./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.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 17124c627a77300cd44285b9c4c316438e4d73c0a011ab8330c0a1114bb82733 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 06:00:48,519 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 06:00:48,597 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 06:00:48,602 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 06:00:48,604 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 06:00:48,644 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 06:00:48,645 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 06:00:48,645 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 06:00:48,646 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 06:00:48,648 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 06:00:48,648 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 06:00:48,648 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 06:00:48,649 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 06:00:48,649 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 06:00:48,650 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 06:00:48,652 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 06:00:48,652 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 06:00:48,652 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 06:00:48,652 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 06:00:48,653 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 06:00:48,653 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 06:00:48,657 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 06:00:48,657 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 06:00:48,657 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 06:00:48,658 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 06:00:48,658 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 06:00:48,658 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 06:00:48,658 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 06:00:48,659 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 06:00:48,659 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 06:00:48,659 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 06:00:48,659 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 06:00:48,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 06:00:48,660 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 06:00:48,660 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 06:00:48,661 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 06:00:48,661 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 06:00:48,661 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 06:00:48,661 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 06:00:48,661 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 06:00:48,662 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 06:00:48,663 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 06:00:48,663 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17124c627a77300cd44285b9c4c316438e4d73c0a011ab8330c0a1114bb82733 [2024-10-24 06:00:48,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 06:00:48,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 06:00:48,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 06:00:48,972 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 06:00:48,972 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 06:00:48,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i [2024-10-24 06:00:50,551 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 06:00:50,787 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 06:00:50,788 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i [2024-10-24 06:00:50,814 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f56090421/e717c59042f74923a875af9bdd961901/FLAG57726172f [2024-10-24 06:00:51,105 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f56090421/e717c59042f74923a875af9bdd961901 [2024-10-24 06:00:51,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 06:00:51,109 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 06:00:51,113 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 06:00:51,114 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 06:00:51,118 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 06:00:51,119 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:00:51" (1/1) ... [2024-10-24 06:00:51,120 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59c72e0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:51, skipping insertion in model container [2024-10-24 06:00:51,120 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:00:51" (1/1) ... [2024-10-24 06:00:51,153 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 06:00:51,313 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i[915,928] [2024-10-24 06:00:51,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 06:00:51,384 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 06:00:51,395 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-10.i[915,928] [2024-10-24 06:00:51,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 06:00:51,449 INFO L204 MainTranslator]: Completed translation [2024-10-24 06:00:51,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:51 WrapperNode [2024-10-24 06:00:51,449 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 06:00:51,450 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 06:00:51,450 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 06:00:51,450 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 06:00:51,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:51" (1/1) ... [2024-10-24 06:00:51,471 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:51" (1/1) ... [2024-10-24 06:00:51,555 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 214 [2024-10-24 06:00:51,563 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 06:00:51,564 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 06:00:51,564 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 06:00:51,564 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 06:00:51,582 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:51" (1/1) ... [2024-10-24 06:00:51,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:51" (1/1) ... [2024-10-24 06:00:51,624 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:51" (1/1) ... [2024-10-24 06:00:51,668 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 06:00:51,671 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:51" (1/1) ... [2024-10-24 06:00:51,675 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:51" (1/1) ... [2024-10-24 06:00:51,693 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:51" (1/1) ... [2024-10-24 06:00:51,700 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:51" (1/1) ... [2024-10-24 06:00:51,709 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:51" (1/1) ... [2024-10-24 06:00:51,715 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:51" (1/1) ... [2024-10-24 06:00:51,722 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 06:00:51,724 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 06:00:51,724 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 06:00:51,725 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 06:00:51,725 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:51" (1/1) ... [2024-10-24 06:00:51,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 06:00:51,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 06:00:51,755 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 06:00:51,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 06:00:51,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 06:00:51,797 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 06:00:51,797 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 06:00:51,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 06:00:51,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 06:00:51,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 06:00:51,882 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 06:00:51,884 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 06:00:52,324 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-10-24 06:00:52,325 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 06:00:52,370 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 06:00:52,370 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 06:00:52,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:00:52 BoogieIcfgContainer [2024-10-24 06:00:52,373 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 06:00:52,375 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 06:00:52,376 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 06:00:52,379 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 06:00:52,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 06:00:51" (1/3) ... [2024-10-24 06:00:52,380 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bbb491f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:00:52, skipping insertion in model container [2024-10-24 06:00:52,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:00:51" (2/3) ... [2024-10-24 06:00:52,380 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bbb491f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:00:52, skipping insertion in model container [2024-10-24 06:00:52,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:00:52" (3/3) ... [2024-10-24 06:00:52,381 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-10.i [2024-10-24 06:00:52,396 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 06:00:52,396 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 06:00:52,458 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 06:00:52,466 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;@1043ea66, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 06:00:52,466 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 06:00:52,470 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 58 states have (on average 1.4482758620689655) internal successors, (84), 59 states have internal predecessors, (84), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-24 06:00:52,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-10-24 06:00:52,484 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:00:52,485 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:00:52,486 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:00:52,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:00:52,491 INFO L85 PathProgramCache]: Analyzing trace with hash 493176196, now seen corresponding path program 1 times [2024-10-24 06:00:52,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:00:52,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142861147] [2024-10-24 06:00:52,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:00:52,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:00:52,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:52,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:00:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:52,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:00:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:52,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:00:52,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:52,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:00:52,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:52,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:00:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:52,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:00:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:52,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:00:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:52,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:00:52,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:52,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:00:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:52,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:00:52,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:52,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:00:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:52,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:00:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:52,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 06:00:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:52,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:00:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:52,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 06:00:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:52,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:00:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:52,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 06:00:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:52,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:00:52,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:52,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 06:00:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:52,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:00:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:52,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 06:00:52,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:52,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 06:00:52,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:52,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 06:00:52,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:52,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 06:00:52,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:52,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 06:00:52,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:52,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-10-24 06:00:52,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:00:52,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142861147] [2024-10-24 06:00:52,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142861147] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:00:52,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:00:52,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 06:00:52,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426960978] [2024-10-24 06:00:52,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:00:52,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 06:00:52,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:00:52,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 06:00:52,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 06:00:52,920 INFO L87 Difference]: Start difference. First operand has 86 states, 58 states have (on average 1.4482758620689655) internal successors, (84), 59 states have internal predecessors, (84), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-10-24 06:00:53,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:00:53,051 INFO L93 Difference]: Finished difference Result 169 states and 291 transitions. [2024-10-24 06:00:53,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 06:00:53,055 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) Word has length 160 [2024-10-24 06:00:53,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:00:53,066 INFO L225 Difference]: With dead ends: 169 [2024-10-24 06:00:53,067 INFO L226 Difference]: Without dead ends: 84 [2024-10-24 06:00:53,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 06:00:53,077 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 06:00:53,078 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 06:00:53,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-10-24 06:00:53,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2024-10-24 06:00:53,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 57 states have (on average 1.368421052631579) internal successors, (78), 57 states have internal predecessors, (78), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-24 06:00:53,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 128 transitions. [2024-10-24 06:00:53,142 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 128 transitions. Word has length 160 [2024-10-24 06:00:53,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:00:53,142 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 128 transitions. [2024-10-24 06:00:53,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 2 states have call successors, (25) [2024-10-24 06:00:53,143 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 128 transitions. [2024-10-24 06:00:53,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-10-24 06:00:53,154 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:00:53,154 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:00:53,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 06:00:53,155 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:00:53,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:00:53,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1573196028, now seen corresponding path program 1 times [2024-10-24 06:00:53,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:00:53,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376622120] [2024-10-24 06:00:53,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:00:53,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:00:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:53,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:00:53,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:53,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:00:53,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:53,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:00:53,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:53,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:00:53,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:53,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:00:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:53,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:00:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:53,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:00:53,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:53,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:00:53,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:53,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:00:53,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:53,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:00:53,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:53,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:00:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:53,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:00:53,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:53,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 06:00:53,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:53,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:00:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:53,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 06:00:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:53,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:00:53,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:53,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 06:00:53,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:53,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:00:53,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:53,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 06:00:53,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:53,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:00:53,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:53,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 06:00:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:53,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 06:00:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:53,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 06:00:53,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:53,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 06:00:53,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:53,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 06:00:53,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:53,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-10-24 06:00:53,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:00:53,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376622120] [2024-10-24 06:00:53,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376622120] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:00:53,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:00:53,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 06:00:53,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889279696] [2024-10-24 06:00:53,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:00:53,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 06:00:53,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:00:53,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 06:00:53,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 06:00:53,754 INFO L87 Difference]: Start difference. First operand 84 states and 128 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-10-24 06:00:54,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:00:54,001 INFO L93 Difference]: Finished difference Result 251 states and 383 transitions. [2024-10-24 06:00:54,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 06:00:54,005 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 161 [2024-10-24 06:00:54,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:00:54,007 INFO L225 Difference]: With dead ends: 251 [2024-10-24 06:00:54,011 INFO L226 Difference]: Without dead ends: 168 [2024-10-24 06:00:54,012 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 06:00:54,013 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 90 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 06:00:54,013 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 482 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 06:00:54,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2024-10-24 06:00:54,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 135. [2024-10-24 06:00:54,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 82 states have (on average 1.3048780487804879) internal successors, (107), 82 states have internal predecessors, (107), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-24 06:00:54,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 207 transitions. [2024-10-24 06:00:54,052 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 207 transitions. Word has length 161 [2024-10-24 06:00:54,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:00:54,053 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 207 transitions. [2024-10-24 06:00:54,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-10-24 06:00:54,053 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 207 transitions. [2024-10-24 06:00:54,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-10-24 06:00:54,057 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:00:54,057 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:00:54,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 06:00:54,057 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:00:54,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:00:54,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1927311502, now seen corresponding path program 1 times [2024-10-24 06:00:54,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:00:54,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377457653] [2024-10-24 06:00:54,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:00:54,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:00:54,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:00:54,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:00:54,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:00:54,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:00:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:00:54,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:00:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:00:54,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:00:54,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:00:54,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:00:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:00:54,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:00:54,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 06:00:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:00:54,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 06:00:54,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:00:54,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 06:00:54,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:00:54,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 06:00:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:00:54,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 06:00:54,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 06:00:54,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 06:00:54,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 06:00:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 06:00:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-10-24 06:00:54,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:00:54,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377457653] [2024-10-24 06:00:54,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377457653] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:00:54,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:00:54,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 06:00:54,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336852658] [2024-10-24 06:00:54,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:00:54,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 06:00:54,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:00:54,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 06:00:54,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 06:00:54,370 INFO L87 Difference]: Start difference. First operand 135 states and 207 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-10-24 06:00:54,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:00:54,514 INFO L93 Difference]: Finished difference Result 230 states and 346 transitions. [2024-10-24 06:00:54,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 06:00:54,515 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 162 [2024-10-24 06:00:54,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:00:54,517 INFO L225 Difference]: With dead ends: 230 [2024-10-24 06:00:54,519 INFO L226 Difference]: Without dead ends: 145 [2024-10-24 06:00:54,520 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 06:00:54,521 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 108 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 06:00:54,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 211 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 06:00:54,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-10-24 06:00:54,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2024-10-24 06:00:54,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 90 states have (on average 1.2777777777777777) internal successors, (115), 90 states have internal predecessors, (115), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-24 06:00:54,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 215 transitions. [2024-10-24 06:00:54,552 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 215 transitions. Word has length 162 [2024-10-24 06:00:54,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:00:54,553 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 215 transitions. [2024-10-24 06:00:54,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-10-24 06:00:54,553 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 215 transitions. [2024-10-24 06:00:54,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-24 06:00:54,555 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:00:54,555 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:00:54,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 06:00:54,556 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:00:54,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:00:54,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1495984691, now seen corresponding path program 1 times [2024-10-24 06:00:54,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:00:54,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863340196] [2024-10-24 06:00:54,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:00:54,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:00:54,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:00:54,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:00:54,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:00:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:00:54,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:00:54,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:00:54,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:00:54,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:00:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:00:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:00:54,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:00:54,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:00:54,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 06:00:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:00:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 06:00:54,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:00:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 06:00:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:00:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 06:00:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:00:54,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 06:00:54,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 06:00:54,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 06:00:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 06:00:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 06:00:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:54,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-10-24 06:00:54,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:00:54,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863340196] [2024-10-24 06:00:54,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863340196] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:00:54,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:00:54,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 06:00:54,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049945125] [2024-10-24 06:00:54,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:00:54,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 06:00:54,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:00:54,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 06:00:54,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 06:00:54,811 INFO L87 Difference]: Start difference. First operand 145 states and 215 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-10-24 06:00:54,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:00:54,917 INFO L93 Difference]: Finished difference Result 237 states and 352 transitions. [2024-10-24 06:00:54,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 06:00:54,918 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 163 [2024-10-24 06:00:54,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:00:54,919 INFO L225 Difference]: With dead ends: 237 [2024-10-24 06:00:54,919 INFO L226 Difference]: Without dead ends: 147 [2024-10-24 06:00:54,920 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 06:00:54,921 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 105 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 06:00:54,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 287 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 06:00:54,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-10-24 06:00:54,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 145. [2024-10-24 06:00:54,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 90 states have (on average 1.2777777777777777) internal successors, (115), 90 states have internal predecessors, (115), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-24 06:00:54,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 215 transitions. [2024-10-24 06:00:54,937 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 215 transitions. Word has length 163 [2024-10-24 06:00:54,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:00:54,938 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 215 transitions. [2024-10-24 06:00:54,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-10-24 06:00:54,938 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 215 transitions. [2024-10-24 06:00:54,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-24 06:00:54,940 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:00:54,940 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:00:54,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 06:00:54,941 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:00:54,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:00:54,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1808738107, now seen corresponding path program 1 times [2024-10-24 06:00:54,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:00:54,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484769592] [2024-10-24 06:00:54,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:00:54,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:00:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:55,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:00:55,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:55,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:00:55,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:55,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:00:55,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:55,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:00:55,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:55,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:00:55,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:55,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:00:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:55,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:00:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:55,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:00:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:55,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:00:55,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:55,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:00:55,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:55,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:00:55,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:55,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:00:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:55,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 06:00:55,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:55,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:00:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:55,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 06:00:55,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:55,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:00:55,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:55,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 06:00:55,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:55,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:00:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:55,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 06:00:55,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:55,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:00:55,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:55,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 06:00:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:55,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 06:00:55,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:55,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 06:00:55,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:55,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 06:00:55,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:55,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 06:00:55,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:00:55,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-10-24 06:00:55,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:00:55,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484769592] [2024-10-24 06:00:55,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484769592] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:00:55,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:00:55,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 06:00:55,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116389381] [2024-10-24 06:00:55,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:00:55,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 06:00:55,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:00:55,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 06:00:55,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 06:00:55,106 INFO L87 Difference]: Start difference. First operand 145 states and 215 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-10-24 06:00:55,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:00:55,127 INFO L93 Difference]: Finished difference Result 235 states and 348 transitions. [2024-10-24 06:00:55,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 06:00:55,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 163 [2024-10-24 06:00:55,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:00:55,130 INFO L225 Difference]: With dead ends: 235 [2024-10-24 06:00:55,130 INFO L226 Difference]: Without dead ends: 145 [2024-10-24 06:00:55,130 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 06:00:55,131 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 122 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 06:00:55,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 254 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 06:00:55,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-10-24 06:00:55,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2024-10-24 06:00:55,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 90 states have (on average 1.2555555555555555) internal successors, (113), 90 states have internal predecessors, (113), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-24 06:00:55,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 213 transitions. [2024-10-24 06:00:55,147 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 213 transitions. Word has length 163 [2024-10-24 06:00:55,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:00:55,148 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 213 transitions. [2024-10-24 06:00:55,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-10-24 06:00:55,148 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 213 transitions. [2024-10-24 06:00:55,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-24 06:00:55,149 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:00:55,149 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:00:55,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 06:00:55,150 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:00:55,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:00:55,150 INFO L85 PathProgramCache]: Analyzing trace with hash 991089657, now seen corresponding path program 1 times [2024-10-24 06:00:55,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:00:55,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542412885] [2024-10-24 06:00:55,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:00:55,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:00:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:01:51,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:01:51,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:01:51,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:01:51,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:01:51,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:01:51,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:01:51,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:01:51,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:01:51,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:01:51,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:01:51,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:01:51,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:01:51,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:01:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:01:51,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:01:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:01:51,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:01:51,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:01:51,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:01:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:01:51,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:01:51,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:01:51,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:01:51,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:01:51,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 06:01:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:01:51,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:01:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:01:51,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 06:01:51,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:01:51,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:01:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:01:51,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 06:01:51,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:01:51,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:01:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:01:51,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 06:01:51,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:01:51,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:01:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:01:51,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 06:01:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:01:51,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 06:01:51,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:01:51,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 06:01:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:01:51,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 06:01:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:01:51,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 06:01:51,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:01:51,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-10-24 06:01:51,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:01:51,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542412885] [2024-10-24 06:01:51,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542412885] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:01:51,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:01:51,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-24 06:01:51,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466692287] [2024-10-24 06:01:51,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:01:51,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-24 06:01:51,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:01:51,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-24 06:01:51,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2024-10-24 06:01:51,389 INFO L87 Difference]: Start difference. First operand 145 states and 213 transitions. Second operand has 15 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 15 states have internal predecessors, (41), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-10-24 06:01:55,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:01:55,856 INFO L93 Difference]: Finished difference Result 440 states and 639 transitions. [2024-10-24 06:01:55,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-24 06:01:55,857 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 15 states have internal predecessors, (41), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 163 [2024-10-24 06:01:55,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:01:55,859 INFO L225 Difference]: With dead ends: 440 [2024-10-24 06:01:55,859 INFO L226 Difference]: Without dead ends: 352 [2024-10-24 06:01:55,860 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=183, Invalid=573, Unknown=0, NotChecked=0, Total=756 [2024-10-24 06:01:55,861 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 752 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 1382 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 752 SdHoareTripleChecker+Valid, 840 SdHoareTripleChecker+Invalid, 1471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 1382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-24 06:01:55,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [752 Valid, 840 Invalid, 1471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 1382 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-24 06:01:55,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-10-24 06:01:55,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 195. [2024-10-24 06:01:55,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 140 states have (on average 1.3214285714285714) internal successors, (185), 140 states have internal predecessors, (185), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-24 06:01:55,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 285 transitions. [2024-10-24 06:01:55,879 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 285 transitions. Word has length 163 [2024-10-24 06:01:55,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:01:55,880 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 285 transitions. [2024-10-24 06:01:55,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 15 states have internal predecessors, (41), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-10-24 06:01:55,880 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 285 transitions. [2024-10-24 06:01:55,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-24 06:01:55,881 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:01:55,881 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:01:55,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 06:01:55,882 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:01:55,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:01:55,882 INFO L85 PathProgramCache]: Analyzing trace with hash 473936633, now seen corresponding path program 1 times [2024-10-24 06:01:55,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:01:55,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533484372] [2024-10-24 06:01:55,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:01:55,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:01:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:02:07,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:02:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:02:07,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:02:07,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:02:07,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:02:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:02:07,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:02:07,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:02:07,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:02:07,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:02:07,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:02:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:02:07,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:02:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:02:07,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:02:07,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:02:07,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:02:07,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:02:07,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:02:07,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:02:07,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:02:07,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:02:07,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:02:07,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:02:07,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 06:02:07,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:02:07,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:02:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:02:07,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 06:02:07,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:02:07,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:02:07,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:02:07,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 06:02:07,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:02:07,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:02:07,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:02:07,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 06:02:07,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:02:07,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:02:07,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:02:07,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 06:02:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:02:07,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 06:02:07,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:02:07,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 06:02:07,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:02:07,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-24 06:02:07,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:02:07,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 06:02:07,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:02:07,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2024-10-24 06:02:07,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:02:07,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533484372] [2024-10-24 06:02:07,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533484372] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:02:07,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:02:07,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 06:02:07,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806124385] [2024-10-24 06:02:07,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:02:07,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 06:02:07,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:02:07,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 06:02:07,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-10-24 06:02:07,331 INFO L87 Difference]: Start difference. First operand 195 states and 285 transitions. Second operand has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-10-24 06:02:08,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:02:08,387 INFO L93 Difference]: Finished difference Result 606 states and 874 transitions. [2024-10-24 06:02:08,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 06:02:08,387 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 163 [2024-10-24 06:02:08,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:02:08,390 INFO L225 Difference]: With dead ends: 606 [2024-10-24 06:02:08,390 INFO L226 Difference]: Without dead ends: 412 [2024-10-24 06:02:08,391 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2024-10-24 06:02:08,392 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 369 mSDsluCounter, 547 mSDsCounter, 0 mSdLazyCounter, 693 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 651 SdHoareTripleChecker+Invalid, 775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 06:02:08,392 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 651 Invalid, 775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 693 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 06:02:08,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-10-24 06:02:08,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 294. [2024-10-24 06:02:08,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 212 states have (on average 1.320754716981132) internal successors, (280), 212 states have internal predecessors, (280), 75 states have call successors, (75), 6 states have call predecessors, (75), 6 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-10-24 06:02:08,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 430 transitions. [2024-10-24 06:02:08,415 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 430 transitions. Word has length 163 [2024-10-24 06:02:08,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:02:08,415 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 430 transitions. [2024-10-24 06:02:08,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2024-10-24 06:02:08,416 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 430 transitions. [2024-10-24 06:02:08,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-10-24 06:02:08,417 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:02:08,418 INFO L215 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 06:02:08,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 06:02:08,418 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:02:08,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:02:08,418 INFO L85 PathProgramCache]: Analyzing trace with hash -335409993, now seen corresponding path program 1 times [2024-10-24 06:02:08,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:02:08,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792806603] [2024-10-24 06:02:08,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:02:08,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:02:08,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat