./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-60.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-60.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 dc938a0405ab980f73e24a449c4c9df5a56aedb0c7fd21047d768606a1a4d267 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 03:56:14,661 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 03:56:14,756 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 03:56:14,762 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 03:56:14,762 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 03:56:14,784 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 03:56:14,785 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 03:56:14,785 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 03:56:14,786 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 03:56:14,786 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 03:56:14,787 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 03:56:14,787 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 03:56:14,788 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 03:56:14,788 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 03:56:14,788 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 03:56:14,789 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 03:56:14,789 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 03:56:14,790 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 03:56:14,790 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 03:56:14,790 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 03:56:14,791 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 03:56:14,791 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 03:56:14,792 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 03:56:14,792 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 03:56:14,792 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 03:56:14,793 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 03:56:14,793 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 03:56:14,793 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 03:56:14,794 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 03:56:14,794 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 03:56:14,794 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 03:56:14,795 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 03:56:14,795 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 03:56:14,796 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 03:56:14,796 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 03:56:14,796 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 03:56:14,797 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 03:56:14,797 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 03:56:14,798 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 03:56:14,798 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 03:56:14,798 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 03:56:14,799 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 03:56:14,799 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc938a0405ab980f73e24a449c4c9df5a56aedb0c7fd21047d768606a1a4d267 [2024-11-10 03:56:15,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 03:56:15,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 03:56:15,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 03:56:15,102 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 03:56:15,103 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 03:56:15,104 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-60.i [2024-11-10 03:56:16,597 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 03:56:16,830 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 03:56:16,830 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-60.i [2024-11-10 03:56:16,844 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f68587235/4cbfb63132e54324981114781a5e2c77/FLAG2c6e6a7ec [2024-11-10 03:56:16,866 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f68587235/4cbfb63132e54324981114781a5e2c77 [2024-11-10 03:56:16,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 03:56:16,872 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 03:56:16,873 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 03:56:16,873 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 03:56:16,879 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 03:56:16,879 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:56:16" (1/1) ... [2024-11-10 03:56:16,880 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fc5a072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:56:16, skipping insertion in model container [2024-11-10 03:56:16,880 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:56:16" (1/1) ... [2024-11-10 03:56:16,913 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 03:56:17,101 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_fillercodesize_ps-cn-100_file-60.i[916,929] [2024-11-10 03:56:17,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 03:56:17,255 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 03:56:17,265 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_fillercodesize_ps-cn-100_file-60.i[916,929] [2024-11-10 03:56:17,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 03:56:17,352 INFO L204 MainTranslator]: Completed translation [2024-11-10 03:56:17,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:56:17 WrapperNode [2024-11-10 03:56:17,353 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 03:56:17,354 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 03:56:17,354 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 03:56:17,354 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 03:56:17,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:56:17" (1/1) ... [2024-11-10 03:56:17,375 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:56:17" (1/1) ... [2024-11-10 03:56:17,423 INFO L138 Inliner]: procedures = 26, calls = 69, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 377 [2024-11-10 03:56:17,424 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 03:56:17,425 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 03:56:17,425 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 03:56:17,425 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 03:56:17,436 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:56:17" (1/1) ... [2024-11-10 03:56:17,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:56:17" (1/1) ... [2024-11-10 03:56:17,446 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:56:17" (1/1) ... [2024-11-10 03:56:17,478 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]. [2024-11-10 03:56:17,478 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:56:17" (1/1) ... [2024-11-10 03:56:17,479 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:56:17" (1/1) ... [2024-11-10 03:56:17,504 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:56:17" (1/1) ... [2024-11-10 03:56:17,509 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:56:17" (1/1) ... [2024-11-10 03:56:17,512 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:56:17" (1/1) ... [2024-11-10 03:56:17,519 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:56:17" (1/1) ... [2024-11-10 03:56:17,526 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 03:56:17,528 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 03:56:17,528 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 03:56:17,528 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 03:56:17,529 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:56:17" (1/1) ... [2024-11-10 03:56:17,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 03:56:17,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 03:56:17,568 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) [2024-11-10 03:56:17,572 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 [2024-11-10 03:56:17,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 03:56:17,623 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 03:56:17,624 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 03:56:17,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 03:56:17,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 03:56:17,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 03:56:17,723 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 03:56:17,725 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 03:56:18,338 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-10 03:56:18,338 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 03:56:18,370 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 03:56:18,372 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 03:56:18,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 03:56:18 BoogieIcfgContainer [2024-11-10 03:56:18,373 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 03:56:18,375 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 03:56:18,376 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 03:56:18,380 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 03:56:18,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 03:56:16" (1/3) ... [2024-11-10 03:56:18,382 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76e67cc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:56:18, skipping insertion in model container [2024-11-10 03:56:18,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:56:17" (2/3) ... [2024-11-10 03:56:18,382 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76e67cc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:56:18, skipping insertion in model container [2024-11-10 03:56:18,384 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 03:56:18" (3/3) ... [2024-11-10 03:56:18,385 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-60.i [2024-11-10 03:56:18,401 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 03:56:18,402 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 03:56:18,489 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 03:56:18,502 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;@4f32cd3e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 03:56:18,502 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 03:56:18,509 INFO L276 IsEmpty]: Start isEmpty. Operand has 161 states, 102 states have (on average 1.4313725490196079) internal successors, (146), 103 states have internal predecessors, (146), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-10 03:56:18,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2024-11-10 03:56:18,534 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 03:56:18,537 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 03:56:18,538 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 03:56:18,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 03:56:18,544 INFO L85 PathProgramCache]: Analyzing trace with hash -755264795, now seen corresponding path program 1 times [2024-11-10 03:56:18,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 03:56:18,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996208903] [2024-11-10 03:56:18,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:56:18,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 03:56:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 03:56:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 03:56:19,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 03:56:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 03:56:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 03:56:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 03:56:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 03:56:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 03:56:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 03:56:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 03:56:19,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 03:56:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 03:56:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 03:56:19,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 03:56:19,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 03:56:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 03:56:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 03:56:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 03:56:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 03:56:19,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 03:56:19,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 03:56:19,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 03:56:19,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 03:56:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 03:56:19,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 03:56:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 03:56:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 03:56:19,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 03:56:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 03:56:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 03:56:19,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 03:56:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-10 03:56:19,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 03:56:19,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-10 03:56:19,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-10 03:56:19,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-10 03:56:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-10 03:56:19,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 03:56:19,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 03:56:19,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 03:56:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 03:56:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-10 03:56:19,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-10 03:56:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-10 03:56:19,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-10 03:56:19,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-10 03:56:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-10 03:56:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 03:56:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-10 03:56:19,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-10 03:56:19,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-10 03:56:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-10 03:56:19,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-10 03:56:19,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-10 03:56:19,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-10 03:56:19,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-10 03:56:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:19,447 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-11-10 03:56:19,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 03:56:19,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996208903] [2024-11-10 03:56:19,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996208903] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 03:56:19,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 03:56:19,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 03:56:19,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030394338] [2024-11-10 03:56:19,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 03:56:19,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 03:56:19,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 03:56:19,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 03:56:19,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 03:56:19,497 INFO L87 Difference]: Start difference. First operand has 161 states, 102 states have (on average 1.4313725490196079) internal successors, (146), 103 states have internal predecessors, (146), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) Second operand has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 2 states have call successors, (56) [2024-11-10 03:56:19,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 03:56:19,580 INFO L93 Difference]: Finished difference Result 314 states and 565 transitions. [2024-11-10 03:56:19,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 03:56:19,585 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 2 states have call successors, (56) Word has length 349 [2024-11-10 03:56:19,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 03:56:19,596 INFO L225 Difference]: With dead ends: 314 [2024-11-10 03:56:19,598 INFO L226 Difference]: Without dead ends: 156 [2024-11-10 03:56:19,606 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 03:56:19,612 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 03:56:19,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 243 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 03:56:19,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-10 03:56:19,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2024-11-10 03:56:19,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 98 states have (on average 1.3979591836734695) internal successors, (137), 98 states have internal predecessors, (137), 56 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-10 03:56:19,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 249 transitions. [2024-11-10 03:56:19,696 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 249 transitions. Word has length 349 [2024-11-10 03:56:19,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 03:56:19,698 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 249 transitions. [2024-11-10 03:56:19,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 36.0) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 2 states have call successors, (56) [2024-11-10 03:56:19,699 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 249 transitions. [2024-11-10 03:56:19,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2024-11-10 03:56:19,713 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 03:56:19,716 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 03:56:19,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 03:56:19,717 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 03:56:19,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 03:56:19,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1472678083, now seen corresponding path program 1 times [2024-11-10 03:56:19,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 03:56:19,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375122889] [2024-11-10 03:56:19,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:56:19,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 03:56:19,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 03:56:20,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 03:56:20,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 03:56:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 03:56:20,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 03:56:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 03:56:20,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 03:56:20,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 03:56:20,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 03:56:20,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 03:56:20,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 03:56:20,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 03:56:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 03:56:20,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 03:56:20,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 03:56:20,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 03:56:20,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 03:56:20,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 03:56:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 03:56:20,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 03:56:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 03:56:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 03:56:20,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 03:56:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 03:56:20,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 03:56:20,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 03:56:20,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 03:56:20,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 03:56:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 03:56:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 03:56:20,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 03:56:20,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-10 03:56:20,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 03:56:20,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-10 03:56:20,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-10 03:56:20,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-10 03:56:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-10 03:56:20,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 03:56:20,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 03:56:20,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 03:56:20,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 03:56:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-10 03:56:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-10 03:56:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-10 03:56:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-10 03:56:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-10 03:56:20,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-10 03:56:20,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 03:56:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-10 03:56:20,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-10 03:56:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-10 03:56:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-10 03:56:20,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-10 03:56:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-10 03:56:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-10 03:56:20,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-10 03:56:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,191 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-11-10 03:56:20,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 03:56:20,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375122889] [2024-11-10 03:56:20,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375122889] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 03:56:20,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 03:56:20,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 03:56:20,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710383167] [2024-11-10 03:56:20,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 03:56:20,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 03:56:20,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 03:56:20,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 03:56:20,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 03:56:20,200 INFO L87 Difference]: Start difference. First operand 156 states and 249 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-10 03:56:20,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 03:56:20,276 INFO L93 Difference]: Finished difference Result 346 states and 548 transitions. [2024-11-10 03:56:20,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 03:56:20,277 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) Word has length 349 [2024-11-10 03:56:20,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 03:56:20,284 INFO L225 Difference]: With dead ends: 346 [2024-11-10 03:56:20,286 INFO L226 Difference]: Without dead ends: 193 [2024-11-10 03:56:20,289 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 03:56:20,290 INFO L432 NwaCegarLoop]: 277 mSDtfsCounter, 52 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 03:56:20,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 511 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 03:56:20,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-11-10 03:56:20,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 189. [2024-11-10 03:56:20,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 118 states have (on average 1.3728813559322033) internal successors, (162), 119 states have internal predecessors, (162), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 67 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-10 03:56:20,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 298 transitions. [2024-11-10 03:56:20,332 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 298 transitions. Word has length 349 [2024-11-10 03:56:20,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 03:56:20,336 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 298 transitions. [2024-11-10 03:56:20,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-10 03:56:20,336 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 298 transitions. [2024-11-10 03:56:20,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2024-11-10 03:56:20,342 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 03:56:20,342 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 03:56:20,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 03:56:20,343 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 03:56:20,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 03:56:20,344 INFO L85 PathProgramCache]: Analyzing trace with hash 996951079, now seen corresponding path program 1 times [2024-11-10 03:56:20,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 03:56:20,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477416100] [2024-11-10 03:56:20,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:56:20,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 03:56:20,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 03:56:20,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 03:56:20,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 03:56:20,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 03:56:20,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 03:56:20,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 03:56:20,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 03:56:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 03:56:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 03:56:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 03:56:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 03:56:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 03:56:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 03:56:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 03:56:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 03:56:20,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 03:56:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 03:56:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 03:56:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 03:56:20,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:20,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 03:56:20,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 03:56:21,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 03:56:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 03:56:21,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 03:56:21,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 03:56:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 03:56:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 03:56:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 03:56:21,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 03:56:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 03:56:21,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 03:56:21,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-10 03:56:21,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 03:56:21,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-10 03:56:21,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-10 03:56:21,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-10 03:56:21,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-10 03:56:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 03:56:21,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 03:56:21,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 03:56:21,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 03:56:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-10 03:56:21,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-10 03:56:21,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-10 03:56:21,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-10 03:56:21,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-10 03:56:21,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-10 03:56:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 03:56:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-10 03:56:21,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-10 03:56:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-10 03:56:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-10 03:56:21,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-10 03:56:21,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-10 03:56:21,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-10 03:56:21,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-10 03:56:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,238 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-11-10 03:56:21,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 03:56:21,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477416100] [2024-11-10 03:56:21,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477416100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 03:56:21,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 03:56:21,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 03:56:21,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871287033] [2024-11-10 03:56:21,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 03:56:21,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 03:56:21,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 03:56:21,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 03:56:21,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 03:56:21,243 INFO L87 Difference]: Start difference. First operand 189 states and 298 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-10 03:56:21,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 03:56:21,302 INFO L93 Difference]: Finished difference Result 561 states and 888 transitions. [2024-11-10 03:56:21,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 03:56:21,302 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) Word has length 350 [2024-11-10 03:56:21,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 03:56:21,308 INFO L225 Difference]: With dead ends: 561 [2024-11-10 03:56:21,309 INFO L226 Difference]: Without dead ends: 375 [2024-11-10 03:56:21,310 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 03:56:21,311 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 147 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 03:56:21,311 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 475 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 03:56:21,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2024-11-10 03:56:21,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 371. [2024-11-10 03:56:21,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 230 states have (on average 1.3695652173913044) internal successors, (315), 232 states have internal predecessors, (315), 136 states have call successors, (136), 4 states have call predecessors, (136), 4 states have return successors, (136), 134 states have call predecessors, (136), 136 states have call successors, (136) [2024-11-10 03:56:21,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 587 transitions. [2024-11-10 03:56:21,387 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 587 transitions. Word has length 350 [2024-11-10 03:56:21,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 03:56:21,388 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 587 transitions. [2024-11-10 03:56:21,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-10 03:56:21,388 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 587 transitions. [2024-11-10 03:56:21,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2024-11-10 03:56:21,395 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 03:56:21,395 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 03:56:21,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 03:56:21,395 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 03:56:21,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 03:56:21,397 INFO L85 PathProgramCache]: Analyzing trace with hash 742214534, now seen corresponding path program 1 times [2024-11-10 03:56:21,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 03:56:21,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124412728] [2024-11-10 03:56:21,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:56:21,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 03:56:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 03:56:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 03:56:21,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 03:56:21,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 03:56:21,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 03:56:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 03:56:21,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 03:56:21,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 03:56:21,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 03:56:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 03:56:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 03:56:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 03:56:21,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 03:56:21,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 03:56:21,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 03:56:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 03:56:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 03:56:21,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 03:56:21,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 03:56:21,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 03:56:21,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 03:56:21,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 03:56:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 03:56:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 03:56:21,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 03:56:21,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 03:56:21,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 03:56:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 03:56:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 03:56:21,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 03:56:21,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 03:56:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-10 03:56:21,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 03:56:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-10 03:56:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-10 03:56:21,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-10 03:56:21,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-10 03:56:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 03:56:21,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 03:56:21,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 03:56:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 03:56:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-10 03:56:21,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-10 03:56:21,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-10 03:56:21,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-10 03:56:21,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:21,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-10 03:56:22,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:22,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-10 03:56:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:22,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 03:56:22,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:22,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-10 03:56:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:22,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-10 03:56:22,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:22,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-10 03:56:22,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:22,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-10 03:56:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:22,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-10 03:56:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:22,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-10 03:56:22,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:22,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-10 03:56:22,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:22,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-10 03:56:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:22,065 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-11-10 03:56:22,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 03:56:22,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124412728] [2024-11-10 03:56:22,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124412728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 03:56:22,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 03:56:22,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 03:56:22,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095658201] [2024-11-10 03:56:22,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 03:56:22,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 03:56:22,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 03:56:22,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 03:56:22,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 03:56:22,068 INFO L87 Difference]: Start difference. First operand 371 states and 587 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-10 03:56:22,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 03:56:22,478 INFO L93 Difference]: Finished difference Result 991 states and 1566 transitions. [2024-11-10 03:56:22,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 03:56:22,480 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) Word has length 350 [2024-11-10 03:56:22,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 03:56:22,487 INFO L225 Difference]: With dead ends: 991 [2024-11-10 03:56:22,488 INFO L226 Difference]: Without dead ends: 623 [2024-11-10 03:56:22,489 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-10 03:56:22,490 INFO L432 NwaCegarLoop]: 290 mSDtfsCounter, 163 mSDsluCounter, 906 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 1196 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 03:56:22,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 1196 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 03:56:22,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2024-11-10 03:56:22,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 616. [2024-11-10 03:56:22,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 616 states, 395 states have (on average 1.3848101265822785) internal successors, (547), 401 states have internal predecessors, (547), 212 states have call successors, (212), 8 states have call predecessors, (212), 8 states have return successors, (212), 206 states have call predecessors, (212), 212 states have call successors, (212) [2024-11-10 03:56:22,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 971 transitions. [2024-11-10 03:56:22,576 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 971 transitions. Word has length 350 [2024-11-10 03:56:22,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 03:56:22,577 INFO L471 AbstractCegarLoop]: Abstraction has 616 states and 971 transitions. [2024-11-10 03:56:22,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-10 03:56:22,577 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 971 transitions. [2024-11-10 03:56:22,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2024-11-10 03:56:22,585 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 03:56:22,585 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 03:56:22,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 03:56:22,586 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 03:56:22,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 03:56:22,586 INFO L85 PathProgramCache]: Analyzing trace with hash 2084943271, now seen corresponding path program 1 times [2024-11-10 03:56:22,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 03:56:22,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90449709] [2024-11-10 03:56:22,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:56:22,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 03:56:22,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 03:56:23,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 03:56:23,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 03:56:23,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 03:56:23,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 03:56:23,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 03:56:23,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 03:56:23,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 03:56:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 03:56:23,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 03:56:23,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 03:56:23,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 03:56:23,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 03:56:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 03:56:23,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 03:56:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 03:56:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 03:56:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 03:56:23,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 03:56:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 03:56:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 03:56:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 03:56:23,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 03:56:23,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 03:56:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 03:56:23,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 03:56:23,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 03:56:23,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 03:56:23,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 03:56:23,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 03:56:23,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 03:56:23,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-10 03:56:23,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 03:56:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-10 03:56:23,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-10 03:56:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-10 03:56:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-10 03:56:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 03:56:23,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 03:56:23,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 03:56:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 03:56:23,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-10 03:56:23,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-10 03:56:23,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-10 03:56:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-10 03:56:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-10 03:56:23,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-10 03:56:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 03:56:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-10 03:56:23,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-10 03:56:23,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-10 03:56:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-10 03:56:23,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-10 03:56:23,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-10 03:56:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-10 03:56:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-10 03:56:23,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,502 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 147 proven. 18 refuted. 0 times theorem prover too weak. 5995 trivial. 0 not checked. [2024-11-10 03:56:23,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 03:56:23,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90449709] [2024-11-10 03:56:23,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90449709] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 03:56:23,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833520367] [2024-11-10 03:56:23,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:56:23,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 03:56:23,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 03:56:23,507 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 03:56:23,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 03:56:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:23,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-10 03:56:23,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 03:56:24,016 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 1329 proven. 18 refuted. 0 times theorem prover too weak. 4813 trivial. 0 not checked. [2024-11-10 03:56:24,016 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 03:56:24,433 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 147 proven. 18 refuted. 0 times theorem prover too weak. 5995 trivial. 0 not checked. [2024-11-10 03:56:24,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833520367] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 03:56:24,434 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 03:56:24,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2024-11-10 03:56:24,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685114124] [2024-11-10 03:56:24,434 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 03:56:24,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 03:56:24,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 03:56:24,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 03:56:24,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-10 03:56:24,437 INFO L87 Difference]: Start difference. First operand 616 states and 971 transitions. Second operand has 14 states, 14 states have (on average 8.285714285714286) internal successors, (116), 14 states have internal predecessors, (116), 3 states have call successors, (68), 2 states have call predecessors, (68), 4 states have return successors, (69), 3 states have call predecessors, (69), 3 states have call successors, (69) [2024-11-10 03:56:26,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 03:56:26,926 INFO L93 Difference]: Finished difference Result 3165 states and 4932 transitions. [2024-11-10 03:56:26,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-10 03:56:26,926 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.285714285714286) internal successors, (116), 14 states have internal predecessors, (116), 3 states have call successors, (68), 2 states have call predecessors, (68), 4 states have return successors, (69), 3 states have call predecessors, (69), 3 states have call successors, (69) Word has length 350 [2024-11-10 03:56:26,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 03:56:26,943 INFO L225 Difference]: With dead ends: 3165 [2024-11-10 03:56:26,943 INFO L226 Difference]: Without dead ends: 2552 [2024-11-10 03:56:26,948 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 852 GetRequests, 809 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 383 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=435, Invalid=1457, Unknown=0, NotChecked=0, Total=1892 [2024-11-10 03:56:26,949 INFO L432 NwaCegarLoop]: 255 mSDtfsCounter, 1386 mSDsluCounter, 1474 mSDsCounter, 0 mSdLazyCounter, 1704 mSolverCounterSat, 584 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1484 SdHoareTripleChecker+Valid, 1729 SdHoareTripleChecker+Invalid, 2288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 584 IncrementalHoareTripleChecker+Valid, 1704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-10 03:56:26,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1484 Valid, 1729 Invalid, 2288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [584 Valid, 1704 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-10 03:56:26,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2552 states. [2024-11-10 03:56:27,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2552 to 1201. [2024-11-10 03:56:27,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1201 states, 772 states have (on average 1.3898963730569949) internal successors, (1073), 786 states have internal predecessors, (1073), 410 states have call successors, (410), 18 states have call predecessors, (410), 18 states have return successors, (410), 396 states have call predecessors, (410), 410 states have call successors, (410) [2024-11-10 03:56:27,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 1201 states and 1893 transitions. [2024-11-10 03:56:27,131 INFO L78 Accepts]: Start accepts. Automaton has 1201 states and 1893 transitions. Word has length 350 [2024-11-10 03:56:27,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 03:56:27,132 INFO L471 AbstractCegarLoop]: Abstraction has 1201 states and 1893 transitions. [2024-11-10 03:56:27,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.285714285714286) internal successors, (116), 14 states have internal predecessors, (116), 3 states have call successors, (68), 2 states have call predecessors, (68), 4 states have return successors, (69), 3 states have call predecessors, (69), 3 states have call successors, (69) [2024-11-10 03:56:27,133 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1893 transitions. [2024-11-10 03:56:27,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2024-11-10 03:56:27,138 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 03:56:27,138 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 03:56:27,157 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 03:56:27,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 03:56:27,339 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 03:56:27,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 03:56:27,340 INFO L85 PathProgramCache]: Analyzing trace with hash 803356097, now seen corresponding path program 1 times [2024-11-10 03:56:27,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 03:56:27,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671938140] [2024-11-10 03:56:27,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:56:27,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 03:56:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 03:56:28,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 03:56:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 03:56:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 03:56:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 03:56:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 03:56:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 03:56:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 03:56:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 03:56:28,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 03:56:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 03:56:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 03:56:28,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 03:56:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 03:56:28,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 03:56:28,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 03:56:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 03:56:28,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 03:56:28,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 03:56:28,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 03:56:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 03:56:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 03:56:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 03:56:28,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 03:56:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 03:56:28,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 03:56:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 03:56:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 03:56:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 03:56:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 03:56:28,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 03:56:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-10 03:56:28,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 03:56:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-10 03:56:28,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-10 03:56:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-10 03:56:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-10 03:56:28,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 03:56:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 03:56:28,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 03:56:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 03:56:28,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-10 03:56:28,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-10 03:56:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-10 03:56:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-10 03:56:28,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-10 03:56:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-10 03:56:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 03:56:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-10 03:56:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-10 03:56:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-10 03:56:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-10 03:56:28,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-10 03:56:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-10 03:56:28,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-10 03:56:28,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-10 03:56:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:28,456 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-11-10 03:56:28,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 03:56:28,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671938140] [2024-11-10 03:56:28,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671938140] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 03:56:28,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 03:56:28,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 03:56:28,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855648257] [2024-11-10 03:56:28,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 03:56:28,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 03:56:28,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 03:56:28,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 03:56:28,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-10 03:56:28,459 INFO L87 Difference]: Start difference. First operand 1201 states and 1893 transitions. Second operand has 13 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 13 states have internal predecessors, (74), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-10 03:56:29,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 03:56:29,908 INFO L93 Difference]: Finished difference Result 3382 states and 5294 transitions. [2024-11-10 03:56:29,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 03:56:29,909 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 13 states have internal predecessors, (74), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) Word has length 351 [2024-11-10 03:56:29,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 03:56:29,925 INFO L225 Difference]: With dead ends: 3382 [2024-11-10 03:56:29,925 INFO L226 Difference]: Without dead ends: 2184 [2024-11-10 03:56:29,932 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2024-11-10 03:56:29,933 INFO L432 NwaCegarLoop]: 289 mSDtfsCounter, 617 mSDsluCounter, 2445 mSDsCounter, 0 mSdLazyCounter, 1063 mSolverCounterSat, 264 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 617 SdHoareTripleChecker+Valid, 2734 SdHoareTripleChecker+Invalid, 1327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 264 IncrementalHoareTripleChecker+Valid, 1063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 03:56:29,933 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [617 Valid, 2734 Invalid, 1327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [264 Valid, 1063 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 03:56:29,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2184 states. [2024-11-10 03:56:30,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2184 to 1755. [2024-11-10 03:56:30,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1755 states, 1156 states have (on average 1.4013840830449826) internal successors, (1620), 1179 states have internal predecessors, (1620), 568 states have call successors, (568), 30 states have call predecessors, (568), 30 states have return successors, (568), 545 states have call predecessors, (568), 568 states have call successors, (568) [2024-11-10 03:56:30,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1755 states to 1755 states and 2756 transitions. [2024-11-10 03:56:30,106 INFO L78 Accepts]: Start accepts. Automaton has 1755 states and 2756 transitions. Word has length 351 [2024-11-10 03:56:30,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 03:56:30,107 INFO L471 AbstractCegarLoop]: Abstraction has 1755 states and 2756 transitions. [2024-11-10 03:56:30,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 13 states have internal predecessors, (74), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-10 03:56:30,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1755 states and 2756 transitions. [2024-11-10 03:56:30,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2024-11-10 03:56:30,114 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 03:56:30,114 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 03:56:30,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 03:56:30,114 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 03:56:30,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 03:56:30,115 INFO L85 PathProgramCache]: Analyzing trace with hash -129740252, now seen corresponding path program 1 times [2024-11-10 03:56:30,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 03:56:30,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886255956] [2024-11-10 03:56:30,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:56:30,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 03:56:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:30,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 03:56:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:30,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 03:56:30,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:30,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 03:56:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:30,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 03:56:30,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:30,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 03:56:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:30,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 03:56:30,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:30,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 03:56:30,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:30,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 03:56:30,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:30,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 03:56:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:30,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 03:56:30,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:30,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 03:56:30,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:30,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 03:56:30,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:30,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 03:56:30,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:30,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 03:56:30,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:30,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 03:56:30,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:30,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 03:56:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:30,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 03:56:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:30,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 03:56:30,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:30,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 03:56:30,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:30,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 03:56:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:30,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 03:56:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:30,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 03:56:30,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:30,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 03:56:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:30,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 03:56:30,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:30,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 03:56:30,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:30,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 03:56:30,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:30,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 03:56:30,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:30,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 03:56:30,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:30,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 03:56:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:30,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 03:56:30,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:30,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 03:56:30,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:30,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-10 03:56:30,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:30,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 03:56:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:30,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-10 03:56:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:30,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-10 03:56:30,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:30,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-10 03:56:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:31,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-10 03:56:31,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:31,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 03:56:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:31,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 03:56:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:31,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 03:56:31,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:31,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 03:56:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:31,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-10 03:56:31,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:31,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-10 03:56:31,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:31,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-10 03:56:31,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:31,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-10 03:56:31,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:31,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-10 03:56:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:31,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-10 03:56:31,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:31,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 03:56:31,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:31,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-10 03:56:31,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:31,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-10 03:56:31,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:31,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-10 03:56:31,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:31,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-10 03:56:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:31,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-10 03:56:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:31,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-10 03:56:31,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:31,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-10 03:56:31,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:31,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-10 03:56:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:31,137 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 324 proven. 153 refuted. 0 times theorem prover too weak. 5683 trivial. 0 not checked. [2024-11-10 03:56:31,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 03:56:31,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886255956] [2024-11-10 03:56:31,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886255956] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 03:56:31,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089643066] [2024-11-10 03:56:31,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:56:31,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 03:56:31,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 03:56:31,142 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 03:56:31,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 03:56:31,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:31,357 INFO L255 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-10 03:56:31,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 03:56:32,296 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 3110 proven. 153 refuted. 0 times theorem prover too weak. 2897 trivial. 0 not checked. [2024-11-10 03:56:32,299 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 03:56:33,924 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 324 proven. 162 refuted. 0 times theorem prover too weak. 5674 trivial. 0 not checked. [2024-11-10 03:56:33,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1089643066] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 03:56:33,927 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 03:56:33,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13, 13] total 25 [2024-11-10 03:56:33,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338737975] [2024-11-10 03:56:33,928 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 03:56:33,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-10 03:56:33,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 03:56:33,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-10 03:56:33,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=468, Unknown=0, NotChecked=0, Total=600 [2024-11-10 03:56:33,930 INFO L87 Difference]: Start difference. First operand 1755 states and 2756 transitions. Second operand has 25 states, 25 states have (on average 5.48) internal successors, (137), 25 states have internal predecessors, (137), 8 states have call successors, (96), 4 states have call predecessors, (96), 10 states have return successors, (97), 8 states have call predecessors, (97), 8 states have call successors, (97) [2024-11-10 03:56:35,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 03:56:35,891 INFO L93 Difference]: Finished difference Result 4385 states and 6761 transitions. [2024-11-10 03:56:35,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-10 03:56:35,892 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 5.48) internal successors, (137), 25 states have internal predecessors, (137), 8 states have call successors, (96), 4 states have call predecessors, (96), 10 states have return successors, (97), 8 states have call predecessors, (97), 8 states have call successors, (97) Word has length 351 [2024-11-10 03:56:35,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 03:56:35,909 INFO L225 Difference]: With dead ends: 4385 [2024-11-10 03:56:35,909 INFO L226 Difference]: Without dead ends: 2650 [2024-11-10 03:56:35,915 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 848 GetRequests, 804 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 412 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=607, Invalid=1463, Unknown=0, NotChecked=0, Total=2070 [2024-11-10 03:56:35,916 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 1429 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 1055 mSolverCounterSat, 613 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1429 SdHoareTripleChecker+Valid, 827 SdHoareTripleChecker+Invalid, 1668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 613 IncrementalHoareTripleChecker+Valid, 1055 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 03:56:35,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1429 Valid, 827 Invalid, 1668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [613 Valid, 1055 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 03:56:35,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2650 states. [2024-11-10 03:56:36,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2650 to 1450. [2024-11-10 03:56:36,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1450 states, 1028 states have (on average 1.4105058365758756) internal successors, (1450), 1041 states have internal predecessors, (1450), 386 states have call successors, (386), 35 states have call predecessors, (386), 35 states have return successors, (386), 373 states have call predecessors, (386), 386 states have call successors, (386) [2024-11-10 03:56:36,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1450 states and 2222 transitions. [2024-11-10 03:56:36,144 INFO L78 Accepts]: Start accepts. Automaton has 1450 states and 2222 transitions. Word has length 351 [2024-11-10 03:56:36,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 03:56:36,145 INFO L471 AbstractCegarLoop]: Abstraction has 1450 states and 2222 transitions. [2024-11-10 03:56:36,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 5.48) internal successors, (137), 25 states have internal predecessors, (137), 8 states have call successors, (96), 4 states have call predecessors, (96), 10 states have return successors, (97), 8 states have call predecessors, (97), 8 states have call successors, (97) [2024-11-10 03:56:36,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states and 2222 transitions. [2024-11-10 03:56:36,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2024-11-10 03:56:36,148 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 03:56:36,148 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 03:56:36,169 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-10 03:56:36,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-10 03:56:36,350 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 03:56:36,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 03:56:36,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1764970114, now seen corresponding path program 1 times [2024-11-10 03:56:36,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 03:56:36,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301494917] [2024-11-10 03:56:36,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:56:36,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 03:56:36,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 03:56:38,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 03:56:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 03:56:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 03:56:38,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 03:56:38,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 03:56:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 03:56:38,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 03:56:38,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 03:56:38,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 03:56:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 03:56:38,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 03:56:38,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 03:56:38,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 03:56:38,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 03:56:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 03:56:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 03:56:38,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 03:56:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 03:56:38,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 03:56:38,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 03:56:38,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 03:56:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 03:56:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 03:56:38,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 03:56:38,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 03:56:38,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 03:56:38,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 03:56:38,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 03:56:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 03:56:38,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 03:56:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-10 03:56:38,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 03:56:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-10 03:56:38,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-10 03:56:38,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-10 03:56:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-10 03:56:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 03:56:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 03:56:38,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 03:56:38,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 03:56:38,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-10 03:56:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-10 03:56:38,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-10 03:56:38,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-10 03:56:38,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-10 03:56:38,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-10 03:56:38,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 03:56:38,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-10 03:56:38,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-10 03:56:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-10 03:56:38,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-10 03:56:38,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-10 03:56:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-10 03:56:38,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-10 03:56:38,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-10 03:56:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,587 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 105 proven. 60 refuted. 0 times theorem prover too weak. 5995 trivial. 0 not checked. [2024-11-10 03:56:38,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 03:56:38,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301494917] [2024-11-10 03:56:38,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301494917] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 03:56:38,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1013209922] [2024-11-10 03:56:38,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:56:38,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 03:56:38,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 03:56:38,590 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 03:56:38,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 03:56:38,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:56:38,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-10 03:56:38,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 03:56:40,328 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 3110 proven. 78 refuted. 0 times theorem prover too weak. 2972 trivial. 0 not checked. [2024-11-10 03:56:40,328 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 03:56:41,903 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 147 proven. 18 refuted. 0 times theorem prover too weak. 5995 trivial. 0 not checked. [2024-11-10 03:56:41,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1013209922] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 03:56:41,903 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 03:56:41,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 20, 15] total 48 [2024-11-10 03:56:41,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596974435] [2024-11-10 03:56:41,904 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 03:56:41,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-10 03:56:41,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 03:56:41,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-10 03:56:41,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=288, Invalid=1968, Unknown=0, NotChecked=0, Total=2256 [2024-11-10 03:56:41,910 INFO L87 Difference]: Start difference. First operand 1450 states and 2222 transitions. Second operand has 48 states, 48 states have (on average 3.25) internal successors, (156), 47 states have internal predecessors, (156), 7 states have call successors, (94), 4 states have call predecessors, (94), 7 states have return successors, (96), 7 states have call predecessors, (96), 7 states have call successors, (96) [2024-11-10 03:57:03,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 03:57:03,483 INFO L93 Difference]: Finished difference Result 6990 states and 10559 transitions. [2024-11-10 03:57:03,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-11-10 03:57:03,484 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 48 states have (on average 3.25) internal successors, (156), 47 states have internal predecessors, (156), 7 states have call successors, (94), 4 states have call predecessors, (94), 7 states have return successors, (96), 7 states have call predecessors, (96), 7 states have call successors, (96) Word has length 351 [2024-11-10 03:57:03,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 03:57:03,519 INFO L225 Difference]: With dead ends: 6990 [2024-11-10 03:57:03,519 INFO L226 Difference]: Without dead ends: 5579 [2024-11-10 03:57:03,532 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 956 GetRequests, 807 SyntacticMatches, 0 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6594 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=4818, Invalid=17832, Unknown=0, NotChecked=0, Total=22650 [2024-11-10 03:57:03,533 INFO L432 NwaCegarLoop]: 757 mSDtfsCounter, 2751 mSDsluCounter, 9086 mSDsCounter, 0 mSdLazyCounter, 12043 mSolverCounterSat, 1789 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2751 SdHoareTripleChecker+Valid, 9843 SdHoareTripleChecker+Invalid, 13832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1789 IncrementalHoareTripleChecker+Valid, 12043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2024-11-10 03:57:03,534 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2751 Valid, 9843 Invalid, 13832 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1789 Valid, 12043 Invalid, 0 Unknown, 0 Unchecked, 11.0s Time] [2024-11-10 03:57:03,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5579 states. [2024-11-10 03:57:03,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5579 to 829. [2024-11-10 03:57:03,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 829 states, 635 states have (on average 1.4251968503937007) internal successors, (905), 639 states have internal predecessors, (905), 170 states have call successors, (170), 23 states have call predecessors, (170), 23 states have return successors, (170), 166 states have call predecessors, (170), 170 states have call successors, (170) [2024-11-10 03:57:03,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 1245 transitions. [2024-11-10 03:57:03,814 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 1245 transitions. Word has length 351 [2024-11-10 03:57:03,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 03:57:03,815 INFO L471 AbstractCegarLoop]: Abstraction has 829 states and 1245 transitions. [2024-11-10 03:57:03,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 3.25) internal successors, (156), 47 states have internal predecessors, (156), 7 states have call successors, (94), 4 states have call predecessors, (94), 7 states have return successors, (96), 7 states have call predecessors, (96), 7 states have call successors, (96) [2024-11-10 03:57:03,815 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1245 transitions. [2024-11-10 03:57:03,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2024-11-10 03:57:03,818 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 03:57:03,818 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 03:57:03,837 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 03:57:04,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 03:57:04,019 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 03:57:04,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 03:57:04,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1993779926, now seen corresponding path program 1 times [2024-11-10 03:57:04,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 03:57:04,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656439790] [2024-11-10 03:57:04,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:57:04,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 03:57:04,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:04,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 03:57:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:04,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 03:57:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:04,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 03:57:04,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:04,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 03:57:04,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:04,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 03:57:04,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:04,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 03:57:04,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:04,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 03:57:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:04,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 03:57:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:04,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 03:57:04,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:04,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 03:57:04,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:04,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 03:57:04,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:04,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 03:57:04,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:04,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 03:57:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:04,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 03:57:04,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:04,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 03:57:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:04,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 03:57:04,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:04,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 03:57:04,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:04,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 03:57:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:04,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 03:57:04,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:04,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 03:57:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:04,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 03:57:04,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:04,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 03:57:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:04,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 03:57:04,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:04,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 03:57:04,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:04,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 03:57:04,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:04,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 03:57:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:04,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 03:57:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:04,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 03:57:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:04,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 03:57:04,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:04,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 03:57:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:04,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 03:57:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:04,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-10 03:57:04,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:04,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 03:57:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:04,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-10 03:57:04,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:04,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-10 03:57:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:04,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-10 03:57:05,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:05,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-10 03:57:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:05,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 03:57:05,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:05,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 03:57:05,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:05,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 03:57:05,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:05,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 03:57:05,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:05,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-10 03:57:05,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:05,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-10 03:57:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:05,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-10 03:57:05,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:05,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-10 03:57:05,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:05,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-10 03:57:05,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:05,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-10 03:57:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:05,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 03:57:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:05,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-10 03:57:05,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:05,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-10 03:57:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:05,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-10 03:57:05,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:05,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-10 03:57:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:05,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-10 03:57:05,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:05,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-10 03:57:05,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:05,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-10 03:57:05,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:05,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-10 03:57:05,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:05,151 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 324 proven. 153 refuted. 0 times theorem prover too weak. 5683 trivial. 0 not checked. [2024-11-10 03:57:05,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 03:57:05,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656439790] [2024-11-10 03:57:05,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656439790] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 03:57:05,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206289395] [2024-11-10 03:57:05,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:57:05,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 03:57:05,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 03:57:05,154 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 03:57:05,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 03:57:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:05,385 INFO L255 TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-10 03:57:05,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 03:57:06,238 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 3110 proven. 153 refuted. 0 times theorem prover too weak. 2897 trivial. 0 not checked. [2024-11-10 03:57:06,239 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 03:57:07,503 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 324 proven. 162 refuted. 0 times theorem prover too weak. 5674 trivial. 0 not checked. [2024-11-10 03:57:07,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [206289395] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 03:57:07,504 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 03:57:07,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13, 13] total 27 [2024-11-10 03:57:07,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948670770] [2024-11-10 03:57:07,504 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 03:57:07,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-10 03:57:07,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 03:57:07,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-10 03:57:07,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=539, Unknown=0, NotChecked=0, Total=702 [2024-11-10 03:57:07,507 INFO L87 Difference]: Start difference. First operand 829 states and 1245 transitions. Second operand has 27 states, 27 states have (on average 5.185185185185185) internal successors, (140), 27 states have internal predecessors, (140), 8 states have call successors, (96), 4 states have call predecessors, (96), 10 states have return successors, (97), 8 states have call predecessors, (97), 8 states have call successors, (97) [2024-11-10 03:57:09,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 03:57:09,756 INFO L93 Difference]: Finished difference Result 2015 states and 3028 transitions. [2024-11-10 03:57:09,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-10 03:57:09,757 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 5.185185185185185) internal successors, (140), 27 states have internal predecessors, (140), 8 states have call successors, (96), 4 states have call predecessors, (96), 10 states have return successors, (97), 8 states have call predecessors, (97), 8 states have call successors, (97) Word has length 352 [2024-11-10 03:57:09,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 03:57:09,767 INFO L225 Difference]: With dead ends: 2015 [2024-11-10 03:57:09,768 INFO L226 Difference]: Without dead ends: 1489 [2024-11-10 03:57:09,770 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 842 GetRequests, 801 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 408 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=536, Invalid=1270, Unknown=0, NotChecked=0, Total=1806 [2024-11-10 03:57:09,772 INFO L432 NwaCegarLoop]: 265 mSDtfsCounter, 1274 mSDsluCounter, 1637 mSDsCounter, 0 mSdLazyCounter, 1703 mSolverCounterSat, 798 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1308 SdHoareTripleChecker+Valid, 1902 SdHoareTripleChecker+Invalid, 2501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 798 IncrementalHoareTripleChecker+Valid, 1703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-10 03:57:09,772 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1308 Valid, 1902 Invalid, 2501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [798 Valid, 1703 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-10 03:57:09,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1489 states. [2024-11-10 03:57:09,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1489 to 825. [2024-11-10 03:57:09,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 825 states, 631 states have (on average 1.4247226624405704) internal successors, (899), 635 states have internal predecessors, (899), 170 states have call successors, (170), 23 states have call predecessors, (170), 23 states have return successors, (170), 166 states have call predecessors, (170), 170 states have call successors, (170) [2024-11-10 03:57:09,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 825 states and 1239 transitions. [2024-11-10 03:57:09,970 INFO L78 Accepts]: Start accepts. Automaton has 825 states and 1239 transitions. Word has length 352 [2024-11-10 03:57:09,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 03:57:09,971 INFO L471 AbstractCegarLoop]: Abstraction has 825 states and 1239 transitions. [2024-11-10 03:57:09,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.185185185185185) internal successors, (140), 27 states have internal predecessors, (140), 8 states have call successors, (96), 4 states have call predecessors, (96), 10 states have return successors, (97), 8 states have call predecessors, (97), 8 states have call successors, (97) [2024-11-10 03:57:09,971 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1239 transitions. [2024-11-10 03:57:09,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2024-11-10 03:57:09,974 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 03:57:09,974 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 03:57:09,997 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-10 03:57:10,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 03:57:10,175 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 03:57:10,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 03:57:10,176 INFO L85 PathProgramCache]: Analyzing trace with hash -16323915, now seen corresponding path program 1 times [2024-11-10 03:57:10,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 03:57:10,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356455843] [2024-11-10 03:57:10,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:57:10,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 03:57:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 03:57:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 03:57:10,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 03:57:10,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 03:57:10,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 03:57:10,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 03:57:10,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 03:57:10,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 03:57:10,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 03:57:10,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 03:57:10,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 03:57:10,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 03:57:10,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 03:57:10,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 03:57:10,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 03:57:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 03:57:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 03:57:10,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 03:57:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 03:57:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 03:57:10,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 03:57:10,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 03:57:10,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 03:57:10,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 03:57:10,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 03:57:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 03:57:10,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 03:57:10,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 03:57:10,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 03:57:10,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 03:57:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 03:57:10,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-10 03:57:10,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 03:57:10,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-10 03:57:10,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-10 03:57:10,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-10 03:57:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-10 03:57:10,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 03:57:10,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 03:57:10,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 03:57:10,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 03:57:10,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-10 03:57:10,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-10 03:57:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-10 03:57:10,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-10 03:57:10,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-10 03:57:10,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-10 03:57:10,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 03:57:10,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-10 03:57:10,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-10 03:57:10,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-10 03:57:10,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-10 03:57:10,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-10 03:57:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-10 03:57:10,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-10 03:57:10,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-10 03:57:10,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,738 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 96 proven. 69 refuted. 0 times theorem prover too weak. 5995 trivial. 0 not checked. [2024-11-10 03:57:10,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 03:57:10,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356455843] [2024-11-10 03:57:10,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356455843] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 03:57:10,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [867747610] [2024-11-10 03:57:10,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:57:10,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 03:57:10,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 03:57:10,741 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 03:57:10,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 03:57:10,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:10,971 INFO L255 TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 03:57:10,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 03:57:11,228 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 3063 proven. 69 refuted. 0 times theorem prover too weak. 3028 trivial. 0 not checked. [2024-11-10 03:57:11,229 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 03:57:11,560 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 96 proven. 69 refuted. 0 times theorem prover too weak. 5995 trivial. 0 not checked. [2024-11-10 03:57:11,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [867747610] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 03:57:11,561 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 03:57:11,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-11-10 03:57:11,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577910401] [2024-11-10 03:57:11,561 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 03:57:11,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 03:57:11,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 03:57:11,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 03:57:11,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-10 03:57:11,563 INFO L87 Difference]: Start difference. First operand 825 states and 1239 transitions. Second operand has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 2 states have call successors, (79), 2 states have call predecessors, (79), 4 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) [2024-11-10 03:57:12,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 03:57:12,716 INFO L93 Difference]: Finished difference Result 2325 states and 3467 transitions. [2024-11-10 03:57:12,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-10 03:57:12,717 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 2 states have call successors, (79), 2 states have call predecessors, (79), 4 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) Word has length 352 [2024-11-10 03:57:12,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 03:57:12,727 INFO L225 Difference]: With dead ends: 2325 [2024-11-10 03:57:12,728 INFO L226 Difference]: Without dead ends: 1803 [2024-11-10 03:57:12,730 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 834 GetRequests, 811 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=170, Invalid=382, Unknown=0, NotChecked=0, Total=552 [2024-11-10 03:57:12,731 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 929 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 443 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1018 SdHoareTripleChecker+Valid, 890 SdHoareTripleChecker+Invalid, 1013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 443 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 03:57:12,731 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1018 Valid, 890 Invalid, 1013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [443 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 03:57:12,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1803 states. [2024-11-10 03:57:12,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1803 to 1281. [2024-11-10 03:57:12,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1281 states, 970 states have (on average 1.407216494845361) internal successors, (1365), 977 states have internal predecessors, (1365), 272 states have call successors, (272), 38 states have call predecessors, (272), 38 states have return successors, (272), 265 states have call predecessors, (272), 272 states have call successors, (272) [2024-11-10 03:57:12,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 1281 states and 1909 transitions. [2024-11-10 03:57:12,990 INFO L78 Accepts]: Start accepts. Automaton has 1281 states and 1909 transitions. Word has length 352 [2024-11-10 03:57:12,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 03:57:12,991 INFO L471 AbstractCegarLoop]: Abstraction has 1281 states and 1909 transitions. [2024-11-10 03:57:12,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 10 states have internal predecessors, (92), 2 states have call successors, (79), 2 states have call predecessors, (79), 4 states have return successors, (80), 2 states have call predecessors, (80), 2 states have call successors, (80) [2024-11-10 03:57:12,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1909 transitions. [2024-11-10 03:57:12,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2024-11-10 03:57:12,994 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 03:57:12,994 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 03:57:13,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-10 03:57:13,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-10 03:57:13,195 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 03:57:13,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 03:57:13,196 INFO L85 PathProgramCache]: Analyzing trace with hash 676777782, now seen corresponding path program 1 times [2024-11-10 03:57:13,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 03:57:13,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204609909] [2024-11-10 03:57:13,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:57:13,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 03:57:13,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 03:57:14,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 03:57:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 03:57:14,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 03:57:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 03:57:14,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 03:57:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 03:57:14,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 03:57:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 03:57:14,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 03:57:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 03:57:14,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 03:57:14,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 03:57:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 03:57:14,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 03:57:14,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 03:57:14,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 03:57:14,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 03:57:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 03:57:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 03:57:14,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 03:57:14,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 03:57:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 03:57:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 03:57:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 03:57:14,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 03:57:14,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 03:57:14,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 03:57:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 03:57:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 03:57:14,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 03:57:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-10 03:57:14,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 03:57:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-10 03:57:14,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-10 03:57:14,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-10 03:57:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-10 03:57:14,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 03:57:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 03:57:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 03:57:14,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 03:57:14,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-10 03:57:14,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-10 03:57:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-10 03:57:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-10 03:57:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-10 03:57:14,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-10 03:57:14,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 03:57:14,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-10 03:57:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-10 03:57:14,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-10 03:57:14,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-10 03:57:14,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-10 03:57:14,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-10 03:57:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-10 03:57:14,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-10 03:57:14,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,222 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 324 proven. 153 refuted. 0 times theorem prover too weak. 5683 trivial. 0 not checked. [2024-11-10 03:57:14,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 03:57:14,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204609909] [2024-11-10 03:57:14,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204609909] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 03:57:14,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [711622009] [2024-11-10 03:57:14,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:57:14,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 03:57:14,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 03:57:14,225 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 03:57:14,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 03:57:14,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:14,447 INFO L255 TraceCheckSpWp]: Trace formula consists of 781 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-10 03:57:14,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 03:57:15,635 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 3110 proven. 153 refuted. 0 times theorem prover too weak. 2897 trivial. 0 not checked. [2024-11-10 03:57:15,635 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 03:57:18,790 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 324 proven. 162 refuted. 0 times theorem prover too weak. 5674 trivial. 0 not checked. [2024-11-10 03:57:18,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [711622009] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 03:57:18,790 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 03:57:18,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 16, 17] total 36 [2024-11-10 03:57:18,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97927362] [2024-11-10 03:57:18,790 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 03:57:18,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-10 03:57:18,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 03:57:18,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-10 03:57:18,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=246, Invalid=1014, Unknown=0, NotChecked=0, Total=1260 [2024-11-10 03:57:18,793 INFO L87 Difference]: Start difference. First operand 1281 states and 1909 transitions. Second operand has 36 states, 36 states have (on average 4.444444444444445) internal successors, (160), 36 states have internal predecessors, (160), 8 states have call successors, (96), 4 states have call predecessors, (96), 10 states have return successors, (97), 8 states have call predecessors, (97), 8 states have call successors, (97) [2024-11-10 03:57:23,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 03:57:23,514 INFO L93 Difference]: Finished difference Result 4104 states and 6065 transitions. [2024-11-10 03:57:23,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-10 03:57:23,515 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 4.444444444444445) internal successors, (160), 36 states have internal predecessors, (160), 8 states have call successors, (96), 4 states have call predecessors, (96), 10 states have return successors, (97), 8 states have call predecessors, (97), 8 states have call successors, (97) Word has length 352 [2024-11-10 03:57:23,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 03:57:23,530 INFO L225 Difference]: With dead ends: 4104 [2024-11-10 03:57:23,530 INFO L226 Difference]: Without dead ends: 2826 [2024-11-10 03:57:23,534 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 873 GetRequests, 798 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1388 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1451, Invalid=4401, Unknown=0, NotChecked=0, Total=5852 [2024-11-10 03:57:23,535 INFO L432 NwaCegarLoop]: 309 mSDtfsCounter, 1411 mSDsluCounter, 1545 mSDsCounter, 0 mSdLazyCounter, 2910 mSolverCounterSat, 847 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1445 SdHoareTripleChecker+Valid, 1854 SdHoareTripleChecker+Invalid, 3757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 847 IncrementalHoareTripleChecker+Valid, 2910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-10 03:57:23,535 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1445 Valid, 1854 Invalid, 3757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [847 Valid, 2910 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-10 03:57:23,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2826 states. [2024-11-10 03:57:23,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2826 to 1347. [2024-11-10 03:57:23,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1347 states, 995 states have (on average 1.3959798994974875) internal successors, (1389), 1004 states have internal predecessors, (1389), 310 states have call successors, (310), 41 states have call predecessors, (310), 41 states have return successors, (310), 301 states have call predecessors, (310), 310 states have call successors, (310) [2024-11-10 03:57:23,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1347 states and 2009 transitions. [2024-11-10 03:57:23,898 INFO L78 Accepts]: Start accepts. Automaton has 1347 states and 2009 transitions. Word has length 352 [2024-11-10 03:57:23,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 03:57:23,899 INFO L471 AbstractCegarLoop]: Abstraction has 1347 states and 2009 transitions. [2024-11-10 03:57:23,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 4.444444444444445) internal successors, (160), 36 states have internal predecessors, (160), 8 states have call successors, (96), 4 states have call predecessors, (96), 10 states have return successors, (97), 8 states have call predecessors, (97), 8 states have call successors, (97) [2024-11-10 03:57:23,899 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 2009 transitions. [2024-11-10 03:57:23,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2024-11-10 03:57:23,902 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 03:57:23,902 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 03:57:23,922 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 03:57:24,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 03:57:24,107 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 03:57:24,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 03:57:24,107 INFO L85 PathProgramCache]: Analyzing trace with hash -915210202, now seen corresponding path program 1 times [2024-11-10 03:57:24,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 03:57:24,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224984104] [2024-11-10 03:57:24,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:57:24,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 03:57:24,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 03:57:24,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 03:57:24,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 03:57:24,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 03:57:24,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 03:57:24,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 03:57:24,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 03:57:24,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 03:57:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 03:57:24,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 03:57:24,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 03:57:24,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 03:57:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 03:57:24,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 03:57:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 03:57:24,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 03:57:24,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 03:57:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-10 03:57:24,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 03:57:24,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 03:57:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-10 03:57:24,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 03:57:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 03:57:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 03:57:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 03:57:24,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-10 03:57:24,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 03:57:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-10 03:57:24,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-10 03:57:24,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-10 03:57:24,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-10 03:57:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-10 03:57:24,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-10 03:57:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-10 03:57:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-10 03:57:24,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-10 03:57:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-11-10 03:57:24,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-10 03:57:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-10 03:57:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 03:57:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 03:57:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-10 03:57:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-11-10 03:57:24,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-11-10 03:57:24,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-11-10 03:57:24,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-11-10 03:57:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-10 03:57:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-11-10 03:57:24,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2024-11-10 03:57:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-10 03:57:24,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2024-11-10 03:57:24,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2024-11-10 03:57:24,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-11-10 03:57:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2024-11-10 03:57:24,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-10 03:57:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-10 03:57:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 03:57:24,793 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2024-11-10 03:57:24,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 03:57:24,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224984104] [2024-11-10 03:57:24,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224984104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 03:57:24,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 03:57:24,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 03:57:24,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55864556] [2024-11-10 03:57:24,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 03:57:24,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 03:57:24,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 03:57:24,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 03:57:24,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-10 03:57:24,796 INFO L87 Difference]: Start difference. First operand 1347 states and 2009 transitions. Second operand has 10 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-10 03:57:26,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 03:57:26,058 INFO L93 Difference]: Finished difference Result 3679 states and 5519 transitions. [2024-11-10 03:57:26,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 03:57:26,058 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) Word has length 352 [2024-11-10 03:57:26,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 03:57:26,070 INFO L225 Difference]: With dead ends: 3679 [2024-11-10 03:57:26,070 INFO L226 Difference]: Without dead ends: 2302 [2024-11-10 03:57:26,073 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-10 03:57:26,074 INFO L432 NwaCegarLoop]: 385 mSDtfsCounter, 502 mSDsluCounter, 1974 mSDsCounter, 0 mSdLazyCounter, 699 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 502 SdHoareTripleChecker+Valid, 2359 SdHoareTripleChecker+Invalid, 875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 03:57:26,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [502 Valid, 2359 Invalid, 875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 699 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 03:57:26,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2302 states. [2024-11-10 03:57:26,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2302 to 1356. [2024-11-10 03:57:26,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1356 states, 1004 states have (on average 1.3904382470119523) internal successors, (1396), 1013 states have internal predecessors, (1396), 310 states have call successors, (310), 41 states have call predecessors, (310), 41 states have return successors, (310), 301 states have call predecessors, (310), 310 states have call successors, (310) [2024-11-10 03:57:26,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 1356 states and 2016 transitions. [2024-11-10 03:57:26,437 INFO L78 Accepts]: Start accepts. Automaton has 1356 states and 2016 transitions. Word has length 352 [2024-11-10 03:57:26,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 03:57:26,437 INFO L471 AbstractCegarLoop]: Abstraction has 1356 states and 2016 transitions. [2024-11-10 03:57:26,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 1 states have call successors, (56), 1 states have call predecessors, (56), 1 states have return successors, (56), 1 states have call predecessors, (56), 1 states have call successors, (56) [2024-11-10 03:57:26,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1356 states and 2016 transitions. [2024-11-10 03:57:26,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2024-11-10 03:57:26,440 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 03:57:26,440 INFO L215 NwaCegarLoop]: trace histogram [56, 56, 56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 03:57:26,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 03:57:26,440 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 03:57:26,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 03:57:26,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1703770883, now seen corresponding path program 1 times [2024-11-10 03:57:26,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 03:57:26,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45937190] [2024-11-10 03:57:26,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:57:26,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 03:57:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-10 03:57:26,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1422506066] [2024-11-10 03:57:26,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 03:57:26,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 03:57:26,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 03:57:26,539 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 03:57:26,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process