./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.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 e22f36fcb48e37029a5451272d2b65f2136f0249698c819249f45360edf16ac5 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 05:07:33,595 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 05:07:33,698 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 05:07:33,703 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 05:07:33,704 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 05:07:33,731 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 05:07:33,734 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 05:07:33,734 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 05:07:33,735 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 05:07:33,736 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 05:07:33,736 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 05:07:33,737 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 05:07:33,737 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 05:07:33,737 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 05:07:33,739 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 05:07:33,740 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 05:07:33,740 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 05:07:33,740 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 05:07:33,741 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 05:07:33,741 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 05:07:33,741 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 05:07:33,742 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 05:07:33,742 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 05:07:33,742 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 05:07:33,743 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 05:07:33,743 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 05:07:33,743 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 05:07:33,743 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 05:07:33,744 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 05:07:33,744 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 05:07:33,744 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 05:07:33,745 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 05:07:33,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 05:07:33,745 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 05:07:33,746 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 05:07:33,746 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 05:07:33,746 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 05:07:33,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 05:07:33,746 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 05:07:33,747 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 05:07:33,747 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 05:07:33,748 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 05:07:33,748 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e22f36fcb48e37029a5451272d2b65f2136f0249698c819249f45360edf16ac5 [2024-11-12 05:07:34,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 05:07:34,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 05:07:34,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 05:07:34,050 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 05:07:34,050 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 05:07:34,051 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.i [2024-11-12 05:07:35,500 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 05:07:35,710 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 05:07:35,711 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.i [2024-11-12 05:07:35,721 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/848a45dd7/15f751a53fda4305be3053af3774ddd6/FLAGd8bc93a8c [2024-11-12 05:07:36,073 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/848a45dd7/15f751a53fda4305be3053af3774ddd6 [2024-11-12 05:07:36,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 05:07:36,076 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 05:07:36,079 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 05:07:36,079 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 05:07:36,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 05:07:36,085 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:07:36" (1/1) ... [2024-11-12 05:07:36,088 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4611ddf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:36, skipping insertion in model container [2024-11-12 05:07:36,088 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:07:36" (1/1) ... [2024-11-12 05:07:36,124 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 05:07:36,307 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_loopvsstraightlinecode_100-while_file-20.i[916,929] [2024-11-12 05:07:36,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 05:07:36,414 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 05:07:36,426 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_loopvsstraightlinecode_100-while_file-20.i[916,929] [2024-11-12 05:07:36,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 05:07:36,489 INFO L204 MainTranslator]: Completed translation [2024-11-12 05:07:36,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:36 WrapperNode [2024-11-12 05:07:36,490 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 05:07:36,491 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 05:07:36,492 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 05:07:36,492 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 05:07:36,499 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:36" (1/1) ... [2024-11-12 05:07:36,516 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:36" (1/1) ... [2024-11-12 05:07:36,575 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 261 [2024-11-12 05:07:36,579 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 05:07:36,580 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 05:07:36,580 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 05:07:36,580 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 05:07:36,589 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:36" (1/1) ... [2024-11-12 05:07:36,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:36" (1/1) ... [2024-11-12 05:07:36,596 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:36" (1/1) ... [2024-11-12 05:07:36,626 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 05:07:36,627 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:36" (1/1) ... [2024-11-12 05:07:36,627 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:36" (1/1) ... [2024-11-12 05:07:36,683 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:36" (1/1) ... [2024-11-12 05:07:36,688 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:36" (1/1) ... [2024-11-12 05:07:36,692 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:36" (1/1) ... [2024-11-12 05:07:36,699 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:36" (1/1) ... [2024-11-12 05:07:36,709 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 05:07:36,716 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 05:07:36,716 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 05:07:36,716 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 05:07:36,717 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:36" (1/1) ... [2024-11-12 05:07:36,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 05:07:36,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 05:07:36,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 05:07:36,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 05:07:36,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 05:07:36,840 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 05:07:36,840 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 05:07:36,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 05:07:36,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 05:07:36,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 05:07:36,950 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 05:07:36,953 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 05:07:37,452 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2024-11-12 05:07:37,452 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 05:07:37,466 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 05:07:37,467 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 05:07:37,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:07:37 BoogieIcfgContainer [2024-11-12 05:07:37,467 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 05:07:37,469 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 05:07:37,469 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 05:07:37,472 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 05:07:37,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 05:07:36" (1/3) ... [2024-11-12 05:07:37,473 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51966e96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:07:37, skipping insertion in model container [2024-11-12 05:07:37,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:07:36" (2/3) ... [2024-11-12 05:07:37,474 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51966e96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:07:37, skipping insertion in model container [2024-11-12 05:07:37,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:07:37" (3/3) ... [2024-11-12 05:07:37,475 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-20.i [2024-11-12 05:07:37,499 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 05:07:37,500 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 05:07:37,574 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 05:07:37,584 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;@328e7216, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 05:07:37,585 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 05:07:37,589 INFO L276 IsEmpty]: Start isEmpty. Operand has 116 states, 82 states have (on average 1.4390243902439024) internal successors, (118), 83 states have internal predecessors, (118), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-12 05:07:37,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-12 05:07:37,608 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:07:37,609 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:07:37,610 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:07:37,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:07:37,617 INFO L85 PathProgramCache]: Analyzing trace with hash 2057946147, now seen corresponding path program 1 times [2024-11-12 05:07:37,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:07:37,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738796528] [2024-11-12 05:07:37,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:07:37,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:07:37,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:37,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:07:37,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:37,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:07:38,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:38,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:07:38,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:38,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:07:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:38,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:07:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:38,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:07:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:38,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:07:38,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:38,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:07:38,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:38,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:07:38,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:38,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:07:38,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:38,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:07:38,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:38,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:07:38,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:38,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:07:38,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:38,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 05:07:38,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:38,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:07:38,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:38,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:07:38,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:38,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:07:38,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:38,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:07:38,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:38,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:07:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:38,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:07:38,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:38,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:07:38,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:38,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:07:38,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:38,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:07:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:38,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:07:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:38,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:07:38,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:38,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 05:07:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:38,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:07:38,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:38,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 05:07:38,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:38,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:07:38,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:38,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 05:07:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:38,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 05:07:38,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:38,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-12 05:07:38,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:07:38,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738796528] [2024-11-12 05:07:38,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738796528] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:07:38,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:07:38,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 05:07:38,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349458316] [2024-11-12 05:07:38,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:07:38,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 05:07:38,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:07:38,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 05:07:38,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 05:07:38,240 INFO L87 Difference]: Start difference. First operand has 116 states, 82 states have (on average 1.4390243902439024) internal successors, (118), 83 states have internal predecessors, (118), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-12 05:07:38,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:07:38,337 INFO L93 Difference]: Finished difference Result 225 states and 385 transitions. [2024-11-12 05:07:38,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 05:07:38,342 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 204 [2024-11-12 05:07:38,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:07:38,351 INFO L225 Difference]: With dead ends: 225 [2024-11-12 05:07:38,352 INFO L226 Difference]: Without dead ends: 112 [2024-11-12 05:07:38,358 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 05:07:38,363 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 05:07:38,365 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 05:07:38,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-12 05:07:38,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-11-12 05:07:38,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 79 states have (on average 1.4050632911392404) internal successors, (111), 79 states have internal predecessors, (111), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-12 05:07:38,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 173 transitions. [2024-11-12 05:07:38,418 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 173 transitions. Word has length 204 [2024-11-12 05:07:38,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:07:38,419 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 173 transitions. [2024-11-12 05:07:38,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-12 05:07:38,420 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 173 transitions. [2024-11-12 05:07:38,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-11-12 05:07:38,425 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:07:38,425 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:07:38,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 05:07:38,425 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:07:38,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:07:38,427 INFO L85 PathProgramCache]: Analyzing trace with hash 418414377, now seen corresponding path program 1 times [2024-11-12 05:07:38,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:07:38,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390105261] [2024-11-12 05:07:38,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:07:38,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:07:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:38,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:07:38,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:38,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:07:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:38,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:07:38,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:38,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:07:38,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:38,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:07:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:38,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:07:38,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:38,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:07:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:38,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:07:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:38,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:07:38,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:38,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:07:38,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:39,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:07:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:39,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:07:39,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:39,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:07:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:39,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 05:07:39,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:39,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:07:39,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:39,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:07:39,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:39,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:07:39,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:39,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:07:39,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:39,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:07:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:39,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:07:39,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:39,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:07:39,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:39,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:07:39,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:39,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:07:39,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:39,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:07:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:39,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:07:39,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:39,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 05:07:39,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:39,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:07:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:39,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 05:07:39,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:39,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:07:39,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:39,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 05:07:39,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:39,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 05:07:39,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:39,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-12 05:07:39,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:07:39,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390105261] [2024-11-12 05:07:39,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390105261] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:07:39,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:07:39,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 05:07:39,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832868244] [2024-11-12 05:07:39,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:07:39,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 05:07:39,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:07:39,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 05:07:39,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 05:07:39,137 INFO L87 Difference]: Start difference. First operand 112 states and 173 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 05:07:39,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:07:39,484 INFO L93 Difference]: Finished difference Result 364 states and 565 transitions. [2024-11-12 05:07:39,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 05:07:39,485 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 204 [2024-11-12 05:07:39,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:07:39,490 INFO L225 Difference]: With dead ends: 364 [2024-11-12 05:07:39,491 INFO L226 Difference]: Without dead ends: 255 [2024-11-12 05:07:39,493 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-12 05:07:39,494 INFO L435 NwaCegarLoop]: 212 mSDtfsCounter, 169 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 737 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 05:07:39,496 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 737 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 05:07:39,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-12 05:07:39,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 244. [2024-11-12 05:07:39,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 179 states have (on average 1.4022346368715084) internal successors, (251), 179 states have internal predecessors, (251), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-12 05:07:39,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 375 transitions. [2024-11-12 05:07:39,527 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 375 transitions. Word has length 204 [2024-11-12 05:07:39,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:07:39,528 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 375 transitions. [2024-11-12 05:07:39,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 05:07:39,528 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 375 transitions. [2024-11-12 05:07:39,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-12 05:07:39,531 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:07:39,532 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:07:39,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 05:07:39,532 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:07:39,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:07:39,533 INFO L85 PathProgramCache]: Analyzing trace with hash 180407095, now seen corresponding path program 1 times [2024-11-12 05:07:39,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:07:39,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101925042] [2024-11-12 05:07:39,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:07:39,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:07:39,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:40,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:07:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:40,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:07:40,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:40,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:07:40,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:40,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:07:40,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:40,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:07:40,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:40,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:07:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:40,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:07:40,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:40,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:07:40,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:40,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:07:40,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:40,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:07:40,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:40,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:07:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:40,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:07:40,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:40,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:07:40,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:40,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 05:07:40,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:40,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:07:40,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:40,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:07:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:40,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:07:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:40,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:07:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:40,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:07:40,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:40,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:07:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:40,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:07:40,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:40,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:07:40,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:40,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:07:40,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:40,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:07:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:40,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:07:40,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:40,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 05:07:40,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:40,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:07:40,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:40,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 05:07:40,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:40,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:07:40,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:40,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 05:07:40,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:40,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 05:07:40,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:40,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-12 05:07:40,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:07:40,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101925042] [2024-11-12 05:07:40,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101925042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:07:40,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:07:40,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 05:07:40,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191921283] [2024-11-12 05:07:40,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:07:40,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 05:07:40,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:07:40,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 05:07:40,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-12 05:07:40,458 INFO L87 Difference]: Start difference. First operand 244 states and 375 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 05:07:41,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:07:41,097 INFO L93 Difference]: Finished difference Result 750 states and 1136 transitions. [2024-11-12 05:07:41,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 05:07:41,098 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 205 [2024-11-12 05:07:41,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:07:41,102 INFO L225 Difference]: With dead ends: 750 [2024-11-12 05:07:41,103 INFO L226 Difference]: Without dead ends: 509 [2024-11-12 05:07:41,104 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-12 05:07:41,105 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 143 mSDsluCounter, 732 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 939 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 05:07:41,105 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 939 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 05:07:41,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2024-11-12 05:07:41,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 421. [2024-11-12 05:07:41,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 342 states have (on average 1.4444444444444444) internal successors, (494), 344 states have internal predecessors, (494), 74 states have call successors, (74), 4 states have call predecessors, (74), 4 states have return successors, (74), 72 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-12 05:07:41,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 642 transitions. [2024-11-12 05:07:41,163 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 642 transitions. Word has length 205 [2024-11-12 05:07:41,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:07:41,164 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 642 transitions. [2024-11-12 05:07:41,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 05:07:41,164 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 642 transitions. [2024-11-12 05:07:41,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-12 05:07:41,171 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:07:41,171 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:07:41,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 05:07:41,173 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:07:41,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:07:41,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1813737611, now seen corresponding path program 1 times [2024-11-12 05:07:41,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:07:41,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322569573] [2024-11-12 05:07:41,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:07:41,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:07:41,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:41,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:07:41,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:41,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:07:41,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:41,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:07:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:41,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:07:41,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:41,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:07:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:41,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:07:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:41,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:07:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:41,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:07:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:41,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:07:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:41,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:07:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:41,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:07:41,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:41,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:07:41,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:41,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:07:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:41,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 05:07:41,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:41,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:07:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:41,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:07:41,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:41,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:07:41,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:41,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:07:41,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:41,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:07:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:41,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:07:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:41,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:07:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:41,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:07:41,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:41,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:07:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:41,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:07:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:41,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:07:41,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:41,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 05:07:41,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:41,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:07:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:41,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 05:07:41,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:41,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:07:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:41,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 05:07:41,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:41,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 05:07:41,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:41,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-12 05:07:41,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:07:41,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322569573] [2024-11-12 05:07:41,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322569573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:07:41,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:07:41,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 05:07:41,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823107983] [2024-11-12 05:07:41,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:07:41,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 05:07:41,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:07:41,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 05:07:41,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-12 05:07:41,945 INFO L87 Difference]: Start difference. First operand 421 states and 642 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 05:07:42,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:07:42,449 INFO L93 Difference]: Finished difference Result 1200 states and 1805 transitions. [2024-11-12 05:07:42,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 05:07:42,450 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 205 [2024-11-12 05:07:42,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:07:42,458 INFO L225 Difference]: With dead ends: 1200 [2024-11-12 05:07:42,460 INFO L226 Difference]: Without dead ends: 782 [2024-11-12 05:07:42,463 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-12 05:07:42,464 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 155 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 05:07:42,464 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 598 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 05:07:42,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2024-11-12 05:07:42,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 668. [2024-11-12 05:07:42,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 668 states, 577 states have (on average 1.4714038128249567) internal successors, (849), 581 states have internal predecessors, (849), 82 states have call successors, (82), 8 states have call predecessors, (82), 8 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-12 05:07:42,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 668 states and 1013 transitions. [2024-11-12 05:07:42,523 INFO L78 Accepts]: Start accepts. Automaton has 668 states and 1013 transitions. Word has length 205 [2024-11-12 05:07:42,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:07:42,524 INFO L471 AbstractCegarLoop]: Abstraction has 668 states and 1013 transitions. [2024-11-12 05:07:42,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 05:07:42,525 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 1013 transitions. [2024-11-12 05:07:42,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-12 05:07:42,528 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:07:42,528 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:07:42,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 05:07:42,528 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:07:42,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:07:42,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1945098992, now seen corresponding path program 1 times [2024-11-12 05:07:42,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:07:42,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521522056] [2024-11-12 05:07:42,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:07:42,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:07:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:44,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:07:44,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:44,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:07:44,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:44,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:07:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:44,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:07:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:44,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:07:44,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:44,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:07:44,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:44,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:07:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:44,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:07:44,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:44,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:07:44,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:44,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:07:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:44,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:07:44,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:44,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:07:44,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:44,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:07:44,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:44,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 05:07:44,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:44,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:07:44,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:44,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:07:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:44,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:07:44,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:44,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:07:44,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:44,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:07:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:44,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:07:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:44,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:07:44,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:44,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:07:44,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:44,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:07:44,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:44,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:07:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:44,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:07:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:44,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 05:07:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:44,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:07:44,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:44,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 05:07:44,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:44,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:07:44,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:44,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 05:07:44,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:44,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 05:07:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:44,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-12 05:07:44,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:07:44,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521522056] [2024-11-12 05:07:44,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521522056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:07:44,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:07:44,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 05:07:44,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157400506] [2024-11-12 05:07:44,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:07:44,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 05:07:44,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:07:44,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 05:07:44,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-12 05:07:44,906 INFO L87 Difference]: Start difference. First operand 668 states and 1013 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 05:07:46,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:07:46,407 INFO L93 Difference]: Finished difference Result 2069 states and 3113 transitions. [2024-11-12 05:07:46,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 05:07:46,408 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 206 [2024-11-12 05:07:46,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:07:46,415 INFO L225 Difference]: With dead ends: 2069 [2024-11-12 05:07:46,415 INFO L226 Difference]: Without dead ends: 1404 [2024-11-12 05:07:46,417 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-12 05:07:46,418 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 316 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-12 05:07:46,418 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 628 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-12 05:07:46,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1404 states. [2024-11-12 05:07:46,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1404 to 796. [2024-11-12 05:07:46,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 796 states, 705 states have (on average 1.4822695035460993) internal successors, (1045), 709 states have internal predecessors, (1045), 82 states have call successors, (82), 8 states have call predecessors, (82), 8 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-12 05:07:46,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 1209 transitions. [2024-11-12 05:07:46,467 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 1209 transitions. Word has length 206 [2024-11-12 05:07:46,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:07:46,468 INFO L471 AbstractCegarLoop]: Abstraction has 796 states and 1209 transitions. [2024-11-12 05:07:46,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 05:07:46,469 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1209 transitions. [2024-11-12 05:07:46,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-12 05:07:46,471 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:07:46,471 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:07:46,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 05:07:46,472 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:07:46,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:07:46,472 INFO L85 PathProgramCache]: Analyzing trace with hash 665235314, now seen corresponding path program 1 times [2024-11-12 05:07:46,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:07:46,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063276234] [2024-11-12 05:07:46,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:07:46,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:07:46,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:48,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:07:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:48,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:07:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:48,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:07:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:48,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:07:48,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:48,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:07:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:48,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:07:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:48,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:07:48,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:48,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:07:48,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:48,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:07:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:48,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:07:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:48,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:07:48,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:48,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:07:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:48,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:07:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:48,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 05:07:48,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:48,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:07:48,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:48,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:07:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:48,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:07:48,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:48,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:07:48,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:48,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:07:48,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:48,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:07:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:48,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:07:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:48,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:07:48,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:48,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:07:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:48,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:07:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:48,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:07:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:48,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 05:07:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:48,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:07:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:48,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 05:07:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:48,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:07:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:48,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 05:07:48,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:48,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 05:07:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:48,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-12 05:07:48,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:07:48,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063276234] [2024-11-12 05:07:48,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063276234] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:07:48,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:07:48,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 05:07:48,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646576535] [2024-11-12 05:07:48,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:07:48,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 05:07:48,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:07:48,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 05:07:48,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-12 05:07:48,304 INFO L87 Difference]: Start difference. First operand 796 states and 1209 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 05:07:50,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:07:50,144 INFO L93 Difference]: Finished difference Result 2421 states and 3624 transitions. [2024-11-12 05:07:50,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 05:07:50,145 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 206 [2024-11-12 05:07:50,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:07:50,153 INFO L225 Difference]: With dead ends: 2421 [2024-11-12 05:07:50,154 INFO L226 Difference]: Without dead ends: 1628 [2024-11-12 05:07:50,156 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-12 05:07:50,158 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 343 mSDsluCounter, 633 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 775 SdHoareTripleChecker+Invalid, 686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-12 05:07:50,159 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 775 Invalid, 686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 675 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-12 05:07:50,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1628 states. [2024-11-12 05:07:50,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1628 to 888. [2024-11-12 05:07:50,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 888 states, 797 states have (on average 1.4905897114178168) internal successors, (1188), 801 states have internal predecessors, (1188), 82 states have call successors, (82), 8 states have call predecessors, (82), 8 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-12 05:07:50,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1352 transitions. [2024-11-12 05:07:50,218 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1352 transitions. Word has length 206 [2024-11-12 05:07:50,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:07:50,222 INFO L471 AbstractCegarLoop]: Abstraction has 888 states and 1352 transitions. [2024-11-12 05:07:50,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 05:07:50,222 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1352 transitions. [2024-11-12 05:07:50,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-12 05:07:50,225 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:07:50,225 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:07:50,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 05:07:50,226 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:07:50,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:07:50,226 INFO L85 PathProgramCache]: Analyzing trace with hash -526911056, now seen corresponding path program 1 times [2024-11-12 05:07:50,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:07:50,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115933010] [2024-11-12 05:07:50,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:07:50,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:07:50,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:52,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:07:52,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:52,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:07:52,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:52,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:07:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:52,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:07:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:52,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:07:52,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:52,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:07:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:52,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:07:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:52,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:07:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:52,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:07:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:52,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:07:52,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:52,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:07:52,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:52,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:07:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:52,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:07:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:52,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 05:07:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:52,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:07:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:52,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:07:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:52,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:07:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:52,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:07:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:52,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:07:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:52,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:07:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:52,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:07:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:52,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:07:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:52,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:07:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:52,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:07:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:52,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:07:52,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:52,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 05:07:52,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:52,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:07:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:52,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 05:07:52,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:52,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:07:52,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:52,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 05:07:52,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:52,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 05:07:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:07:52,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-12 05:07:52,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:07:52,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115933010] [2024-11-12 05:07:52,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115933010] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:07:52,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:07:52,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 05:07:52,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408375384] [2024-11-12 05:07:52,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:07:52,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 05:07:52,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:07:52,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 05:07:52,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-12 05:07:52,767 INFO L87 Difference]: Start difference. First operand 888 states and 1352 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 05:07:54,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:07:54,223 INFO L93 Difference]: Finished difference Result 2787 states and 4223 transitions. [2024-11-12 05:07:54,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 05:07:54,225 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 206 [2024-11-12 05:07:54,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:07:54,235 INFO L225 Difference]: With dead ends: 2787 [2024-11-12 05:07:54,235 INFO L226 Difference]: Without dead ends: 1902 [2024-11-12 05:07:54,240 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2024-11-12 05:07:54,242 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 299 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-12 05:07:54,244 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 756 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-12 05:07:54,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1902 states. [2024-11-12 05:07:54,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1902 to 1006. [2024-11-12 05:07:54,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1006 states, 915 states have (on average 1.5005464480874318) internal successors, (1373), 919 states have internal predecessors, (1373), 82 states have call successors, (82), 8 states have call predecessors, (82), 8 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-12 05:07:54,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 1006 states and 1537 transitions. [2024-11-12 05:07:54,318 INFO L78 Accepts]: Start accepts. Automaton has 1006 states and 1537 transitions. Word has length 206 [2024-11-12 05:07:54,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:07:54,319 INFO L471 AbstractCegarLoop]: Abstraction has 1006 states and 1537 transitions. [2024-11-12 05:07:54,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 05:07:54,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1537 transitions. [2024-11-12 05:07:54,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-12 05:07:54,325 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:07:54,325 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:07:54,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 05:07:54,326 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:07:54,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:07:54,327 INFO L85 PathProgramCache]: Analyzing trace with hash 2079112498, now seen corresponding path program 1 times [2024-11-12 05:07:54,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:07:54,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41020600] [2024-11-12 05:07:54,327 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:07:54,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:08:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:04,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:08:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:04,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:08:04,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:04,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:08:04,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:04,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:08:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:04,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:08:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:04,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:08:04,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:04,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:08:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:04,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:08:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:04,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:08:04,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:04,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:08:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:04,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:08:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:04,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:08:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:04,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:08:04,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:04,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 05:08:04,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:04,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:08:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:04,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:08:04,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:04,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:08:04,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:04,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:08:04,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:04,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:08:04,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:04,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:08:04,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:04,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:08:04,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:04,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:08:04,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:04,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:08:04,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:04,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:08:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:04,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:08:04,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:04,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 05:08:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:04,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:08:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:04,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 05:08:04,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:04,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:08:04,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:04,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 05:08:04,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:04,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 05:08:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:04,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-12 05:08:04,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:08:04,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41020600] [2024-11-12 05:08:04,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41020600] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:08:04,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:08:04,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 05:08:04,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255761696] [2024-11-12 05:08:04,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:08:04,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 05:08:04,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:08:04,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 05:08:04,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-12 05:08:04,103 INFO L87 Difference]: Start difference. First operand 1006 states and 1537 transitions. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 05:08:05,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:08:05,640 INFO L93 Difference]: Finished difference Result 2793 states and 4202 transitions. [2024-11-12 05:08:05,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 05:08:05,642 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 206 [2024-11-12 05:08:05,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:08:05,649 INFO L225 Difference]: With dead ends: 2793 [2024-11-12 05:08:05,649 INFO L226 Difference]: Without dead ends: 1790 [2024-11-12 05:08:05,652 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-11-12 05:08:05,653 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 428 mSDsluCounter, 732 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 871 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-12 05:08:05,653 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 871 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-12 05:08:05,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1790 states. [2024-11-12 05:08:05,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1790 to 989. [2024-11-12 05:08:05,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 989 states, 898 states have (on average 1.5011135857461024) internal successors, (1348), 902 states have internal predecessors, (1348), 82 states have call successors, (82), 8 states have call predecessors, (82), 8 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-12 05:08:05,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 989 states and 1512 transitions. [2024-11-12 05:08:05,702 INFO L78 Accepts]: Start accepts. Automaton has 989 states and 1512 transitions. Word has length 206 [2024-11-12 05:08:05,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:08:05,703 INFO L471 AbstractCegarLoop]: Abstraction has 989 states and 1512 transitions. [2024-11-12 05:08:05,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 05:08:05,704 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1512 transitions. [2024-11-12 05:08:05,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-12 05:08:05,707 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:08:05,707 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:08:05,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 05:08:05,708 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:08:05,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:08:05,708 INFO L85 PathProgramCache]: Analyzing trace with hash -968980858, now seen corresponding path program 1 times [2024-11-12 05:08:05,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:08:05,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595662122] [2024-11-12 05:08:05,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:08:05,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:08:05,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:08:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:08:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:08:06,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:08:06,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:08:06,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:08:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:08:06,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:08:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:08:06,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:08:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:08:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:08:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:08:07,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 05:08:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:08:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:08:07,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:08:07,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:08:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:08:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:08:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:08:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:08:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:08:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:08:07,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:08:07,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 05:08:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:08:07,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 05:08:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:08:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 05:08:07,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 05:08:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-12 05:08:07,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:08:07,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595662122] [2024-11-12 05:08:07,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595662122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:08:07,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:08:07,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 05:08:07,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971905903] [2024-11-12 05:08:07,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:08:07,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 05:08:07,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:08:07,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 05:08:07,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-12 05:08:07,035 INFO L87 Difference]: Start difference. First operand 989 states and 1512 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 05:08:07,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:08:07,948 INFO L93 Difference]: Finished difference Result 2778 states and 4229 transitions. [2024-11-12 05:08:07,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 05:08:07,949 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 206 [2024-11-12 05:08:07,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:08:07,957 INFO L225 Difference]: With dead ends: 2778 [2024-11-12 05:08:07,957 INFO L226 Difference]: Without dead ends: 1792 [2024-11-12 05:08:07,960 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2024-11-12 05:08:07,961 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 354 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 05:08:07,961 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 562 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 05:08:07,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1792 states. [2024-11-12 05:08:08,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1792 to 1044. [2024-11-12 05:08:08,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1044 states, 953 states have (on average 1.5057712486883525) internal successors, (1435), 957 states have internal predecessors, (1435), 82 states have call successors, (82), 8 states have call predecessors, (82), 8 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-12 05:08:08,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 1599 transitions. [2024-11-12 05:08:08,013 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 1599 transitions. Word has length 206 [2024-11-12 05:08:08,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:08:08,013 INFO L471 AbstractCegarLoop]: Abstraction has 1044 states and 1599 transitions. [2024-11-12 05:08:08,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 05:08:08,014 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1599 transitions. [2024-11-12 05:08:08,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-12 05:08:08,016 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:08:08,016 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:08:08,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 05:08:08,017 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:08:08,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:08:08,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1952008314, now seen corresponding path program 1 times [2024-11-12 05:08:08,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:08:08,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367277058] [2024-11-12 05:08:08,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:08:08,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:08:08,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:08:08,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:08:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:08:08,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:08:08,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:08:08,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:08:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:08:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:08:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:08:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:08:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:08:08,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:08:08,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:08:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 05:08:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:08:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:08:08,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:08:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:08:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:08:08,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:08:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:08:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:08:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:08:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:08:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:08:08,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 05:08:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:08:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 05:08:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:08:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 05:08:08,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 05:08:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-12 05:08:08,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:08:08,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367277058] [2024-11-12 05:08:08,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367277058] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:08:08,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:08:08,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 05:08:08,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26472955] [2024-11-12 05:08:08,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:08:08,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 05:08:08,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:08:08,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 05:08:08,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 05:08:08,169 INFO L87 Difference]: Start difference. First operand 1044 states and 1599 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 05:08:08,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:08:08,285 INFO L93 Difference]: Finished difference Result 2594 states and 3960 transitions. [2024-11-12 05:08:08,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 05:08:08,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 206 [2024-11-12 05:08:08,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:08:08,294 INFO L225 Difference]: With dead ends: 2594 [2024-11-12 05:08:08,294 INFO L226 Difference]: Without dead ends: 1553 [2024-11-12 05:08:08,297 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 05:08:08,298 INFO L435 NwaCegarLoop]: 313 mSDtfsCounter, 147 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 05:08:08,298 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 456 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 05:08:08,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1553 states. [2024-11-12 05:08:08,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1553 to 1290. [2024-11-12 05:08:08,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1290 states, 1199 states have (on average 1.5187656380316932) internal successors, (1821), 1203 states have internal predecessors, (1821), 82 states have call successors, (82), 8 states have call predecessors, (82), 8 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-12 05:08:08,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 1290 states and 1985 transitions. [2024-11-12 05:08:08,351 INFO L78 Accepts]: Start accepts. Automaton has 1290 states and 1985 transitions. Word has length 206 [2024-11-12 05:08:08,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:08:08,352 INFO L471 AbstractCegarLoop]: Abstraction has 1290 states and 1985 transitions. [2024-11-12 05:08:08,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 05:08:08,352 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 1985 transitions. [2024-11-12 05:08:08,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-12 05:08:08,355 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:08:08,355 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:08:08,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 05:08:08,355 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:08:08,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:08:08,356 INFO L85 PathProgramCache]: Analyzing trace with hash 555422362, now seen corresponding path program 1 times [2024-11-12 05:08:08,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:08:08,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449314435] [2024-11-12 05:08:08,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:08:08,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:08:08,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:08:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:08:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:08:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:08:08,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:08:08,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:08:08,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:08:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:08:08,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:08:08,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:08:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:08:08,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:08:08,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:08:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 05:08:08,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:08:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:08:08,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:08:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:08:08,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:08:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:08:08,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:08:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:08:08,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:08:08,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:08:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:08:08,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 05:08:08,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:08:08,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 05:08:08,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:08:08,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 05:08:08,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 05:08:08,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-12 05:08:08,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:08:08,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449314435] [2024-11-12 05:08:08,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449314435] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:08:08,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:08:08,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 05:08:08,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916007957] [2024-11-12 05:08:08,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:08:08,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 05:08:08,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:08:08,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 05:08:08,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 05:08:08,586 INFO L87 Difference]: Start difference. First operand 1290 states and 1985 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 05:08:08,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:08:08,641 INFO L93 Difference]: Finished difference Result 2577 states and 3967 transitions. [2024-11-12 05:08:08,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 05:08:08,643 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 207 [2024-11-12 05:08:08,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:08:08,649 INFO L225 Difference]: With dead ends: 2577 [2024-11-12 05:08:08,650 INFO L226 Difference]: Without dead ends: 1290 [2024-11-12 05:08:08,652 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 05:08:08,653 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 0 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 05:08:08,653 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 507 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 05:08:08,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1290 states. [2024-11-12 05:08:08,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1290 to 1290. [2024-11-12 05:08:08,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1290 states, 1199 states have (on average 1.5162635529608006) internal successors, (1818), 1203 states have internal predecessors, (1818), 82 states have call successors, (82), 8 states have call predecessors, (82), 8 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-12 05:08:08,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 1290 states and 1982 transitions. [2024-11-12 05:08:08,707 INFO L78 Accepts]: Start accepts. Automaton has 1290 states and 1982 transitions. Word has length 207 [2024-11-12 05:08:08,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:08:08,707 INFO L471 AbstractCegarLoop]: Abstraction has 1290 states and 1982 transitions. [2024-11-12 05:08:08,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 05:08:08,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 1982 transitions. [2024-11-12 05:08:08,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-12 05:08:08,710 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:08:08,710 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:08:08,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 05:08:08,710 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:08:08,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:08:08,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1934106600, now seen corresponding path program 1 times [2024-11-12 05:08:08,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:08:08,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784894647] [2024-11-12 05:08:08,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:08:08,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:08:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:08:08,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:08:08,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:08:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:08:08,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:08:08,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:08:08,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:08:08,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:08:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:08:08,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:08:08,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:08:08,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:08:08,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:08:08,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 05:08:08,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:08:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:08:08,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:08:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:08:08,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:08:08,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:08:08,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:08:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:08:08,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:08:08,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:08:08,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:08:08,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 05:08:08,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:08:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 05:08:08,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:08:08,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 05:08:08,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 05:08:08,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-12 05:08:08,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:08:08,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784894647] [2024-11-12 05:08:08,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784894647] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:08:08,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:08:08,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 05:08:08,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042138249] [2024-11-12 05:08:08,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:08:08,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 05:08:08,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:08:08,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 05:08:08,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 05:08:08,918 INFO L87 Difference]: Start difference. First operand 1290 states and 1982 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 05:08:09,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:08:09,227 INFO L93 Difference]: Finished difference Result 3047 states and 4663 transitions. [2024-11-12 05:08:09,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 05:08:09,227 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 207 [2024-11-12 05:08:09,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:08:09,235 INFO L225 Difference]: With dead ends: 3047 [2024-11-12 05:08:09,235 INFO L226 Difference]: Without dead ends: 1760 [2024-11-12 05:08:09,238 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 05:08:09,238 INFO L435 NwaCegarLoop]: 308 mSDtfsCounter, 151 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 05:08:09,239 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 655 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 05:08:09,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1760 states. [2024-11-12 05:08:09,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1760 to 1296. [2024-11-12 05:08:09,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1296 states, 1205 states have (on average 1.5103734439834025) internal successors, (1820), 1209 states have internal predecessors, (1820), 82 states have call successors, (82), 8 states have call predecessors, (82), 8 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-12 05:08:09,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 1296 states and 1984 transitions. [2024-11-12 05:08:09,329 INFO L78 Accepts]: Start accepts. Automaton has 1296 states and 1984 transitions. Word has length 207 [2024-11-12 05:08:09,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:08:09,330 INFO L471 AbstractCegarLoop]: Abstraction has 1296 states and 1984 transitions. [2024-11-12 05:08:09,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 05:08:09,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 1984 transitions. [2024-11-12 05:08:09,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-12 05:08:09,334 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:08:09,334 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:08:09,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 05:08:09,334 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:08:09,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:08:09,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1388155403, now seen corresponding path program 1 times [2024-11-12 05:08:09,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:08:09,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117770601] [2024-11-12 05:08:09,335 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:08:09,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:08:09,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:08:09,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:08:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:08:09,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:08:09,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:08:09,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:08:09,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:08:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:08:09,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:08:09,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:08:09,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:08:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:08:09,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:08:09,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 05:08:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:08:09,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:08:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:08:09,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:08:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:08:09,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:08:09,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:08:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:08:09,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:08:09,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:08:09,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:08:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 05:08:09,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:08:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 05:08:09,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:08:09,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 05:08:09,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 05:08:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 30 proven. 60 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-12 05:08:09,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:08:09,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117770601] [2024-11-12 05:08:09,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117770601] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 05:08:09,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134591212] [2024-11-12 05:08:09,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:08:09,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 05:08:09,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 05:08:09,896 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) [2024-11-12 05:08:09,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 05:08:10,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:10,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-12 05:08:10,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 05:08:11,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 872 proven. 114 refuted. 0 times theorem prover too weak. 874 trivial. 0 not checked. [2024-11-12 05:08:11,002 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 05:08:11,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 30 proven. 60 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-12 05:08:11,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2134591212] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 05:08:11,450 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 05:08:11,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 7] total 15 [2024-11-12 05:08:11,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972235819] [2024-11-12 05:08:11,451 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 05:08:11,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-12 05:08:11,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:08:11,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-12 05:08:11,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-12 05:08:11,453 INFO L87 Difference]: Start difference. First operand 1296 states and 1984 transitions. Second operand has 15 states, 15 states have (on average 9.133333333333333) internal successors, (137), 15 states have internal predecessors, (137), 4 states have call successors, (71), 3 states have call predecessors, (71), 5 states have return successors, (72), 4 states have call predecessors, (72), 4 states have call successors, (72) [2024-11-12 05:08:12,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:08:12,401 INFO L93 Difference]: Finished difference Result 2188 states and 3310 transitions. [2024-11-12 05:08:12,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-12 05:08:12,402 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 9.133333333333333) internal successors, (137), 15 states have internal predecessors, (137), 4 states have call successors, (71), 3 states have call predecessors, (71), 5 states have return successors, (72), 4 states have call predecessors, (72), 4 states have call successors, (72) Word has length 208 [2024-11-12 05:08:12,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:08:12,407 INFO L225 Difference]: With dead ends: 2188 [2024-11-12 05:08:12,407 INFO L226 Difference]: Without dead ends: 895 [2024-11-12 05:08:12,410 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 471 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=202, Invalid=500, Unknown=0, NotChecked=0, Total=702 [2024-11-12 05:08:12,410 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 302 mSDsluCounter, 740 mSDsCounter, 0 mSdLazyCounter, 758 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 880 SdHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 05:08:12,411 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 880 Invalid, 906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 758 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 05:08:12,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2024-11-12 05:08:12,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 840. [2024-11-12 05:08:12,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 840 states, 743 states have (on average 1.442799461641992) internal successors, (1072), 747 states have internal predecessors, (1072), 82 states have call successors, (82), 14 states have call predecessors, (82), 14 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-12 05:08:12,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1236 transitions. [2024-11-12 05:08:12,476 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1236 transitions. Word has length 208 [2024-11-12 05:08:12,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:08:12,477 INFO L471 AbstractCegarLoop]: Abstraction has 840 states and 1236 transitions. [2024-11-12 05:08:12,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.133333333333333) internal successors, (137), 15 states have internal predecessors, (137), 4 states have call successors, (71), 3 states have call predecessors, (71), 5 states have return successors, (72), 4 states have call predecessors, (72), 4 states have call successors, (72) [2024-11-12 05:08:12,477 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1236 transitions. [2024-11-12 05:08:12,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-12 05:08:12,479 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:08:12,479 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:08:12,500 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-12 05:08:12,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-12 05:08:12,681 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:08:12,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:08:12,681 INFO L85 PathProgramCache]: Analyzing trace with hash 2056749776, now seen corresponding path program 1 times [2024-11-12 05:08:12,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:08:12,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413969018] [2024-11-12 05:08:12,682 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:08:12,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:08:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:17,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:08:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:17,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:08:17,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:17,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:08:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:17,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:08:17,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:17,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:08:17,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:17,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:08:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:17,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:08:17,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:17,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:08:17,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:17,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:08:17,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:17,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:08:17,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:17,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:08:17,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:17,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:08:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:17,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:08:17,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:17,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 05:08:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:17,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:08:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:17,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:08:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:17,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:08:17,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:17,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:08:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:17,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:08:17,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:17,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:08:17,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:17,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:08:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:17,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:08:17,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:17,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:08:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:17,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:08:17,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:17,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:08:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:17,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 05:08:17,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:17,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:08:17,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:17,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 05:08:17,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:17,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:08:17,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:17,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 05:08:17,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:17,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 05:08:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:17,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-12 05:08:17,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:08:17,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413969018] [2024-11-12 05:08:17,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413969018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:08:17,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:08:17,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 05:08:17,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913323450] [2024-11-12 05:08:17,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:08:17,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 05:08:17,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:08:17,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 05:08:17,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-12 05:08:17,166 INFO L87 Difference]: Start difference. First operand 840 states and 1236 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 05:08:19,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:08:19,255 INFO L93 Difference]: Finished difference Result 2489 states and 3597 transitions. [2024-11-12 05:08:19,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 05:08:19,256 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 208 [2024-11-12 05:08:19,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:08:19,263 INFO L225 Difference]: With dead ends: 2489 [2024-11-12 05:08:19,263 INFO L226 Difference]: Without dead ends: 1652 [2024-11-12 05:08:19,265 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2024-11-12 05:08:19,266 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 346 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 688 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-12 05:08:19,266 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 688 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-12 05:08:19,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1652 states. [2024-11-12 05:08:19,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1652 to 865. [2024-11-12 05:08:19,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 865 states, 768 states have (on average 1.4518229166666667) internal successors, (1115), 772 states have internal predecessors, (1115), 82 states have call successors, (82), 14 states have call predecessors, (82), 14 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-12 05:08:19,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 1279 transitions. [2024-11-12 05:08:19,328 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 1279 transitions. Word has length 208 [2024-11-12 05:08:19,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:08:19,328 INFO L471 AbstractCegarLoop]: Abstraction has 865 states and 1279 transitions. [2024-11-12 05:08:19,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 05:08:19,329 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1279 transitions. [2024-11-12 05:08:19,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-12 05:08:19,331 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:08:19,331 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:08:19,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-12 05:08:19,332 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:08:19,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:08:19,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1045632526, now seen corresponding path program 1 times [2024-11-12 05:08:19,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:08:19,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730060140] [2024-11-12 05:08:19,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:08:19,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:08:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:22,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:08:22,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:22,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:08:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:22,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:08:22,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:22,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:08:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:22,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:08:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:22,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:08:22,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:22,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:08:22,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:22,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:08:22,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:22,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:08:22,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:22,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:08:22,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:22,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:08:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:22,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:08:22,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:22,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:08:22,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:22,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 05:08:22,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:22,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:08:22,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:22,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:08:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:22,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:08:22,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:22,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:08:22,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:22,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:08:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:22,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:08:22,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:22,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:08:22,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:22,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:08:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:22,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:08:22,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:22,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:08:22,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:22,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:08:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:22,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 05:08:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:22,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:08:22,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:22,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 05:08:22,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:22,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:08:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:22,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 05:08:22,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:22,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 05:08:22,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:22,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-12 05:08:22,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:08:22,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730060140] [2024-11-12 05:08:22,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730060140] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:08:22,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:08:22,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 05:08:22,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744506062] [2024-11-12 05:08:22,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:08:22,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 05:08:22,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:08:22,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 05:08:22,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-12 05:08:22,093 INFO L87 Difference]: Start difference. First operand 865 states and 1279 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 05:08:24,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:08:24,270 INFO L93 Difference]: Finished difference Result 2500 states and 3639 transitions. [2024-11-12 05:08:24,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 05:08:24,271 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 208 [2024-11-12 05:08:24,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:08:24,279 INFO L225 Difference]: With dead ends: 2500 [2024-11-12 05:08:24,279 INFO L226 Difference]: Without dead ends: 1638 [2024-11-12 05:08:24,282 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=93, Invalid=147, Unknown=0, NotChecked=0, Total=240 [2024-11-12 05:08:24,283 INFO L435 NwaCegarLoop]: 181 mSDtfsCounter, 330 mSDsluCounter, 654 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 835 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-12 05:08:24,283 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 835 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-12 05:08:24,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1638 states. [2024-11-12 05:08:24,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1638 to 865. [2024-11-12 05:08:24,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 865 states, 768 states have (on average 1.4518229166666667) internal successors, (1115), 772 states have internal predecessors, (1115), 82 states have call successors, (82), 14 states have call predecessors, (82), 14 states have return successors, (82), 78 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-12 05:08:24,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 1279 transitions. [2024-11-12 05:08:24,346 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 1279 transitions. Word has length 208 [2024-11-12 05:08:24,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:08:24,346 INFO L471 AbstractCegarLoop]: Abstraction has 865 states and 1279 transitions. [2024-11-12 05:08:24,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 05:08:24,347 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1279 transitions. [2024-11-12 05:08:24,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-12 05:08:24,348 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:08:24,348 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:08:24,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-12 05:08:24,349 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:08:24,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:08:24,349 INFO L85 PathProgramCache]: Analyzing trace with hash 24564172, now seen corresponding path program 1 times [2024-11-12 05:08:24,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:08:24,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405179083] [2024-11-12 05:08:24,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:08:24,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:08:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:25,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:08:25,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:25,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:08:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:25,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:08:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:25,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:08:25,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:25,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:08:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:25,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:08:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:25,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:08:25,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:25,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:08:25,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:25,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:08:25,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:25,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:08:25,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:25,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:08:25,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:25,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:08:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:25,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:08:25,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:25,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 05:08:25,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:25,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:08:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:25,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:08:25,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:25,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:08:25,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:25,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:08:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:25,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:08:25,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:25,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:08:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:25,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:08:25,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:25,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:08:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:25,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:08:25,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:25,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:08:25,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:25,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:08:25,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:25,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 05:08:25,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:25,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:08:25,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:25,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 05:08:25,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:25,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:08:25,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:25,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 05:08:25,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:25,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 05:08:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:25,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-12 05:08:25,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:08:25,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405179083] [2024-11-12 05:08:25,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405179083] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:08:25,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:08:25,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 05:08:25,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161581459] [2024-11-12 05:08:25,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:08:25,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 05:08:25,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:08:25,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 05:08:25,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-12 05:08:25,659 INFO L87 Difference]: Start difference. First operand 865 states and 1279 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-12 05:08:27,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:08:27,106 INFO L93 Difference]: Finished difference Result 3307 states and 4789 transitions. [2024-11-12 05:08:27,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-12 05:08:27,107 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 208 [2024-11-12 05:08:27,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:08:27,122 INFO L225 Difference]: With dead ends: 3307 [2024-11-12 05:08:27,122 INFO L226 Difference]: Without dead ends: 2445 [2024-11-12 05:08:27,126 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 70 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2024-11-12 05:08:27,126 INFO L435 NwaCegarLoop]: 239 mSDtfsCounter, 590 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 742 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 590 SdHoareTripleChecker+Valid, 950 SdHoareTripleChecker+Invalid, 805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-12 05:08:27,127 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [590 Valid, 950 Invalid, 805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 742 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-12 05:08:27,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2445 states. [2024-11-12 05:08:27,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2445 to 1699. [2024-11-12 05:08:27,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1699 states, 1506 states have (on average 1.4375830013280213) internal successors, (2165), 1514 states have internal predecessors, (2165), 164 states have call successors, (164), 28 states have call predecessors, (164), 28 states have return successors, (164), 156 states have call predecessors, (164), 164 states have call successors, (164) [2024-11-12 05:08:27,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1699 states and 2493 transitions. [2024-11-12 05:08:27,270 INFO L78 Accepts]: Start accepts. Automaton has 1699 states and 2493 transitions. Word has length 208 [2024-11-12 05:08:27,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:08:27,271 INFO L471 AbstractCegarLoop]: Abstraction has 1699 states and 2493 transitions. [2024-11-12 05:08:27,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-12 05:08:27,272 INFO L276 IsEmpty]: Start isEmpty. Operand 1699 states and 2493 transitions. [2024-11-12 05:08:27,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-12 05:08:27,274 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:08:27,274 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:08:27,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-12 05:08:27,274 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:08:27,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:08:27,275 INFO L85 PathProgramCache]: Analyzing trace with hash 22728713, now seen corresponding path program 1 times [2024-11-12 05:08:27,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:08:27,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663282006] [2024-11-12 05:08:27,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:08:27,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:08:27,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:28,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:08:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:28,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:08:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:28,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:08:28,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:28,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:08:28,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:28,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:08:28,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:28,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:08:28,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:28,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:08:28,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:28,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:08:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:28,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:08:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:28,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:08:28,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:28,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:08:28,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:28,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:08:28,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:28,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:08:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:28,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 05:08:28,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:28,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:08:28,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:28,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:08:28,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:28,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:08:28,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:28,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:08:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:28,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:08:28,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:28,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:08:28,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:28,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:08:28,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:28,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:08:28,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:28,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:08:28,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:28,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:08:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:28,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:08:28,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:28,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 05:08:28,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:28,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:08:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:28,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 05:08:28,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:28,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:08:28,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:28,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 05:08:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:28,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 05:08:28,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:28,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-12 05:08:28,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:08:28,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663282006] [2024-11-12 05:08:28,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663282006] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:08:28,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:08:28,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 05:08:28,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158264459] [2024-11-12 05:08:28,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:08:28,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 05:08:28,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:08:28,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 05:08:28,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-12 05:08:28,337 INFO L87 Difference]: Start difference. First operand 1699 states and 2493 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 05:08:29,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:08:29,257 INFO L93 Difference]: Finished difference Result 4408 states and 6442 transitions. [2024-11-12 05:08:29,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 05:08:29,258 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 208 [2024-11-12 05:08:29,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:08:29,271 INFO L225 Difference]: With dead ends: 4408 [2024-11-12 05:08:29,271 INFO L226 Difference]: Without dead ends: 2712 [2024-11-12 05:08:29,276 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-11-12 05:08:29,277 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 234 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 05:08:29,277 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 571 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 05:08:29,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2712 states. [2024-11-12 05:08:29,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2712 to 1797. [2024-11-12 05:08:29,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1797 states, 1604 states have (on average 1.4457605985037407) internal successors, (2319), 1612 states have internal predecessors, (2319), 164 states have call successors, (164), 28 states have call predecessors, (164), 28 states have return successors, (164), 156 states have call predecessors, (164), 164 states have call successors, (164) [2024-11-12 05:08:29,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1797 states to 1797 states and 2647 transitions. [2024-11-12 05:08:29,417 INFO L78 Accepts]: Start accepts. Automaton has 1797 states and 2647 transitions. Word has length 208 [2024-11-12 05:08:29,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:08:29,418 INFO L471 AbstractCegarLoop]: Abstraction has 1797 states and 2647 transitions. [2024-11-12 05:08:29,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 05:08:29,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1797 states and 2647 transitions. [2024-11-12 05:08:29,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-12 05:08:29,420 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:08:29,420 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:08:29,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-12 05:08:29,421 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:08:29,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:08:29,421 INFO L85 PathProgramCache]: Analyzing trace with hash -960298743, now seen corresponding path program 1 times [2024-11-12 05:08:29,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:08:29,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143169301] [2024-11-12 05:08:29,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:08:29,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:08:29,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:30,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:08:30,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:30,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:08:30,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:30,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:08:30,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:30,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:08:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:30,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:08:30,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:30,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:08:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:31,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:08:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:31,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:08:31,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:31,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:08:31,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:31,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:08:31,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:31,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:08:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:31,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:08:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:31,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:08:31,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:31,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 05:08:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:31,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:08:31,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:31,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:08:31,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:31,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:08:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:31,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:08:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:31,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:08:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:31,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:08:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:31,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:08:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:31,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:08:31,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:31,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:08:31,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:31,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:08:31,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:31,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:08:31,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:31,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 05:08:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:31,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:08:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:31,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 05:08:31,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:31,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:08:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:31,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 05:08:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:31,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 05:08:31,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:31,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-12 05:08:31,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:08:31,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143169301] [2024-11-12 05:08:31,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143169301] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:08:31,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:08:31,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 05:08:31,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586073272] [2024-11-12 05:08:31,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:08:31,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 05:08:31,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:08:31,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 05:08:31,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-12 05:08:31,045 INFO L87 Difference]: Start difference. First operand 1797 states and 2647 transitions. Second operand has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 05:08:33,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:08:33,245 INFO L93 Difference]: Finished difference Result 3185 states and 4637 transitions. [2024-11-12 05:08:33,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 05:08:33,246 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 208 [2024-11-12 05:08:33,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:08:33,271 INFO L225 Difference]: With dead ends: 3185 [2024-11-12 05:08:33,272 INFO L226 Difference]: Without dead ends: 2685 [2024-11-12 05:08:33,275 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 72 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2024-11-12 05:08:33,276 INFO L435 NwaCegarLoop]: 218 mSDtfsCounter, 503 mSDsluCounter, 1108 mSDsCounter, 0 mSdLazyCounter, 1034 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 503 SdHoareTripleChecker+Valid, 1326 SdHoareTripleChecker+Invalid, 1091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1034 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-12 05:08:33,276 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [503 Valid, 1326 Invalid, 1091 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1034 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-12 05:08:33,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2685 states. [2024-11-12 05:08:33,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2685 to 1817. [2024-11-12 05:08:33,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1817 states, 1624 states have (on average 1.4458128078817734) internal successors, (2348), 1632 states have internal predecessors, (2348), 164 states have call successors, (164), 28 states have call predecessors, (164), 28 states have return successors, (164), 156 states have call predecessors, (164), 164 states have call successors, (164) [2024-11-12 05:08:33,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1817 states to 1817 states and 2676 transitions. [2024-11-12 05:08:33,436 INFO L78 Accepts]: Start accepts. Automaton has 1817 states and 2676 transitions. Word has length 208 [2024-11-12 05:08:33,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:08:33,437 INFO L471 AbstractCegarLoop]: Abstraction has 1817 states and 2676 transitions. [2024-11-12 05:08:33,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.090909090909091) internal successors, (56), 11 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 05:08:33,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1817 states and 2676 transitions. [2024-11-12 05:08:33,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-12 05:08:33,440 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:08:33,440 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:08:33,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-12 05:08:33,440 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:08:33,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:08:33,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1971415993, now seen corresponding path program 1 times [2024-11-12 05:08:33,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:08:33,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143264020] [2024-11-12 05:08:33,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:08:33,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:08:33,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:34,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:08:34,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:34,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:08:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:34,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:08:34,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:34,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:08:34,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:34,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:08:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:34,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:08:34,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:34,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:08:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:34,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:08:34,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:34,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:08:34,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:34,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:08:34,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:34,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:08:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:34,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:08:34,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:34,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:08:34,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:34,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 05:08:34,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:34,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:08:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:34,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:08:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:34,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:08:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:34,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:08:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:34,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:08:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:34,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:08:34,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:34,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:08:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:34,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:08:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:34,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:08:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:34,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:08:34,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:34,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:08:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:34,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 05:08:34,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:34,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:08:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:34,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 05:08:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:34,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:08:34,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:34,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 05:08:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:34,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 05:08:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:34,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-12 05:08:34,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:08:34,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143264020] [2024-11-12 05:08:34,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143264020] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:08:34,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:08:34,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 05:08:34,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640632651] [2024-11-12 05:08:34,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:08:34,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 05:08:34,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:08:34,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 05:08:34,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-12 05:08:34,844 INFO L87 Difference]: Start difference. First operand 1817 states and 2676 transitions. Second operand has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 05:08:35,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:08:35,872 INFO L93 Difference]: Finished difference Result 4693 states and 6849 transitions. [2024-11-12 05:08:35,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 05:08:35,873 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 208 [2024-11-12 05:08:35,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:08:35,905 INFO L225 Difference]: With dead ends: 4693 [2024-11-12 05:08:35,905 INFO L226 Difference]: Without dead ends: 2879 [2024-11-12 05:08:35,909 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-12 05:08:35,910 INFO L435 NwaCegarLoop]: 187 mSDtfsCounter, 210 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-12 05:08:35,910 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 782 Invalid, 562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-12 05:08:35,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2879 states. [2024-11-12 05:08:36,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2879 to 2038. [2024-11-12 05:08:36,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2038 states, 1845 states have (on average 1.4471544715447155) internal successors, (2670), 1853 states have internal predecessors, (2670), 164 states have call successors, (164), 28 states have call predecessors, (164), 28 states have return successors, (164), 156 states have call predecessors, (164), 164 states have call successors, (164) [2024-11-12 05:08:36,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2038 states to 2038 states and 2998 transitions. [2024-11-12 05:08:36,072 INFO L78 Accepts]: Start accepts. Automaton has 2038 states and 2998 transitions. Word has length 208 [2024-11-12 05:08:36,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:08:36,073 INFO L471 AbstractCegarLoop]: Abstraction has 2038 states and 2998 transitions. [2024-11-12 05:08:36,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-12 05:08:36,073 INFO L276 IsEmpty]: Start isEmpty. Operand 2038 states and 2998 transitions. [2024-11-12 05:08:36,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-12 05:08:36,076 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:08:36,076 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:08:36,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-12 05:08:36,076 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:08:36,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:08:36,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1400451765, now seen corresponding path program 1 times [2024-11-12 05:08:36,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:08:36,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527033813] [2024-11-12 05:08:36,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:08:36,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:08:36,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:36,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:08:36,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:36,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:08:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:36,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:08:36,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:36,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:08:36,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:36,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:08:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:36,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:08:36,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:36,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:08:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:36,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:08:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:36,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:08:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:36,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:08:36,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:36,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:08:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:36,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:08:36,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:36,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:08:36,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:36,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 05:08:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:36,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 05:08:36,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:36,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-12 05:08:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:36,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 05:08:36,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:36,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 05:08:36,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:36,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 05:08:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:36,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-12 05:08:36,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:36,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 05:08:36,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:36,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 05:08:36,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:36,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:08:36,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:36,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 05:08:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:36,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:08:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:36,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 05:08:36,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:36,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:08:36,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:36,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-12 05:08:36,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:36,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:08:36,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:36,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 05:08:36,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:36,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 05:08:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:36,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-12 05:08:36,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:08:36,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527033813] [2024-11-12 05:08:36,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527033813] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 05:08:36,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040844501] [2024-11-12 05:08:36,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:08:36,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 05:08:36,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 05:08:36,430 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) [2024-11-12 05:08:36,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 05:08:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:36,590 INFO L256 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-12 05:08:36,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 05:08:37,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 482 proven. 150 refuted. 0 times theorem prover too weak. 1228 trivial. 0 not checked. [2024-11-12 05:08:37,143 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 05:08:37,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-12 05:08:37,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040844501] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 05:08:37,372 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 05:08:37,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 6] total 14 [2024-11-12 05:08:37,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132278976] [2024-11-12 05:08:37,372 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 05:08:37,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 05:08:37,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:08:37,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 05:08:37,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-12 05:08:37,374 INFO L87 Difference]: Start difference. First operand 2038 states and 2998 transitions. Second operand has 14 states, 14 states have (on average 6.642857142857143) internal successors, (93), 13 states have internal predecessors, (93), 4 states have call successors, (57), 3 states have call predecessors, (57), 5 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) [2024-11-12 05:08:38,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:08:38,470 INFO L93 Difference]: Finished difference Result 4506 states and 6456 transitions. [2024-11-12 05:08:38,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-12 05:08:38,471 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 6.642857142857143) internal successors, (93), 13 states have internal predecessors, (93), 4 states have call successors, (57), 3 states have call predecessors, (57), 5 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) Word has length 209 [2024-11-12 05:08:38,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:08:38,481 INFO L225 Difference]: With dead ends: 4506 [2024-11-12 05:08:38,481 INFO L226 Difference]: Without dead ends: 2471 [2024-11-12 05:08:38,486 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 515 GetRequests, 476 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=427, Invalid=1055, Unknown=0, NotChecked=0, Total=1482 [2024-11-12 05:08:38,486 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 677 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 683 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 05:08:38,487 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [683 Valid, 645 Invalid, 902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 714 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 05:08:38,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2471 states. [2024-11-12 05:08:38,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2471 to 1367. [2024-11-12 05:08:38,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1367 states, 1178 states have (on average 1.4125636672325976) internal successors, (1664), 1182 states have internal predecessors, (1664), 152 states have call successors, (152), 36 states have call predecessors, (152), 36 states have return successors, (152), 148 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-12 05:08:38,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1367 states and 1968 transitions. [2024-11-12 05:08:38,627 INFO L78 Accepts]: Start accepts. Automaton has 1367 states and 1968 transitions. Word has length 209 [2024-11-12 05:08:38,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:08:38,628 INFO L471 AbstractCegarLoop]: Abstraction has 1367 states and 1968 transitions. [2024-11-12 05:08:38,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.642857142857143) internal successors, (93), 13 states have internal predecessors, (93), 4 states have call successors, (57), 3 states have call predecessors, (57), 5 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) [2024-11-12 05:08:38,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 1968 transitions. [2024-11-12 05:08:38,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-12 05:08:38,630 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:08:38,630 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 05:08:38,653 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-12 05:08:38,830 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,SelfDestructingSolverStorable19 [2024-11-12 05:08:38,831 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:08:38,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:08:38,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1606907795, now seen corresponding path program 1 times [2024-11-12 05:08:38,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:08:38,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980355330] [2024-11-12 05:08:38,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:08:38,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:08:38,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat