05:11:40,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892298473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:11:40,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:11:40,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-20 05:11:40,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257833452] [2024-11-20 05:11:40,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:11:40,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-20 05:11:40,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:11:40,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-20 05:11:40,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2024-11-20 05:11:40,822 INFO L87 Difference]: Start difference. First operand 276 states and 415 transitions. Second operand has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 05:11:42,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:11:42,805 INFO L93 Difference]: Finished difference Result 384 states and 545 transitions. [2024-11-20 05:11:42,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-20 05:11:42,806 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-11-20 05:11:42,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:11:42,811 INFO L225 Difference]: With dead ends: 384 [2024-11-20 05:11:42,812 INFO L226 Difference]: Without dead ends: 382 [2024-11-20 05:11:42,813 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=187, Invalid=365, Unknown=0, NotChecked=0, Total=552 [2024-11-20 05:11:42,814 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 365 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-20 05:11:42,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 723 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-20 05:11:42,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-11-20 05:11:42,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 280. [2024-11-20 05:11:42,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 209 states have (on average 1.4210526315789473) internal successors, (297), 212 states have internal predecessors, (297), 62 states have call successors, (62), 8 states have call predecessors, (62), 8 states have return successors, (62), 59 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-20 05:11:42,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 421 transitions. [2024-11-20 05:11:42,850 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 421 transitions. Word has length 151 [2024-11-20 05:11:42,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:11:42,850 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 421 transitions. [2024-11-20 05:11:42,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 05:11:42,851 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 421 transitions. [2024-11-20 05:11:42,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-20 05:11:42,853 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:11:42,853 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:11:42,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 05:11:42,853 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:11:42,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:11:42,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1892895897, now seen corresponding path program 1 times [2024-11-20 05:11:42,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:11:42,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16392065] [2024-11-20 05:11:42,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:11:42,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:11:42,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:46,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:11:46,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:46,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:11:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:46,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:11:46,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:46,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:11:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:46,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:11:46,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:46,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:11:46,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:46,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:11:46,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:46,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:11:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:46,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:11:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:46,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:11:46,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:46,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:11:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:46,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:11:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:46,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:11:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:46,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:11:46,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:46,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:11:46,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:46,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:11:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:46,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:11:46,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:46,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:11:46,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:46,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:11:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:46,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:11:46,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:46,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:11:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:46,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 05:11:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:46,410 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-20 05:11:46,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:11:46,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16392065] [2024-11-20 05:11:46,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16392065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:11:46,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:11:46,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-20 05:11:46,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964586373] [2024-11-20 05:11:46,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:11:46,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-20 05:11:46,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:11:46,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-20 05:11:46,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2024-11-20 05:11:46,413 INFO L87 Difference]: Start difference. First operand 280 states and 421 transitions. Second operand has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 05:11:47,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:11:47,423 INFO L93 Difference]: Finished difference Result 382 states and 543 transitions. [2024-11-20 05:11:47,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-20 05:11:47,423 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-11-20 05:11:47,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:11:47,426 INFO L225 Difference]: With dead ends: 382 [2024-11-20 05:11:47,426 INFO L226 Difference]: Without dead ends: 380 [2024-11-20 05:11:47,427 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=172, Invalid=334, Unknown=0, NotChecked=0, Total=506 [2024-11-20 05:11:47,427 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 396 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 05:11:47,428 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 642 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 05:11:47,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2024-11-20 05:11:47,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 276. [2024-11-20 05:11:47,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 205 states have (on average 1.4195121951219511) internal successors, (291), 208 states have internal predecessors, (291), 62 states have call successors, (62), 8 states have call predecessors, (62), 8 states have return successors, (62), 59 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-20 05:11:47,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 415 transitions. [2024-11-20 05:11:47,449 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 415 transitions. Word has length 151 [2024-11-20 05:11:47,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:11:47,449 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 415 transitions. [2024-11-20 05:11:47,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 05:11:47,450 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 415 transitions. [2024-11-20 05:11:47,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-20 05:11:47,451 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:11:47,452 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:11:47,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 05:11:47,452 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:11:47,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:11:47,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1472850007, now seen corresponding path program 1 times [2024-11-20 05:11:47,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:11:47,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846741424] [2024-11-20 05:11:47,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:11:47,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:11:47,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:11:47,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:11:47,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:11:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:11:47,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:11:47,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:11:47,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:11:47,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:11:47,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:11:47,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:11:47,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:11:47,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:11:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:11:47,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:11:47,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:11:47,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:11:47,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:11:47,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:11:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:11:47,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:11:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:11:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 05:11:47,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,546 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-20 05:11:47,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:11:47,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846741424] [2024-11-20 05:11:47,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846741424] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:11:47,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:11:47,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 05:11:47,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284244627] [2024-11-20 05:11:47,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:11:47,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 05:11:47,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:11:47,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 05:11:47,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 05:11:47,549 INFO L87 Difference]: Start difference. First operand 276 states and 415 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 05:11:47,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:11:47,610 INFO L93 Difference]: Finished difference Result 682 states and 1037 transitions. [2024-11-20 05:11:47,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 05:11:47,611 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-11-20 05:11:47,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:11:47,617 INFO L225 Difference]: With dead ends: 682 [2024-11-20 05:11:47,617 INFO L226 Difference]: Without dead ends: 467 [2024-11-20 05:11:47,618 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 05:11:47,619 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 105 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 05:11:47,619 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 324 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 05:11:47,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2024-11-20 05:11:47,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 465. [2024-11-20 05:11:47,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 349 states have (on average 1.3724928366762177) internal successors, (479), 355 states have internal predecessors, (479), 102 states have call successors, (102), 13 states have call predecessors, (102), 13 states have return successors, (102), 96 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-20 05:11:47,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 683 transitions. [2024-11-20 05:11:47,653 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 683 transitions. Word has length 151 [2024-11-20 05:11:47,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:11:47,653 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 683 transitions. [2024-11-20 05:11:47,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 05:11:47,654 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 683 transitions. [2024-11-20 05:11:47,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-20 05:11:47,656 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:11:47,656 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:11:47,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 05:11:47,657 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:11:47,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:11:47,657 INFO L85 PathProgramCache]: Analyzing trace with hash 663503381, now seen corresponding path program 1 times [2024-11-20 05:11:47,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:11:47,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925825183] [2024-11-20 05:11:47,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:11:47,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:11:47,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:11:47,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:11:47,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:11:47,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:11:47,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:11:47,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:11:47,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:11:47,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:11:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:11:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:11:47,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:11:47,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:11:47,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:11:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:11:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:11:47,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:11:47,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:11:47,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:11:47,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:11:47,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:11:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:11:47,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 05:11:47,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:47,828 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-20 05:11:47,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:11:47,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925825183] [2024-11-20 05:11:47,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925825183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:11:47,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:11:47,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 05:11:47,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23603746] [2024-11-20 05:11:47,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:11:47,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 05:11:47,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:11:47,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 05:11:47,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 05:11:47,832 INFO L87 Difference]: Start difference. First operand 465 states and 683 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 05:11:48,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:11:48,048 INFO L93 Difference]: Finished difference Result 1197 states and 1746 transitions. [2024-11-20 05:11:48,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 05:11:48,049 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-11-20 05:11:48,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:11:48,056 INFO L225 Difference]: With dead ends: 1197 [2024-11-20 05:11:48,056 INFO L226 Difference]: Without dead ends: 793 [2024-11-20 05:11:48,058 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-20 05:11:48,058 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 91 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 05:11:48,059 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 382 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 05:11:48,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2024-11-20 05:11:48,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 751. [2024-11-20 05:11:48,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 751 states, 580 states have (on average 1.3724137931034484) internal successors, (796), 591 states have internal predecessors, (796), 150 states have call successors, (150), 20 states have call predecessors, (150), 20 states have return successors, (150), 139 states have call predecessors, (150), 150 states have call successors, (150) [2024-11-20 05:11:48,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 1096 transitions. [2024-11-20 05:11:48,117 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 1096 transitions. Word has length 151 [2024-11-20 05:11:48,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:11:48,117 INFO L471 AbstractCegarLoop]: Abstraction has 751 states and 1096 transitions. [2024-11-20 05:11:48,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 05:11:48,118 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 1096 transitions. [2024-11-20 05:11:48,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-20 05:11:48,119 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:11:48,119 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:11:48,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 05:11:48,120 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:11:48,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:11:48,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1343561751, now seen corresponding path program 1 times [2024-11-20 05:11:48,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:11:48,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103654164] [2024-11-20 05:11:48,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:11:48,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:11:48,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:48,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:11:48,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:48,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:11:48,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:48,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:11:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:48,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:11:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:48,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:11:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:48,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:11:48,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:48,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:11:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:48,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:11:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:48,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:11:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:48,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:11:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:48,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:11:48,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:48,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:11:48,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:48,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:11:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:48,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:11:48,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:48,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:11:48,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:48,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:11:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:48,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:11:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:48,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:11:48,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:48,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:11:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:48,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:11:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:48,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:11:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:48,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 05:11:48,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:48,314 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-20 05:11:48,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:11:48,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103654164] [2024-11-20 05:11:48,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103654164] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:11:48,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:11:48,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 05:11:48,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229990818] [2024-11-20 05:11:48,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:11:48,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 05:11:48,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:11:48,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 05:11:48,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 05:11:48,318 INFO L87 Difference]: Start difference. First operand 751 states and 1096 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 05:11:48,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:11:48,800 INFO L93 Difference]: Finished difference Result 1698 states and 2452 transitions. [2024-11-20 05:11:48,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 05:11:48,800 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-11-20 05:11:48,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:11:48,809 INFO L225 Difference]: With dead ends: 1698 [2024-11-20 05:11:48,809 INFO L226 Difference]: Without dead ends: 1050 [2024-11-20 05:11:48,811 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-20 05:11:48,812 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 289 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 05:11:48,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 468 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 05:11:48,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1050 states. [2024-11-20 05:11:48,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1050 to 1026. [2024-11-20 05:11:48,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1026 states, 798 states have (on average 1.3671679197994988) internal successors, (1091), 814 states have internal predecessors, (1091), 198 states have call successors, (198), 29 states have call predecessors, (198), 29 states have return successors, (198), 182 states have call predecessors, (198), 198 states have call successors, (198) [2024-11-20 05:11:48,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1487 transitions. [2024-11-20 05:11:48,901 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1487 transitions. Word has length 151 [2024-11-20 05:11:48,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:11:48,901 INFO L471 AbstractCegarLoop]: Abstraction has 1026 states and 1487 transitions. [2024-11-20 05:11:48,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 05:11:48,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1487 transitions. [2024-11-20 05:11:48,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-20 05:11:48,904 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:11:48,904 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:11:48,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 05:11:48,905 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:11:48,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:11:48,906 INFO L85 PathProgramCache]: Analyzing trace with hash 627878555, now seen corresponding path program 1 times [2024-11-20 05:11:48,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:11:48,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391538449] [2024-11-20 05:11:48,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:11:48,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:11:48,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:11:49,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:11:49,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:11:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:11:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:11:49,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:11:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:11:49,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:11:49,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:11:49,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:11:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:11:49,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:11:49,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:11:49,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:11:49,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:11:49,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:11:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:11:49,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:11:49,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:11:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:11:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:11:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 05:11:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,251 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-20 05:11:49,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:11:49,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391538449] [2024-11-20 05:11:49,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391538449] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:11:49,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:11:49,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 05:11:49,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648213177] [2024-11-20 05:11:49,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:11:49,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 05:11:49,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:11:49,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 05:11:49,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 05:11:49,254 INFO L87 Difference]: Start difference. First operand 1026 states and 1487 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-20 05:11:49,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:11:49,761 INFO L93 Difference]: Finished difference Result 2550 states and 3618 transitions. [2024-11-20 05:11:49,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 05:11:49,762 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 151 [2024-11-20 05:11:49,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:11:49,771 INFO L225 Difference]: With dead ends: 2550 [2024-11-20 05:11:49,772 INFO L226 Difference]: Without dead ends: 1627 [2024-11-20 05:11:49,775 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-20 05:11:49,776 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 290 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 05:11:49,776 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 257 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 05:11:49,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1627 states. [2024-11-20 05:11:49,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1627 to 1320. [2024-11-20 05:11:49,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1026 states have (on average 1.3430799220272904) internal successors, (1378), 1052 states have internal predecessors, (1378), 254 states have call successors, (254), 39 states have call predecessors, (254), 39 states have return successors, (254), 228 states have call predecessors, (254), 254 states have call successors, (254) [2024-11-20 05:11:49,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 1886 transitions. [2024-11-20 05:11:49,880 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 1886 transitions. Word has length 151 [2024-11-20 05:11:49,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:11:49,881 INFO L471 AbstractCegarLoop]: Abstraction has 1320 states and 1886 transitions. [2024-11-20 05:11:49,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-20 05:11:49,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1886 transitions. [2024-11-20 05:11:49,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-20 05:11:49,884 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:11:49,884 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:11:49,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 05:11:49,884 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:11:49,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:11:49,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1920420495, now seen corresponding path program 1 times [2024-11-20 05:11:49,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:11:49,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230181158] [2024-11-20 05:11:49,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:11:49,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:11:49,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:11:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:11:49,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:11:49,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:11:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:11:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:11:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:11:49,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:11:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:11:49,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:11:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:11:49,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:11:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:11:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:11:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:11:49,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:11:49,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:11:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:11:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:11:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:11:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:11:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 05:11:49,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:49,988 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-20 05:11:49,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:11:49,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230181158] [2024-11-20 05:11:49,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230181158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:11:49,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:11:49,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 05:11:49,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943598711] [2024-11-20 05:11:49,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:11:49,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 05:11:49,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:11:49,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 05:11:49,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 05:11:49,991 INFO L87 Difference]: Start difference. First operand 1320 states and 1886 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 05:11:50,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:11:50,131 INFO L93 Difference]: Finished difference Result 2939 states and 4198 transitions. [2024-11-20 05:11:50,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 05:11:50,132 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-11-20 05:11:50,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:11:50,140 INFO L225 Difference]: With dead ends: 2939 [2024-11-20 05:11:50,140 INFO L226 Difference]: Without dead ends: 1711 [2024-11-20 05:11:50,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 05:11:50,145 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 78 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 05:11:50,145 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 257 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 05:11:50,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1711 states. [2024-11-20 05:11:50,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1711 to 1350. [2024-11-20 05:11:50,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1350 states, 1055 states have (on average 1.3526066350710901) internal successors, (1427), 1081 states have internal predecessors, (1427), 254 states have call successors, (254), 40 states have call predecessors, (254), 40 states have return successors, (254), 228 states have call predecessors, (254), 254 states have call successors, (254) [2024-11-20 05:11:50,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1350 states and 1935 transitions. [2024-11-20 05:11:50,248 INFO L78 Accepts]: Start accepts. Automaton has 1350 states and 1935 transitions. Word has length 152 [2024-11-20 05:11:50,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:11:50,249 INFO L471 AbstractCegarLoop]: Abstraction has 1350 states and 1935 transitions. [2024-11-20 05:11:50,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 05:11:50,249 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 1935 transitions. [2024-11-20 05:11:50,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-20 05:11:50,252 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:11:50,252 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:11:50,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 05:11:50,252 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:11:50,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:11:50,253 INFO L85 PathProgramCache]: Analyzing trace with hash 231476753, now seen corresponding path program 1 times [2024-11-20 05:11:50,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:11:50,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720458665] [2024-11-20 05:11:50,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:11:50,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:11:50,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:50,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:11:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:50,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:11:50,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:50,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:11:50,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:50,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:11:50,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:50,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:11:50,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:50,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:11:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:50,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:11:50,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:50,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:11:50,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:50,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:11:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:50,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:11:50,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:50,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:11:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:50,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:11:50,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:50,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:11:50,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:50,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:11:50,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:50,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:11:50,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:50,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:11:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:50,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:11:50,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:50,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:11:50,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:50,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:11:50,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:50,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:11:50,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:50,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:11:50,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:50,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 05:11:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:50,466 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-20 05:11:50,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:11:50,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720458665] [2024-11-20 05:11:50,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720458665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:11:50,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:11:50,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 05:11:50,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109497971] [2024-11-20 05:11:50,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:11:50,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 05:11:50,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:11:50,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 05:11:50,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 05:11:50,467 INFO L87 Difference]: Start difference. First operand 1350 states and 1935 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 05:11:50,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:11:50,684 INFO L93 Difference]: Finished difference Result 3197 states and 4600 transitions. [2024-11-20 05:11:50,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 05:11:50,685 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-11-20 05:11:50,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:11:50,715 INFO L225 Difference]: With dead ends: 3197 [2024-11-20 05:11:50,715 INFO L226 Difference]: Without dead ends: 2340 [2024-11-20 05:11:50,718 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 05:11:50,720 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 131 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 05:11:50,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 460 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 05:11:50,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2340 states. [2024-11-20 05:11:50,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2340 to 2068. [2024-11-20 05:11:50,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2068 states, 1615 states have (on average 1.3504643962848297) internal successors, (2181), 1659 states have internal predecessors, (2181), 394 states have call successors, (394), 58 states have call predecessors, (394), 58 states have return successors, (394), 350 states have call predecessors, (394), 394 states have call successors, (394) [2024-11-20 05:11:50,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2068 states to 2068 states and 2969 transitions. [2024-11-20 05:11:50,877 INFO L78 Accepts]: Start accepts. Automaton has 2068 states and 2969 transitions. Word has length 152 [2024-11-20 05:11:50,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:11:50,878 INFO L471 AbstractCegarLoop]: Abstraction has 2068 states and 2969 transitions. [2024-11-20 05:11:50,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 05:11:50,878 INFO L276 IsEmpty]: Start isEmpty. Operand 2068 states and 2969 transitions. [2024-11-20 05:11:50,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-20 05:11:50,880 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:11:50,880 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:11:50,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 05:11:50,880 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:11:50,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:11:50,881 INFO L85 PathProgramCache]: Analyzing trace with hash 360353935, now seen corresponding path program 1 times [2024-11-20 05:11:50,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:11:50,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102723210] [2024-11-20 05:11:50,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:11:50,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:11:50,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:53,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:11:53,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:53,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:11:53,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:53,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:11:53,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:53,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:11:53,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:53,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:11:53,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:53,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:11:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:53,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:11:53,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:53,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:11:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:53,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:11:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:53,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:11:53,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:53,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:11:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:53,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:11:53,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:53,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:11:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:53,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:11:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:53,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:11:53,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:53,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:11:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:53,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:11:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:53,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:11:53,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:53,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:11:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:53,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:11:53,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:53,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:11:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:53,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 05:11:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:53,819 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-20 05:11:53,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:11:53,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102723210] [2024-11-20 05:11:53,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102723210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:11:53,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:11:53,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-20 05:11:53,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114799254] [2024-11-20 05:11:53,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:11:53,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-20 05:11:53,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:11:53,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-20 05:11:53,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=153, Unknown=0, NotChecked=0, Total=240 [2024-11-20 05:11:53,822 INFO L87 Difference]: Start difference. First operand 2068 states and 2969 transitions. Second operand has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-20 05:11:55,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:11:55,255 INFO L93 Difference]: Finished difference Result 2379 states and 3320 transitions. [2024-11-20 05:11:55,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-20 05:11:55,256 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 152 [2024-11-20 05:11:55,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:11:55,267 INFO L225 Difference]: With dead ends: 2379 [2024-11-20 05:11:55,268 INFO L226 Difference]: Without dead ends: 2377 [2024-11-20 05:11:55,269 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=113, Invalid=193, Unknown=0, NotChecked=0, Total=306 [2024-11-20 05:11:55,269 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 307 mSDsluCounter, 734 mSDsCounter, 0 mSdLazyCounter, 780 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-20 05:11:55,270 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 887 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 780 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-20 05:11:55,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2377 states. [2024-11-20 05:11:55,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2377 to 2068. [2024-11-20 05:11:55,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2068 states, 1634 states have (on average 1.3488372093023255) internal successors, (2204), 1678 states have internal predecessors, (2204), 370 states have call successors, (370), 63 states have call predecessors, (370), 63 states have return successors, (370), 326 states have call predecessors, (370), 370 states have call successors, (370) [2024-11-20 05:11:55,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2068 states to 2068 states and 2944 transitions. [2024-11-20 05:11:55,437 INFO L78 Accepts]: Start accepts. Automaton has 2068 states and 2944 transitions. Word has length 152 [2024-11-20 05:11:55,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:11:55,438 INFO L471 AbstractCegarLoop]: Abstraction has 2068 states and 2944 transitions. [2024-11-20 05:11:55,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-20 05:11:55,438 INFO L276 IsEmpty]: Start isEmpty. Operand 2068 states and 2944 transitions. [2024-11-20 05:11:55,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-20 05:11:55,440 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:11:55,440 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:11:55,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-20 05:11:55,441 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:11:55,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:11:55,441 INFO L85 PathProgramCache]: Analyzing trace with hash 358506893, now seen corresponding path program 1 times [2024-11-20 05:11:55,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:11:55,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267713760] [2024-11-20 05:11:55,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:11:55,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:11:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:58,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:11:58,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:58,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:11:58,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:58,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:11:58,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:58,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:11:58,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:58,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:11:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:58,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:11:58,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:58,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:11:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:58,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:11:58,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:58,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:11:58,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:58,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:11:58,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:58,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:11:58,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:58,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:11:58,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:58,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:11:58,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:58,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:11:58,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:58,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:11:58,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:58,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:11:58,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:58,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:11:58,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:58,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:11:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:58,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:11:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:58,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:11:58,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:58,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:11:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:58,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 05:11:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:11:58,408 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-20 05:11:58,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:11:58,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267713760] [2024-11-20 05:11:58,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267713760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:11:58,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:11:58,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-20 05:11:58,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188303253] [2024-11-20 05:11:58,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:11:58,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-20 05:11:58,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:11:58,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-20 05:11:58,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-20 05:11:58,411 INFO L87 Difference]: Start difference. First operand 2068 states and 2944 transitions. Second operand has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 3 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-20 05:12:00,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:12:00,591 INFO L93 Difference]: Finished difference Result 2503 states and 3491 transitions. [2024-11-20 05:12:00,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-20 05:12:00,591 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 3 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 152 [2024-11-20 05:12:00,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:12:00,604 INFO L225 Difference]: With dead ends: 2503 [2024-11-20 05:12:00,604 INFO L226 Difference]: Without dead ends: 2501 [2024-11-20 05:12:00,606 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=251, Invalid=505, Unknown=0, NotChecked=0, Total=756 [2024-11-20 05:12:00,607 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 464 mSDsluCounter, 890 mSDsCounter, 0 mSdLazyCounter, 941 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 1052 SdHoareTripleChecker+Invalid, 1064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-20 05:12:00,607 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 1052 Invalid, 1064 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 941 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-20 05:12:00,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2501 states. [2024-11-20 05:12:00,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2501 to 2110. [2024-11-20 05:12:00,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2110 states, 1676 states have (on average 1.3526252983293556) internal successors, (2267), 1720 states have internal predecessors, (2267), 370 states have call successors, (370), 63 states have call predecessors, (370), 63 states have return successors, (370), 326 states have call predecessors, (370), 370 states have call successors, (370) [2024-11-20 05:12:00,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2110 states to 2110 states and 3007 transitions. [2024-11-20 05:12:00,780 INFO L78 Accepts]: Start accepts. Automaton has 2110 states and 3007 transitions. Word has length 152 [2024-11-20 05:12:00,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:12:00,780 INFO L471 AbstractCegarLoop]: Abstraction has 2110 states and 3007 transitions. [2024-11-20 05:12:00,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 3 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-20 05:12:00,780 INFO L276 IsEmpty]: Start isEmpty. Operand 2110 states and 3007 transitions. [2024-11-20 05:12:00,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-20 05:12:00,783 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:12:00,783 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:12:00,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-20 05:12:00,783 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:12:00,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:12:00,784 INFO L85 PathProgramCache]: Analyzing trace with hash -2028661943, now seen corresponding path program 1 times [2024-11-20 05:12:00,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:12:00,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114697012] [2024-11-20 05:12:00,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:12:00,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:12:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:02,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:12:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:02,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:12:02,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:02,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:12:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:02,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:12:02,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:02,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:12:02,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:02,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:12:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:02,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:12:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:02,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:12:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:02,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:12:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:02,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:12:02,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:02,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:12:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:02,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:12:02,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:02,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:12:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:02,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:12:02,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:02,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:12:02,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:02,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:12:02,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:02,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:12:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:02,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:12:02,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:02,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:12:02,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:02,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:12:02,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:02,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:12:02,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:02,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 05:12:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:02,990 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-20 05:12:02,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:12:02,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114697012] [2024-11-20 05:12:02,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114697012] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:12:02,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:12:02,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-20 05:12:02,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381909259] [2024-11-20 05:12:02,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:12:02,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 05:12:02,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:12:02,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 05:12:02,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=113, Unknown=0, NotChecked=0, Total=182 [2024-11-20 05:12:02,992 INFO L87 Difference]: Start difference. First operand 2110 states and 3007 transitions. Second operand has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 05:12:04,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:12:04,240 INFO L93 Difference]: Finished difference Result 2425 states and 3384 transitions. [2024-11-20 05:12:04,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-20 05:12:04,241 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-11-20 05:12:04,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:12:04,253 INFO L225 Difference]: With dead ends: 2425 [2024-11-20 05:12:04,253 INFO L226 Difference]: Without dead ends: 2423 [2024-11-20 05:12:04,254 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=93, Invalid=147, Unknown=0, NotChecked=0, Total=240 [2024-11-20 05:12:04,255 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 251 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 926 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 904 SdHoareTripleChecker+Invalid, 933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-20 05:12:04,255 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 904 Invalid, 933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 926 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-20 05:12:04,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2423 states. [2024-11-20 05:12:04,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2423 to 2068. [2024-11-20 05:12:04,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2068 states, 1634 states have (on average 1.3488372093023255) internal successors, (2204), 1678 states have internal predecessors, (2204), 370 states have call successors, (370), 63 states have call predecessors, (370), 63 states have return successors, (370), 326 states have call predecessors, (370), 370 states have call successors, (370) [2024-11-20 05:12:04,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2068 states to 2068 states and 2944 transitions. [2024-11-20 05:12:04,424 INFO L78 Accepts]: Start accepts. Automaton has 2068 states and 2944 transitions. Word has length 152 [2024-11-20 05:12:04,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:12:04,425 INFO L471 AbstractCegarLoop]: Abstraction has 2068 states and 2944 transitions. [2024-11-20 05:12:04,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-20 05:12:04,425 INFO L276 IsEmpty]: Start isEmpty. Operand 2068 states and 2944 transitions. [2024-11-20 05:12:04,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-20 05:12:04,427 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:12:04,428 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:12:04,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-20 05:12:04,428 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:12:04,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:12:04,428 INFO L85 PathProgramCache]: Analyzing trace with hash 97463247, now seen corresponding path program 1 times [2024-11-20 05:12:04,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:12:04,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151401049] [2024-11-20 05:12:04,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:12:04,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:12:04,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:07,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 05:12:07,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:07,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 05:12:07,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:07,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 05:12:07,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:07,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 05:12:07,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:07,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 05:12:07,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:07,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 05:12:07,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:07,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 05:12:07,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:07,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 05:12:07,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:07,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 05:12:07,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:07,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 05:12:07,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:07,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 05:12:07,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:07,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 05:12:07,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:07,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 05:12:07,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:07,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 05:12:07,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:07,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 05:12:07,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:07,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 05:12:07,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:07,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 05:12:07,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:07,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 05:12:07,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:07,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 05:12:07,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:07,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 05:12:07,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:07,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 05:12:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:07,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 05:12:07,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 05:12:07,533 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-20 05:12:07,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 05:12:07,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151401049] [2024-11-20 05:12:07,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151401049] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 05:12:07,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 05:12:07,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-20 05:12:07,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653363572] [2024-11-20 05:12:07,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 05:12:07,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-20 05:12:07,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 05:12:07,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-20 05:12:07,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2024-11-20 05:12:07,536 INFO L87 Difference]: Start difference. First operand 2068 states and 2944 transitions. Second operand has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 19 states have internal predecessors, (45), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-20 05:12:10,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 05:12:10,314 INFO L93 Difference]: Finished difference Result 4341 states and 6131 transitions. [2024-11-20 05:12:10,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-20 05:12:10,315 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 19 states have internal predecessors, (45), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 152 [2024-11-20 05:12:10,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 05:12:10,329 INFO L225 Difference]: With dead ends: 4341 [2024-11-20 05:12:10,329 INFO L226 Difference]: Without dead ends: 2432 [2024-11-20 05:12:10,335 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=285, Invalid=837, Unknown=0, NotChecked=0, Total=1122 [2024-11-20 05:12:10,336 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 475 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 1157 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 1228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 1157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-20 05:12:10,336 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [475 Valid, 747 Invalid, 1228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 1157 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-20 05:12:10,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2432 states. [2024-11-20 05:12:10,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2432 to 1674. [2024-11-20 05:12:10,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1674 states, 1347 states have (on average 1.3749072011878247) internal successors, (1852), 1374 states have internal predecessors, (1852), 272 states have call successors, (272), 54 states have call predecessors, (272), 54 states have return successors, (272), 245 states have call predecessors, (272), 272 states have call successors, (272) [2024-11-20 05:12:10,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1674 states to 1674 states and 2396 transitions. [2024-11-20 05:12:10,484 INFO L78 Accepts]: Start accepts. Automaton has 1674 states and 2396 transitions. Word has length 152 [2024-11-20 05:12:10,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 05:12:10,485 INFO L471 AbstractCegarLoop]: Abstraction has 1674 states and 2396 transitions. [2024-11-20 05:12:10,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.3684210526315788) internal successors, (45), 19 states have internal predecessors, (45), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-20 05:12:10,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1674 states and 2396 transitions. [2024-11-20 05:12:10,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-20 05:12:10,488 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 05:12:10,488 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 05:12:10,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-20 05:12:10,488 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 05:12:10,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 05:12:10,489 INFO L85 PathProgramCache]: Analyzing trace with hash 95616205, now seen corresponding path program 1 times [2024-11-20 05:12:10,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 05:12:10,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661027705] [2024-11-20 05:12:10,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 05:12:10,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 05:12:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat