./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-81.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 c0b041aa2b39223b19922ade0fcc5fbdd940e679150ec973bead00d3f56ba2c8 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 03:15:53,712 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 03:15:53,786 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 03:15:53,792 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 03:15:53,793 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 03:15:53,816 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 03:15:53,817 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 03:15:53,817 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 03:15:53,818 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 03:15:53,818 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 03:15:53,819 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 03:15:53,819 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 03:15:53,820 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 03:15:53,820 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 03:15:53,820 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 03:15:53,821 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 03:15:53,821 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 03:15:53,821 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 03:15:53,822 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 03:15:53,822 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 03:15:53,823 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 03:15:53,823 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 03:15:53,824 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 03:15:53,824 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 03:15:53,824 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 03:15:53,825 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 03:15:53,825 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 03:15:53,825 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 03:15:53,826 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 03:15:53,826 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 03:15:53,826 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 03:15:53,827 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 03:15:53,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 03:15:53,827 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 03:15:53,827 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 03:15:53,828 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 03:15:53,828 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 03:15:53,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 03:15:53,828 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 03:15:53,829 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 03:15:53,829 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 03:15:53,830 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 03:15:53,830 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0b041aa2b39223b19922ade0fcc5fbdd940e679150ec973bead00d3f56ba2c8 [2024-11-12 03:15:54,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 03:15:54,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 03:15:54,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 03:15:54,104 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 03:15:54,105 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 03:15:54,106 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-81.i [2024-11-12 03:15:55,685 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 03:15:55,901 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 03:15:55,904 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-81.i [2024-11-12 03:15:55,916 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95e04cb36/a1f067439b9e4220a04e51796eed9395/FLAGb1d9f8618 [2024-11-12 03:15:55,929 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95e04cb36/a1f067439b9e4220a04e51796eed9395 [2024-11-12 03:15:55,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 03:15:55,932 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 03:15:55,933 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 03:15:55,933 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 03:15:55,938 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 03:15:55,939 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 03:15:55" (1/1) ... [2024-11-12 03:15:55,940 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74359b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:15:55, skipping insertion in model container [2024-11-12 03:15:55,940 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 03:15:55" (1/1) ... [2024-11-12 03:15:55,971 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 03:15:56,222 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-81.i[919,932] [2024-11-12 03:15:56,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 03:15:56,337 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 03:15:56,347 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-81.i[919,932] [2024-11-12 03:15:56,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 03:15:56,407 INFO L204 MainTranslator]: Completed translation [2024-11-12 03:15:56,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:15:56 WrapperNode [2024-11-12 03:15:56,408 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 03:15:56,409 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 03:15:56,409 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 03:15:56,409 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 03:15:56,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:15:56" (1/1) ... [2024-11-12 03:15:56,427 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:15:56" (1/1) ... [2024-11-12 03:15:56,484 INFO L138 Inliner]: procedures = 26, calls = 61, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 302 [2024-11-12 03:15:56,484 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 03:15:56,485 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 03:15:56,485 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 03:15:56,485 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 03:15:56,501 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:15:56" (1/1) ... [2024-11-12 03:15:56,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:15:56" (1/1) ... [2024-11-12 03:15:56,512 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:15:56" (1/1) ... [2024-11-12 03:15:56,553 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 03:15:56,555 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:15:56" (1/1) ... [2024-11-12 03:15:56,555 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:15:56" (1/1) ... [2024-11-12 03:15:56,573 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:15:56" (1/1) ... [2024-11-12 03:15:56,578 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:15:56" (1/1) ... [2024-11-12 03:15:56,582 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:15:56" (1/1) ... [2024-11-12 03:15:56,585 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:15:56" (1/1) ... [2024-11-12 03:15:56,590 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 03:15:56,591 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 03:15:56,591 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 03:15:56,592 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 03:15:56,592 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:15:56" (1/1) ... [2024-11-12 03:15:56,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 03:15:56,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 03:15:56,633 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 03:15:56,636 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 03:15:56,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 03:15:56,685 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 03:15:56,686 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 03:15:56,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 03:15:56,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 03:15:56,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 03:15:56,811 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 03:15:56,814 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 03:15:57,383 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-12 03:15:57,383 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 03:15:57,405 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 03:15:57,405 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 03:15:57,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 03:15:57 BoogieIcfgContainer [2024-11-12 03:15:57,406 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 03:15:57,410 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 03:15:57,410 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 03:15:57,413 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 03:15:57,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 03:15:55" (1/3) ... [2024-11-12 03:15:57,415 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aaf700a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 03:15:57, skipping insertion in model container [2024-11-12 03:15:57,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:15:56" (2/3) ... [2024-11-12 03:15:57,416 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aaf700a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 03:15:57, skipping insertion in model container [2024-11-12 03:15:57,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 03:15:57" (3/3) ... [2024-11-12 03:15:57,418 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-81.i [2024-11-12 03:15:57,436 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 03:15:57,437 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 03:15:57,506 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 03:15:57,513 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;@69418fd2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 03:15:57,514 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 03:15:57,520 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 80 states have (on average 1.425) internal successors, (114), 81 states have internal predecessors, (114), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-12 03:15:57,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-12 03:15:57,544 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:15:57,546 INFO L218 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:15:57,547 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:15:57,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:15:57,553 INFO L85 PathProgramCache]: Analyzing trace with hash -757152195, now seen corresponding path program 1 times [2024-11-12 03:15:57,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:15:57,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979907333] [2024-11-12 03:15:57,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:15:57,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:15:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:57,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:15:57,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:57,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:15:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:57,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:15:57,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:57,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:15:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:15:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:15:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:15:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:15:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:15:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:15:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:15:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:15:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:15:58,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:15:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:15:58,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:15:58,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:15:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:15:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:15:58,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:15:58,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:15:58,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:15:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:15:58,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:15:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 03:15:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:15:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 03:15:58,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 03:15:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 03:15:58,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 03:15:58,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 03:15:58,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 03:15:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 03:15:58,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 03:15:58,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 03:15:58,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 03:15:58,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-12 03:15:58,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 03:15:58,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 03:15:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 03:15:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 03:15:58,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-12 03:15:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-12 03:15:58,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-12 03:15:58,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-12 03:15:58,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-12 03:15:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-12 03:15:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-12 03:15:58,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:15:58,327 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-12 03:15:58,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:15:58,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979907333] [2024-11-12 03:15:58,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979907333] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:15:58,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:15:58,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 03:15:58,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207935315] [2024-11-12 03:15:58,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:15:58,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 03:15:58,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:15:58,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 03:15:58,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 03:15:58,362 INFO L87 Difference]: Start difference. First operand has 131 states, 80 states have (on average 1.425) internal successors, (114), 81 states have internal predecessors, (114), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-12 03:15:58,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:15:58,410 INFO L93 Difference]: Finished difference Result 255 states and 462 transitions. [2024-11-12 03:15:58,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 03:15:58,415 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 295 [2024-11-12 03:15:58,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:15:58,424 INFO L225 Difference]: With dead ends: 255 [2024-11-12 03:15:58,424 INFO L226 Difference]: Without dead ends: 127 [2024-11-12 03:15:58,429 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 146 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 03:15:58,436 INFO L435 NwaCegarLoop]: 203 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, 203 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 03:15:58,438 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 03:15:58,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-12 03:15:58,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2024-11-12 03:15:58,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 77 states have (on average 1.3896103896103895) internal successors, (107), 77 states have internal predecessors, (107), 48 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-12 03:15:58,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 203 transitions. [2024-11-12 03:15:58,499 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 203 transitions. Word has length 295 [2024-11-12 03:15:58,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:15:58,500 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 203 transitions. [2024-11-12 03:15:58,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-12 03:15:58,500 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 203 transitions. [2024-11-12 03:15:58,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-12 03:15:58,508 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:15:58,508 INFO L218 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:15:58,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 03:15:58,509 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:15:58,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:15:58,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1235359541, now seen corresponding path program 1 times [2024-11-12 03:15:58,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:15:58,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607735763] [2024-11-12 03:15:58,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:15:58,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:15:58,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:00,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:16:00,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:00,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:16:00,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:00,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:16:00,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:00,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:16:00,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:00,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:16:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:00,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:16:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:00,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:16:00,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:00,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:16:00,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:00,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:16:00,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:00,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:16:00,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:00,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:16:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:01,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:16:01,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:01,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:16:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:01,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:16:01,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:01,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:16:01,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:01,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:16:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:01,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:16:01,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:01,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:16:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:01,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:16:01,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:01,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:16:01,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:01,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:16:01,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:01,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:16:01,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:01,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:16:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:01,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:16:01,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:01,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 03:16:01,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:01,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:16:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:01,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 03:16:01,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:01,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 03:16:01,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:01,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 03:16:01,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:01,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 03:16:01,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:01,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 03:16:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:01,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 03:16:01,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:01,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 03:16:01,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:01,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 03:16:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:01,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 03:16:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:01,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 03:16:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:01,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-12 03:16:01,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:01,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 03:16:01,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:01,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 03:16:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:01,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 03:16:01,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:01,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 03:16:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:01,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-12 03:16:01,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:01,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-12 03:16:01,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:01,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-12 03:16:01,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:01,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-12 03:16:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:01,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-12 03:16:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:01,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-12 03:16:01,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:01,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-12 03:16:01,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:01,547 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-12 03:16:01,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:16:01,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607735763] [2024-11-12 03:16:01,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607735763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:16:01,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:16:01,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 03:16:01,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928947197] [2024-11-12 03:16:01,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:16:01,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 03:16:01,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:16:01,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 03:16:01,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-12 03:16:01,551 INFO L87 Difference]: Start difference. First operand 127 states and 203 transitions. Second operand has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-12 03:16:02,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:16:02,943 INFO L93 Difference]: Finished difference Result 418 states and 672 transitions. [2024-11-12 03:16:02,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 03:16:02,944 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 295 [2024-11-12 03:16:02,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:16:02,952 INFO L225 Difference]: With dead ends: 418 [2024-11-12 03:16:02,953 INFO L226 Difference]: Without dead ends: 294 [2024-11-12 03:16:02,955 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-12 03:16:02,956 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 384 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 560 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 860 SdHoareTripleChecker+Invalid, 705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-12 03:16:02,958 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 860 Invalid, 705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 560 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-12 03:16:02,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-11-12 03:16:03,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 212. [2024-11-12 03:16:03,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 113 states have (on average 1.2920353982300885) internal successors, (146), 113 states have internal predecessors, (146), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-12 03:16:03,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 338 transitions. [2024-11-12 03:16:03,044 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 338 transitions. Word has length 295 [2024-11-12 03:16:03,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:16:03,046 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 338 transitions. [2024-11-12 03:16:03,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-12 03:16:03,047 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 338 transitions. [2024-11-12 03:16:03,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-12 03:16:03,052 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:16:03,053 INFO L218 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:16:03,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 03:16:03,053 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:16:03,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:16:03,054 INFO L85 PathProgramCache]: Analyzing trace with hash 812657715, now seen corresponding path program 1 times [2024-11-12 03:16:03,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:16:03,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47636976] [2024-11-12 03:16:03,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:16:03,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:16:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:16:20,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:16:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:16:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:16:20,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:16:20,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:16:20,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:16:20,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:16:20,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:16:20,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:16:20,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:16:20,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:16:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:16:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:16:20,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:16:20,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:16:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:16:20,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:16:20,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:16:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:16:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:16:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:16:20,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:16:20,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:16:20,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 03:16:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:16:20,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 03:16:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 03:16:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 03:16:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 03:16:20,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 03:16:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 03:16:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 03:16:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 03:16:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 03:16:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 03:16:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-12 03:16:20,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 03:16:20,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 03:16:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 03:16:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 03:16:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-12 03:16:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-12 03:16:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-12 03:16:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-12 03:16:20,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-12 03:16:20,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-12 03:16:20,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-12 03:16:20,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:20,573 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-12 03:16:20,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:16:20,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47636976] [2024-11-12 03:16:20,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47636976] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:16:20,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:16:20,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-12 03:16:20,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184406986] [2024-11-12 03:16:20,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:16:20,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-12 03:16:20,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:16:20,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-12 03:16:20,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-12 03:16:20,579 INFO L87 Difference]: Start difference. First operand 212 states and 338 transitions. Second operand has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-12 03:16:24,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:16:24,945 INFO L93 Difference]: Finished difference Result 540 states and 867 transitions. [2024-11-12 03:16:24,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 03:16:24,946 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 295 [2024-11-12 03:16:24,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:16:24,950 INFO L225 Difference]: With dead ends: 540 [2024-11-12 03:16:24,950 INFO L226 Difference]: Without dead ends: 416 [2024-11-12 03:16:24,951 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=123, Invalid=339, Unknown=0, NotChecked=0, Total=462 [2024-11-12 03:16:24,955 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 1176 mSDsluCounter, 1095 mSDsCounter, 0 mSdLazyCounter, 1004 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1176 SdHoareTripleChecker+Valid, 1257 SdHoareTripleChecker+Invalid, 1198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 1004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-12 03:16:24,956 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1176 Valid, 1257 Invalid, 1198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 1004 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-12 03:16:24,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-11-12 03:16:25,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 244. [2024-11-12 03:16:25,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 145 states have (on average 1.3793103448275863) internal successors, (200), 145 states have internal predecessors, (200), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-12 03:16:25,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 392 transitions. [2024-11-12 03:16:25,019 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 392 transitions. Word has length 295 [2024-11-12 03:16:25,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:16:25,020 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 392 transitions. [2024-11-12 03:16:25,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-12 03:16:25,021 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 392 transitions. [2024-11-12 03:16:25,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-12 03:16:25,026 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:16:25,027 INFO L218 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:16:25,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 03:16:25,027 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:16:25,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:16:25,028 INFO L85 PathProgramCache]: Analyzing trace with hash -876286027, now seen corresponding path program 1 times [2024-11-12 03:16:25,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:16:25,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722920184] [2024-11-12 03:16:25,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:16:25,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:16:25,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:16:25,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:16:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:16:25,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:16:25,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:16:25,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:16:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:16:25,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:16:25,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:16:25,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:16:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:16:25,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:16:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:16:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:16:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:16:25,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:16:25,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:16:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:16:25,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:16:25,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:16:25,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:16:25,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:16:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:16:25,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:16:25,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 03:16:25,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:16:25,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 03:16:25,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 03:16:25,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 03:16:25,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 03:16:25,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 03:16:25,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 03:16:25,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 03:16:25,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 03:16:25,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 03:16:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 03:16:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-12 03:16:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 03:16:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 03:16:25,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 03:16:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 03:16:25,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-12 03:16:25,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-12 03:16:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-12 03:16:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-12 03:16:25,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-12 03:16:25,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-12 03:16:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-12 03:16:25,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:25,470 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-12 03:16:25,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:16:25,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722920184] [2024-11-12 03:16:25,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722920184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:16:25,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:16:25,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 03:16:25,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484724135] [2024-11-12 03:16:25,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:16:25,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 03:16:25,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:16:25,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 03:16:25,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 03:16:25,474 INFO L87 Difference]: Start difference. First operand 244 states and 392 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-12 03:16:25,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:16:25,559 INFO L93 Difference]: Finished difference Result 422 states and 676 transitions. [2024-11-12 03:16:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 03:16:25,563 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 295 [2024-11-12 03:16:25,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:16:25,566 INFO L225 Difference]: With dead ends: 422 [2024-11-12 03:16:25,567 INFO L226 Difference]: Without dead ends: 298 [2024-11-12 03:16:25,569 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 99 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 03:16:25,570 INFO L435 NwaCegarLoop]: 212 mSDtfsCounter, 77 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 03:16:25,570 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 600 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 03:16:25,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2024-11-12 03:16:25,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 295. [2024-11-12 03:16:25,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 191 states have (on average 1.418848167539267) internal successors, (271), 192 states have internal predecessors, (271), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-12 03:16:25,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 471 transitions. [2024-11-12 03:16:25,627 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 471 transitions. Word has length 295 [2024-11-12 03:16:25,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:16:25,629 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 471 transitions. [2024-11-12 03:16:25,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-12 03:16:25,630 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 471 transitions. [2024-11-12 03:16:25,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-12 03:16:25,633 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:16:25,634 INFO L218 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:16:25,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 03:16:25,634 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:16:25,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:16:25,635 INFO L85 PathProgramCache]: Analyzing trace with hash -4990735, now seen corresponding path program 1 times [2024-11-12 03:16:25,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:16:25,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007057512] [2024-11-12 03:16:25,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:16:25,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:16:25,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:40,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:16:40,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:40,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:16:40,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:40,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:16:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:40,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:16:40,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:40,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:16:40,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:40,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:16:40,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:40,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:16:40,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:40,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:16:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:40,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:16:40,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:40,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:16:40,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:40,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:16:40,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:40,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:16:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:40,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:16:40,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:40,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:16:40,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:40,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:16:40,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:40,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:16:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:40,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:16:40,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:40,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:16:40,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:40,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:16:40,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:40,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:16:40,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:40,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:16:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:40,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:16:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:40,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:16:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:40,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:16:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:40,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 03:16:40,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:40,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:16:40,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:40,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 03:16:40,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:40,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 03:16:40,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:40,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 03:16:40,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:40,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 03:16:40,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:40,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 03:16:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:40,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 03:16:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:41,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 03:16:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:41,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 03:16:41,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:41,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 03:16:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:41,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 03:16:41,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:41,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-12 03:16:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:41,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 03:16:41,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:41,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 03:16:41,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:41,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 03:16:41,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:41,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 03:16:41,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:41,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-12 03:16:41,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:41,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-12 03:16:41,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:41,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-12 03:16:41,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:41,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-12 03:16:41,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:41,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-12 03:16:41,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:41,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-12 03:16:41,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:41,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-12 03:16:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:41,137 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-12 03:16:41,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:16:41,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007057512] [2024-11-12 03:16:41,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007057512] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:16:41,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:16:41,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-12 03:16:41,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286712719] [2024-11-12 03:16:41,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:16:41,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 03:16:41,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:16:41,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 03:16:41,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-12 03:16:41,143 INFO L87 Difference]: Start difference. First operand 295 states and 471 transitions. Second operand has 14 states, 14 states have (on average 4.142857142857143) internal successors, (58), 14 states have internal predecessors, (58), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-12 03:16:45,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:16:45,048 INFO L93 Difference]: Finished difference Result 629 states and 1005 transitions. [2024-11-12 03:16:45,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 03:16:45,049 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.142857142857143) internal successors, (58), 14 states have internal predecessors, (58), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) Word has length 295 [2024-11-12 03:16:45,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:16:45,055 INFO L225 Difference]: With dead ends: 629 [2024-11-12 03:16:45,056 INFO L226 Difference]: Without dead ends: 454 [2024-11-12 03:16:45,057 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 98 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=142, Invalid=410, Unknown=0, NotChecked=0, Total=552 [2024-11-12 03:16:45,057 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 624 mSDsluCounter, 1036 mSDsCounter, 0 mSdLazyCounter, 785 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 624 SdHoareTripleChecker+Valid, 1200 SdHoareTripleChecker+Invalid, 979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-12 03:16:45,058 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [624 Valid, 1200 Invalid, 979 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 785 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-12 03:16:45,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2024-11-12 03:16:45,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 295. [2024-11-12 03:16:45,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 191 states have (on average 1.418848167539267) internal successors, (271), 192 states have internal predecessors, (271), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-12 03:16:45,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 471 transitions. [2024-11-12 03:16:45,107 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 471 transitions. Word has length 295 [2024-11-12 03:16:45,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:16:45,108 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 471 transitions. [2024-11-12 03:16:45,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.142857142857143) internal successors, (58), 14 states have internal predecessors, (58), 2 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 2 states have call successors, (48) [2024-11-12 03:16:45,108 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 471 transitions. [2024-11-12 03:16:45,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-12 03:16:45,114 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:16:45,115 INFO L218 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:16:45,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 03:16:45,117 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:16:45,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:16:45,118 INFO L85 PathProgramCache]: Analyzing trace with hash -570078793, now seen corresponding path program 1 times [2024-11-12 03:16:45,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:16:45,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085082396] [2024-11-12 03:16:45,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:16:45,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:16:45,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:45,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:16:45,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:45,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:16:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:45,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:16:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:45,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:16:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:45,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:16:45,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:45,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:16:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:45,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:16:45,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:45,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:16:45,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:45,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:16:45,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:45,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:16:45,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:45,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:16:45,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:45,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:16:45,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:45,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:16:45,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:45,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:16:45,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:45,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:16:45,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:45,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:16:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:45,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:16:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:45,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:16:45,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:45,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:16:45,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:45,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:16:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:45,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:16:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:45,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:16:45,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:45,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:16:45,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:45,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:16:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:45,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 03:16:45,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:45,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:16:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:45,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 03:16:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:45,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 03:16:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:45,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 03:16:45,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:45,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 03:16:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:45,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 03:16:45,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:45,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 03:16:45,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:45,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 03:16:45,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:45,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 03:16:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:45,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 03:16:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:45,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 03:16:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:45,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-12 03:16:45,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:45,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 03:16:45,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:45,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 03:16:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:46,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 03:16:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:46,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 03:16:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:46,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-12 03:16:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:46,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-12 03:16:46,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:46,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-12 03:16:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:46,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-12 03:16:46,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:46,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-12 03:16:46,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:46,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-12 03:16:46,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:46,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-12 03:16:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:46,044 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-12 03:16:46,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:16:46,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085082396] [2024-11-12 03:16:46,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085082396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:16:46,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:16:46,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 03:16:46,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785173639] [2024-11-12 03:16:46,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:16:46,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 03:16:46,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:16:46,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 03:16:46,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-12 03:16:46,048 INFO L87 Difference]: Start difference. First operand 295 states and 471 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-12 03:16:46,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:16:46,662 INFO L93 Difference]: Finished difference Result 552 states and 884 transitions. [2024-11-12 03:16:46,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 03:16:46,663 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 295 [2024-11-12 03:16:46,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:16:46,666 INFO L225 Difference]: With dead ends: 552 [2024-11-12 03:16:46,666 INFO L226 Difference]: Without dead ends: 377 [2024-11-12 03:16:46,667 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-12 03:16:46,668 INFO L435 NwaCegarLoop]: 193 mSDtfsCounter, 183 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 815 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 03:16:46,668 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 815 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 03:16:46,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-11-12 03:16:46,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 297. [2024-11-12 03:16:46,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 193 states have (on average 1.4145077720207253) internal successors, (273), 194 states have internal predecessors, (273), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-12 03:16:46,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 473 transitions. [2024-11-12 03:16:46,707 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 473 transitions. Word has length 295 [2024-11-12 03:16:46,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:16:46,708 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 473 transitions. [2024-11-12 03:16:46,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-12 03:16:46,709 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 473 transitions. [2024-11-12 03:16:46,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-12 03:16:46,710 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:16:46,710 INFO L218 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:16:46,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 03:16:46,711 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:16:46,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:16:46,711 INFO L85 PathProgramCache]: Analyzing trace with hash -992780619, now seen corresponding path program 1 times [2024-11-12 03:16:46,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:16:46,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389664378] [2024-11-12 03:16:46,712 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:16:46,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:16:46,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:16:56,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:16:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:16:56,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:16:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:16:56,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:16:56,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:16:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:16:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:16:56,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:16:56,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:16:56,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:16:56,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:16:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:16:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:16:56,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:16:56,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:16:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:16:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:16:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:16:56,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:16:56,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:16:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:16:56,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:16:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 03:16:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:16:56,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 03:16:56,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 03:16:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 03:16:56,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 03:16:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 03:16:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 03:16:56,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 03:16:56,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 03:16:56,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-12 03:16:56,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-12 03:16:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-12 03:16:56,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-12 03:16:56,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-12 03:16:56,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-12 03:16:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-11-12 03:16:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-12 03:16:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-11-12 03:16:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-12 03:16:56,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-12 03:16:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-12 03:16:56,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-12 03:16:56,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:56,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-12 03:16:57,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:16:57,003 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2024-11-12 03:16:57,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:16:57,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389664378] [2024-11-12 03:16:57,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389664378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:16:57,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:16:57,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 03:16:57,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557197492] [2024-11-12 03:16:57,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:16:57,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 03:16:57,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:16:57,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 03:16:57,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-12 03:16:57,006 INFO L87 Difference]: Start difference. First operand 297 states and 473 transitions. Second operand has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-12 03:16:58,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:16:58,855 INFO L93 Difference]: Finished difference Result 617 states and 984 transitions. [2024-11-12 03:16:58,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 03:16:58,856 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 295 [2024-11-12 03:16:58,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:16:58,860 INFO L225 Difference]: With dead ends: 617 [2024-11-12 03:16:58,860 INFO L226 Difference]: Without dead ends: 442 [2024-11-12 03:16:58,861 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-12 03:16:58,861 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 396 mSDsluCounter, 905 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 1072 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-12 03:16:58,862 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 1072 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-12 03:16:58,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-11-12 03:16:58,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 298. [2024-11-12 03:16:58,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 194 states have (on average 1.4175257731958764) internal successors, (275), 195 states have internal predecessors, (275), 100 states have call successors, (100), 3 states have call predecessors, (100), 3 states have return successors, (100), 99 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-12 03:16:58,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 475 transitions. [2024-11-12 03:16:58,920 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 475 transitions. Word has length 295 [2024-11-12 03:16:58,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:16:58,922 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 475 transitions. [2024-11-12 03:16:58,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2024-11-12 03:16:58,922 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 475 transitions. [2024-11-12 03:16:58,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-12 03:16:58,924 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:16:58,924 INFO L218 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:16:58,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 03:16:58,924 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:16:58,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:16:58,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1810429069, now seen corresponding path program 1 times [2024-11-12 03:16:58,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:16:58,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047334303] [2024-11-12 03:16:58,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:16:58,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:16:59,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat