./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-250_file-92.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-250_file-92.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 d7c6ee6eb0f585efaab30d46a49b7995a5952ad7cab5794b55d5ffb7d0a6deb0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 06:20:14,038 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 06:20:14,091 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 06:20:14,096 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 06:20:14,096 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 06:20:14,116 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 06:20:14,117 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 06:20:14,117 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 06:20:14,118 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 06:20:14,119 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 06:20:14,119 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 06:20:14,119 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 06:20:14,120 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 06:20:14,120 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 06:20:14,121 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 06:20:14,121 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 06:20:14,122 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 06:20:14,122 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 06:20:14,122 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 06:20:14,123 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 06:20:14,123 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 06:20:14,131 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 06:20:14,131 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 06:20:14,131 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 06:20:14,132 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 06:20:14,132 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 06:20:14,132 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 06:20:14,133 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 06:20:14,133 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 06:20:14,133 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 06:20:14,133 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 06:20:14,134 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 06:20:14,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 06:20:14,137 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 06:20:14,137 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 06:20:14,138 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 06:20:14,138 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 06:20:14,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 06:20:14,138 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 06:20:14,139 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 06:20:14,139 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 06:20:14,140 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 06:20:14,141 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7c6ee6eb0f585efaab30d46a49b7995a5952ad7cab5794b55d5ffb7d0a6deb0 [2024-10-24 06:20:14,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 06:20:14,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 06:20:14,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 06:20:14,528 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 06:20:14,529 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 06:20:14,530 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-92.i [2024-10-24 06:20:16,071 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 06:20:16,351 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 06:20:16,352 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-92.i [2024-10-24 06:20:16,368 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/940d3d3b8/10cc5bc6c2764c23b4644619fa72675c/FLAG84d686990 [2024-10-24 06:20:16,666 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/940d3d3b8/10cc5bc6c2764c23b4644619fa72675c [2024-10-24 06:20:16,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 06:20:16,671 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 06:20:16,672 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 06:20:16,672 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 06:20:16,679 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 06:20:16,680 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:20:16" (1/1) ... [2024-10-24 06:20:16,681 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51c005f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:20:16, skipping insertion in model container [2024-10-24 06:20:16,681 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 06:20:16" (1/1) ... [2024-10-24 06:20:16,730 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 06:20:16,942 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-250_file-92.i[916,929] [2024-10-24 06:20:17,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 06:20:17,148 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 06:20:17,160 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-250_file-92.i[916,929] [2024-10-24 06:20:17,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 06:20:17,275 INFO L204 MainTranslator]: Completed translation [2024-10-24 06:20:17,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:20:17 WrapperNode [2024-10-24 06:20:17,276 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 06:20:17,277 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 06:20:17,278 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 06:20:17,278 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 06:20:17,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:20:17" (1/1) ... [2024-10-24 06:20:17,307 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:20:17" (1/1) ... [2024-10-24 06:20:17,398 INFO L138 Inliner]: procedures = 26, calls = 71, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 505 [2024-10-24 06:20:17,399 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 06:20:17,400 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 06:20:17,400 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 06:20:17,400 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 06:20:17,413 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:20:17" (1/1) ... [2024-10-24 06:20:17,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:20:17" (1/1) ... [2024-10-24 06:20:17,431 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:20:17" (1/1) ... [2024-10-24 06:20:17,480 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 06:20:17,481 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:20:17" (1/1) ... [2024-10-24 06:20:17,481 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:20:17" (1/1) ... [2024-10-24 06:20:17,502 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:20:17" (1/1) ... [2024-10-24 06:20:17,508 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:20:17" (1/1) ... [2024-10-24 06:20:17,515 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:20:17" (1/1) ... [2024-10-24 06:20:17,523 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:20:17" (1/1) ... [2024-10-24 06:20:17,531 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 06:20:17,533 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 06:20:17,533 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 06:20:17,533 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 06:20:17,534 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:20:17" (1/1) ... [2024-10-24 06:20:17,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 06:20:17,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 06:20:17,580 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 06:20:17,587 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 06:20:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 06:20:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 06:20:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 06:20:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 06:20:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 06:20:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 06:20:17,827 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 06:20:17,832 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 06:20:18,899 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-10-24 06:20:18,900 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 06:20:18,945 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 06:20:18,946 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 06:20:18,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:20:18 BoogieIcfgContainer [2024-10-24 06:20:18,947 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 06:20:18,949 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 06:20:18,949 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 06:20:18,953 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 06:20:18,953 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 06:20:16" (1/3) ... [2024-10-24 06:20:18,954 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a2678e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:20:18, skipping insertion in model container [2024-10-24 06:20:18,955 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 06:20:17" (2/3) ... [2024-10-24 06:20:18,955 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a2678e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 06:20:18, skipping insertion in model container [2024-10-24 06:20:18,956 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 06:20:18" (3/3) ... [2024-10-24 06:20:18,957 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-250_file-92.i [2024-10-24 06:20:18,979 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 06:20:18,980 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 06:20:19,087 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 06:20:19,096 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;@40a96c43, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 06:20:19,097 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 06:20:19,105 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 145 states have (on average 1.6) internal successors, (232), 146 states have internal predecessors, (232), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-10-24 06:20:19,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2024-10-24 06:20:19,141 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:20:19,143 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:20:19,144 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:20:19,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:20:19,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1551728836, now seen corresponding path program 1 times [2024-10-24 06:20:19,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:20:19,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440375515] [2024-10-24 06:20:19,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:20:19,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:20:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:19,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:20:19,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:19,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:20:19,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:19,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:20:19,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:19,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:20:19,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:19,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:20:19,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:19,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:20:19,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:19,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:20:19,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:19,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:20:19,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:19,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:20:19,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:19,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:20:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:19,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:20:19,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:19,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:20:19,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:19,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 06:20:19,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:19,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:20:19,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:19,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 06:20:19,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:19,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:20:19,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:19,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 06:20:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:19,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:20:19,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:19,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 06:20:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:19,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:20:19,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:19,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 06:20:19,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:19,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 06:20:19,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:19,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 06:20:19,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:19,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 06:20:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:19,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 06:20:19,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:19,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 06:20:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 06:20:20,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 06:20:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 06:20:20,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 06:20:20,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 06:20:20,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 06:20:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 06:20:20,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 06:20:20,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 06:20:20,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 06:20:20,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 06:20:20,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 06:20:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 06:20:20,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-24 06:20:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 06:20:20,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-24 06:20:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 06:20:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-24 06:20:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-24 06:20:20,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-24 06:20:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-24 06:20:20,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-24 06:20:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-24 06:20:20,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-24 06:20:20,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-10-24 06:20:20,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 06:20:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-24 06:20:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 06:20:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-24 06:20:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-24 06:20:20,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-24 06:20:20,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-24 06:20:20,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,281 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-10-24 06:20:20,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:20:20,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440375515] [2024-10-24 06:20:20,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440375515] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:20:20,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:20:20,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 06:20:20,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411964097] [2024-10-24 06:20:20,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:20:20,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 06:20:20,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:20:20,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 06:20:20,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 06:20:20,337 INFO L87 Difference]: Start difference. First operand has 206 states, 145 states have (on average 1.6) internal successors, (232), 146 states have internal predecessors, (232), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) Second operand has 2 states, 2 states have (on average 42.0) internal successors, (84), 2 states have internal predecessors, (84), 2 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 2 states have call successors, (58) [2024-10-24 06:20:20,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:20:20,432 INFO L93 Difference]: Finished difference Result 409 states and 752 transitions. [2024-10-24 06:20:20,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 06:20:20,436 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 42.0) internal successors, (84), 2 states have internal predecessors, (84), 2 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 2 states have call successors, (58) Word has length 371 [2024-10-24 06:20:20,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:20:20,448 INFO L225 Difference]: With dead ends: 409 [2024-10-24 06:20:20,448 INFO L226 Difference]: Without dead ends: 204 [2024-10-24 06:20:20,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 176 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 06:20:20,460 INFO L432 NwaCegarLoop]: 340 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, 340 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 06:20:20,463 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 340 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 06:20:20,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-10-24 06:20:20,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2024-10-24 06:20:20,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 144 states have (on average 1.5763888888888888) internal successors, (227), 144 states have internal predecessors, (227), 58 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-10-24 06:20:20,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 343 transitions. [2024-10-24 06:20:20,587 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 343 transitions. Word has length 371 [2024-10-24 06:20:20,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:20:20,589 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 343 transitions. [2024-10-24 06:20:20,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 42.0) internal successors, (84), 2 states have internal predecessors, (84), 2 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 2 states have call successors, (58) [2024-10-24 06:20:20,590 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 343 transitions. [2024-10-24 06:20:20,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2024-10-24 06:20:20,604 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:20:20,604 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:20:20,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 06:20:20,605 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:20:20,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:20:20,606 INFO L85 PathProgramCache]: Analyzing trace with hash 595140816, now seen corresponding path program 1 times [2024-10-24 06:20:20,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:20:20,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415290475] [2024-10-24 06:20:20,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:20:20,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:20:20,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:20:20,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:20:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:20:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:20:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:20:20,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:20:20,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:20:20,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:20:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:20:20,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:20:20,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:20:20,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:20:20,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 06:20:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:20:20,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:20,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 06:20:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:20:21,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 06:20:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:20:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 06:20:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:20:21,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 06:20:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 06:20:21,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 06:20:21,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 06:20:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 06:20:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 06:20:21,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 06:20:21,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 06:20:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 06:20:21,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 06:20:21,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 06:20:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 06:20:21,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 06:20:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 06:20:21,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 06:20:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 06:20:21,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 06:20:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 06:20:21,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 06:20:21,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-24 06:20:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 06:20:21,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-24 06:20:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 06:20:21,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-24 06:20:21,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-24 06:20:21,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-24 06:20:21,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-24 06:20:21,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-24 06:20:21,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-24 06:20:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-24 06:20:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-10-24 06:20:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 06:20:21,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-24 06:20:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 06:20:21,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-24 06:20:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-24 06:20:21,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-24 06:20:21,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-24 06:20:21,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,267 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-10-24 06:20:21,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:20:21,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415290475] [2024-10-24 06:20:21,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415290475] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:20:21,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:20:21,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 06:20:21,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898612167] [2024-10-24 06:20:21,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:20:21,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 06:20:21,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:20:21,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 06:20:21,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 06:20:21,279 INFO L87 Difference]: Start difference. First operand 204 states and 343 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-24 06:20:21,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:20:21,421 INFO L93 Difference]: Finished difference Result 544 states and 916 transitions. [2024-10-24 06:20:21,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 06:20:21,422 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 371 [2024-10-24 06:20:21,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:20:21,428 INFO L225 Difference]: With dead ends: 544 [2024-10-24 06:20:21,428 INFO L226 Difference]: Without dead ends: 341 [2024-10-24 06:20:21,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 118 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 06:20:21,430 INFO L432 NwaCegarLoop]: 369 mSDtfsCounter, 239 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 669 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 06:20:21,431 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 669 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 06:20:21,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2024-10-24 06:20:21,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 338. [2024-10-24 06:20:21,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 247 states have (on average 1.5748987854251013) internal successors, (389), 248 states have internal predecessors, (389), 88 states have call successors, (88), 2 states have call predecessors, (88), 2 states have return successors, (88), 87 states have call predecessors, (88), 88 states have call successors, (88) [2024-10-24 06:20:21,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 565 transitions. [2024-10-24 06:20:21,483 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 565 transitions. Word has length 371 [2024-10-24 06:20:21,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:20:21,485 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 565 transitions. [2024-10-24 06:20:21,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-24 06:20:21,485 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 565 transitions. [2024-10-24 06:20:21,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2024-10-24 06:20:21,491 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:20:21,492 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:20:21,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 06:20:21,492 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:20:21,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:20:21,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1117396400, now seen corresponding path program 1 times [2024-10-24 06:20:21,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:20:21,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625338873] [2024-10-24 06:20:21,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:20:21,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:20:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:20:21,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:20:21,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:20:21,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:20:21,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:20:21,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:20:21,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:20:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:20:21,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:20:21,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:20:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:20:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:20:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 06:20:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:20:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 06:20:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:20:21,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 06:20:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:20:21,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 06:20:21,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:20:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 06:20:21,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 06:20:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 06:20:21,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 06:20:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 06:20:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 06:20:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 06:20:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 06:20:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 06:20:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 06:20:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 06:20:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 06:20:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 06:20:21,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 06:20:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 06:20:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 06:20:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 06:20:21,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 06:20:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 06:20:21,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-24 06:20:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 06:20:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-24 06:20:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 06:20:21,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-24 06:20:21,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-24 06:20:21,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-24 06:20:21,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-24 06:20:21,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-24 06:20:21,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-24 06:20:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-24 06:20:21,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-10-24 06:20:21,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 06:20:21,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-24 06:20:21,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 06:20:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-24 06:20:21,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-24 06:20:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-24 06:20:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-24 06:20:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:21,931 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-10-24 06:20:21,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:20:21,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625338873] [2024-10-24 06:20:21,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625338873] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:20:21,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:20:21,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 06:20:21,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096701306] [2024-10-24 06:20:21,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:20:21,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 06:20:21,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:20:21,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 06:20:21,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 06:20:21,937 INFO L87 Difference]: Start difference. First operand 338 states and 565 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-24 06:20:22,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:20:22,085 INFO L93 Difference]: Finished difference Result 683 states and 1136 transitions. [2024-10-24 06:20:22,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 06:20:22,086 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 371 [2024-10-24 06:20:22,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:20:22,094 INFO L225 Difference]: With dead ends: 683 [2024-10-24 06:20:22,094 INFO L226 Difference]: Without dead ends: 346 [2024-10-24 06:20:22,095 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 118 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 06:20:22,099 INFO L432 NwaCegarLoop]: 411 mSDtfsCounter, 219 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 722 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 06:20:22,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 722 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 06:20:22,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-10-24 06:20:22,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 266. [2024-10-24 06:20:22,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 205 states have (on average 1.575609756097561) internal successors, (323), 205 states have internal predecessors, (323), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-10-24 06:20:22,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 439 transitions. [2024-10-24 06:20:22,137 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 439 transitions. Word has length 371 [2024-10-24 06:20:22,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:20:22,138 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 439 transitions. [2024-10-24 06:20:22,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-24 06:20:22,139 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 439 transitions. [2024-10-24 06:20:22,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2024-10-24 06:20:22,146 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:20:22,147 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:20:22,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 06:20:22,147 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:20:22,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:20:22,148 INFO L85 PathProgramCache]: Analyzing trace with hash 992235194, now seen corresponding path program 1 times [2024-10-24 06:20:22,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:20:22,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964063343] [2024-10-24 06:20:22,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:20:22,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:20:22,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:20:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:20:22,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:20:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:20:22,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:20:22,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:20:22,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:20:22,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:20:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:20:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:20:22,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:20:22,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:20:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 06:20:22,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:20:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 06:20:22,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:20:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 06:20:22,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:20:22,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 06:20:22,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:20:22,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 06:20:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 06:20:22,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 06:20:22,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 06:20:22,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 06:20:22,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 06:20:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 06:20:22,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 06:20:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 06:20:22,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 06:20:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 06:20:22,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 06:20:22,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 06:20:22,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 06:20:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 06:20:22,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 06:20:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 06:20:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 06:20:22,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 06:20:22,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-24 06:20:22,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 06:20:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-24 06:20:22,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 06:20:22,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-24 06:20:22,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-24 06:20:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-24 06:20:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-24 06:20:22,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-24 06:20:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-24 06:20:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-24 06:20:22,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-10-24 06:20:22,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 06:20:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-24 06:20:22,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 06:20:22,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-24 06:20:22,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-24 06:20:22,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-24 06:20:22,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-24 06:20:22,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:22,772 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-10-24 06:20:22,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:20:22,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964063343] [2024-10-24 06:20:22,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964063343] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:20:22,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:20:22,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 06:20:22,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229171320] [2024-10-24 06:20:22,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:20:22,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 06:20:22,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:20:22,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 06:20:22,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 06:20:22,775 INFO L87 Difference]: Start difference. First operand 266 states and 439 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-24 06:20:23,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:20:23,542 INFO L93 Difference]: Finished difference Result 984 states and 1607 transitions. [2024-10-24 06:20:23,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 06:20:23,543 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 371 [2024-10-24 06:20:23,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:20:23,550 INFO L225 Difference]: With dead ends: 984 [2024-10-24 06:20:23,550 INFO L226 Difference]: Without dead ends: 719 [2024-10-24 06:20:23,552 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 120 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 06:20:23,553 INFO L432 NwaCegarLoop]: 430 mSDtfsCounter, 602 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 06:20:23,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [602 Valid, 874 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 06:20:23,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2024-10-24 06:20:23,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 418. [2024-10-24 06:20:23,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 315 states have (on average 1.561904761904762) internal successors, (492), 316 states have internal predecessors, (492), 98 states have call successors, (98), 4 states have call predecessors, (98), 4 states have return successors, (98), 97 states have call predecessors, (98), 98 states have call successors, (98) [2024-10-24 06:20:23,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 688 transitions. [2024-10-24 06:20:23,616 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 688 transitions. Word has length 371 [2024-10-24 06:20:23,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:20:23,621 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 688 transitions. [2024-10-24 06:20:23,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-24 06:20:23,622 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 688 transitions. [2024-10-24 06:20:23,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2024-10-24 06:20:23,630 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:20:23,630 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:20:23,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 06:20:23,631 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:20:23,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:20:23,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1904922009, now seen corresponding path program 1 times [2024-10-24 06:20:23,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:20:23,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907871367] [2024-10-24 06:20:23,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:20:23,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:20:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:23,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:20:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:23,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:20:23,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:23,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:20:23,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:23,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:20:23,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:23,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:20:23,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:23,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:20:23,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:23,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:20:23,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:23,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:20:23,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:23,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:20:23,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:23,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:20:23,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:23,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:20:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:23,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:20:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:23,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 06:20:23,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:23,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:20:23,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:23,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 06:20:24,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:20:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 06:20:24,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:20:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 06:20:24,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:20:24,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 06:20:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 06:20:24,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 06:20:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 06:20:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 06:20:24,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 06:20:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 06:20:24,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 06:20:24,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 06:20:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 06:20:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 06:20:24,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 06:20:24,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 06:20:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 06:20:24,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 06:20:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 06:20:24,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 06:20:24,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 06:20:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 06:20:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-24 06:20:24,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 06:20:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-24 06:20:24,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 06:20:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-24 06:20:24,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-24 06:20:24,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-24 06:20:24,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-24 06:20:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-24 06:20:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-24 06:20:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-24 06:20:24,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-10-24 06:20:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 06:20:24,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-24 06:20:24,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 06:20:24,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-24 06:20:24,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-24 06:20:24,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-24 06:20:24,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-24 06:20:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:24,187 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-10-24 06:20:24,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:20:24,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907871367] [2024-10-24 06:20:24,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907871367] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:20:24,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:20:24,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 06:20:24,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835956004] [2024-10-24 06:20:24,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:20:24,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 06:20:24,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:20:24,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 06:20:24,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 06:20:24,190 INFO L87 Difference]: Start difference. First operand 418 states and 688 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-24 06:20:24,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:20:24,255 INFO L93 Difference]: Finished difference Result 836 states and 1375 transitions. [2024-10-24 06:20:24,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 06:20:24,256 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 372 [2024-10-24 06:20:24,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:20:24,261 INFO L225 Difference]: With dead ends: 836 [2024-10-24 06:20:24,261 INFO L226 Difference]: Without dead ends: 419 [2024-10-24 06:20:24,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 118 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 06:20:24,265 INFO L432 NwaCegarLoop]: 443 mSDtfsCounter, 197 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 06:20:24,268 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 770 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 06:20:24,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2024-10-24 06:20:24,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 416. [2024-10-24 06:20:24,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 313 states have (on average 1.5591054313099042) internal successors, (488), 314 states have internal predecessors, (488), 98 states have call successors, (98), 4 states have call predecessors, (98), 4 states have return successors, (98), 97 states have call predecessors, (98), 98 states have call successors, (98) [2024-10-24 06:20:24,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 684 transitions. [2024-10-24 06:20:24,310 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 684 transitions. Word has length 372 [2024-10-24 06:20:24,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:20:24,311 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 684 transitions. [2024-10-24 06:20:24,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-24 06:20:24,311 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 684 transitions. [2024-10-24 06:20:24,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2024-10-24 06:20:24,317 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:20:24,318 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:20:24,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 06:20:24,318 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:20:24,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:20:24,319 INFO L85 PathProgramCache]: Analyzing trace with hash -115374612, now seen corresponding path program 1 times [2024-10-24 06:20:24,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:20:24,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069842853] [2024-10-24 06:20:24,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:20:24,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:20:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:20:25,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:20:25,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:20:25,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:20:25,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:20:25,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:20:25,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:20:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:20:25,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:20:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:20:25,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:20:25,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:20:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 06:20:25,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:20:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 06:20:25,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:20:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 06:20:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:20:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 06:20:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:20:25,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 06:20:25,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 06:20:25,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 06:20:25,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 06:20:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 06:20:25,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 06:20:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 06:20:25,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 06:20:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 06:20:25,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 06:20:25,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 06:20:25,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 06:20:25,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 06:20:25,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 06:20:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 06:20:25,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 06:20:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 06:20:25,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 06:20:25,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 06:20:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-24 06:20:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 06:20:25,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-24 06:20:25,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 06:20:25,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-24 06:20:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-24 06:20:25,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-24 06:20:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-24 06:20:25,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-24 06:20:25,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-24 06:20:25,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-24 06:20:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-10-24 06:20:25,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 06:20:25,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-24 06:20:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 06:20:25,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-24 06:20:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-24 06:20:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-24 06:20:25,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-24 06:20:25,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:25,316 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-10-24 06:20:25,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:20:25,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069842853] [2024-10-24 06:20:25,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069842853] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:20:25,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:20:25,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 06:20:25,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752866468] [2024-10-24 06:20:25,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:20:25,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 06:20:25,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:20:25,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 06:20:25,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 06:20:25,321 INFO L87 Difference]: Start difference. First operand 416 states and 684 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-24 06:20:25,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:20:25,841 INFO L93 Difference]: Finished difference Result 1272 states and 2085 transitions. [2024-10-24 06:20:25,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 06:20:25,842 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 372 [2024-10-24 06:20:25,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:20:25,852 INFO L225 Difference]: With dead ends: 1272 [2024-10-24 06:20:25,852 INFO L226 Difference]: Without dead ends: 857 [2024-10-24 06:20:25,854 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 06:20:25,856 INFO L432 NwaCegarLoop]: 348 mSDtfsCounter, 384 mSDsluCounter, 889 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 1237 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 06:20:25,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 1237 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 06:20:25,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2024-10-24 06:20:25,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 831. [2024-10-24 06:20:25,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 831 states, 626 states have (on average 1.5591054313099042) internal successors, (976), 628 states have internal predecessors, (976), 196 states have call successors, (196), 8 states have call predecessors, (196), 8 states have return successors, (196), 194 states have call predecessors, (196), 196 states have call successors, (196) [2024-10-24 06:20:25,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1368 transitions. [2024-10-24 06:20:25,942 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1368 transitions. Word has length 372 [2024-10-24 06:20:25,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:20:25,944 INFO L471 AbstractCegarLoop]: Abstraction has 831 states and 1368 transitions. [2024-10-24 06:20:25,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-24 06:20:25,945 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1368 transitions. [2024-10-24 06:20:25,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2024-10-24 06:20:25,949 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:20:25,949 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:20:25,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 06:20:25,949 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:20:25,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:20:25,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1449710472, now seen corresponding path program 1 times [2024-10-24 06:20:25,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:20:25,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328716810] [2024-10-24 06:20:25,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:20:25,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:20:26,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:20:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:20:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:20:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:20:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:20:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:20:27,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:20:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:20:27,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:20:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:20:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:20:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:20:27,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 06:20:27,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:20:27,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 06:20:27,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:20:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 06:20:27,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:20:27,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 06:20:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:20:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 06:20:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 06:20:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 06:20:27,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 06:20:27,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 06:20:27,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 06:20:27,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 06:20:27,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 06:20:27,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 06:20:27,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 06:20:27,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 06:20:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 06:20:27,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 06:20:27,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 06:20:27,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 06:20:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 06:20:27,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 06:20:27,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 06:20:27,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 06:20:27,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-24 06:20:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 06:20:27,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-24 06:20:27,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 06:20:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-24 06:20:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-24 06:20:27,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-24 06:20:27,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-24 06:20:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-24 06:20:27,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-24 06:20:27,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:27,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-24 06:20:28,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:28,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-10-24 06:20:28,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:28,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 06:20:28,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:28,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-24 06:20:28,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:28,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 06:20:28,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:28,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-24 06:20:28,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:28,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-24 06:20:28,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:28,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-24 06:20:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:28,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-24 06:20:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:28,130 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-10-24 06:20:28,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:20:28,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328716810] [2024-10-24 06:20:28,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328716810] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:20:28,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:20:28,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 06:20:28,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137810868] [2024-10-24 06:20:28,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:20:28,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 06:20:28,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:20:28,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 06:20:28,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-24 06:20:28,134 INFO L87 Difference]: Start difference. First operand 831 states and 1368 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-24 06:20:28,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:20:28,948 INFO L93 Difference]: Finished difference Result 2028 states and 3336 transitions. [2024-10-24 06:20:28,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 06:20:28,949 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 373 [2024-10-24 06:20:28,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:20:28,958 INFO L225 Difference]: With dead ends: 2028 [2024-10-24 06:20:28,959 INFO L226 Difference]: Without dead ends: 1198 [2024-10-24 06:20:28,962 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 120 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-24 06:20:28,963 INFO L432 NwaCegarLoop]: 324 mSDtfsCounter, 331 mSDsluCounter, 1064 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 1388 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 06:20:28,964 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 1388 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 06:20:28,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1198 states. [2024-10-24 06:20:29,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1198 to 1168. [2024-10-24 06:20:29,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1168 states, 903 states have (on average 1.5703211517165006) internal successors, (1418), 905 states have internal predecessors, (1418), 254 states have call successors, (254), 10 states have call predecessors, (254), 10 states have return successors, (254), 252 states have call predecessors, (254), 254 states have call successors, (254) [2024-10-24 06:20:29,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 1168 states and 1926 transitions. [2024-10-24 06:20:29,079 INFO L78 Accepts]: Start accepts. Automaton has 1168 states and 1926 transitions. Word has length 373 [2024-10-24 06:20:29,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:20:29,080 INFO L471 AbstractCegarLoop]: Abstraction has 1168 states and 1926 transitions. [2024-10-24 06:20:29,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-24 06:20:29,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1926 transitions. [2024-10-24 06:20:29,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2024-10-24 06:20:29,083 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:20:29,083 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:20:29,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 06:20:29,083 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:20:29,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:20:29,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1172807309, now seen corresponding path program 1 times [2024-10-24 06:20:29,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:20:29,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499827225] [2024-10-24 06:20:29,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:20:29,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:20:29,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:20:29,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:20:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:20:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:20:29,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:20:29,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:20:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:20:29,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:20:29,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:20:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:20:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:20:29,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:20:29,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 06:20:29,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:20:29,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 06:20:29,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:20:29,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 06:20:29,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:20:29,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 06:20:29,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:20:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 06:20:29,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 06:20:29,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 06:20:29,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 06:20:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 06:20:29,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 06:20:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 06:20:29,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 06:20:29,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 06:20:29,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 06:20:29,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 06:20:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 06:20:29,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 06:20:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 06:20:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 06:20:29,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 06:20:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 06:20:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 06:20:29,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 06:20:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-24 06:20:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 06:20:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-24 06:20:29,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 06:20:29,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-24 06:20:29,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-24 06:20:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-24 06:20:29,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-24 06:20:29,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-24 06:20:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-24 06:20:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-24 06:20:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-10-24 06:20:29,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 06:20:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-24 06:20:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 06:20:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-24 06:20:29,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-24 06:20:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-24 06:20:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-24 06:20:29,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:29,912 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 120 proven. 51 refuted. 0 times theorem prover too weak. 6441 trivial. 0 not checked. [2024-10-24 06:20:29,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:20:29,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499827225] [2024-10-24 06:20:29,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499827225] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 06:20:29,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [921808949] [2024-10-24 06:20:29,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:20:29,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 06:20:29,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 06:20:29,915 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 06:20:29,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 06:20:30,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:30,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 847 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 06:20:30,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 06:20:30,563 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 2857 proven. 51 refuted. 0 times theorem prover too weak. 3704 trivial. 0 not checked. [2024-10-24 06:20:30,564 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 06:20:30,961 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 120 proven. 51 refuted. 0 times theorem prover too weak. 6441 trivial. 0 not checked. [2024-10-24 06:20:30,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [921808949] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 06:20:30,962 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 06:20:30,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-10-24 06:20:30,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126017105] [2024-10-24 06:20:30,963 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 06:20:30,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 06:20:30,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:20:30,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 06:20:30,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-24 06:20:30,966 INFO L87 Difference]: Start difference. First operand 1168 states and 1926 transitions. Second operand has 8 states, 8 states have (on average 15.75) internal successors, (126), 8 states have internal predecessors, (126), 3 states have call successors, (92), 2 states have call predecessors, (92), 4 states have return successors, (93), 3 states have call predecessors, (93), 3 states have call successors, (93) [2024-10-24 06:20:31,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:20:31,440 INFO L93 Difference]: Finished difference Result 1721 states and 2823 transitions. [2024-10-24 06:20:31,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 06:20:31,442 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.75) internal successors, (126), 8 states have internal predecessors, (126), 3 states have call successors, (92), 2 states have call predecessors, (92), 4 states have return successors, (93), 3 states have call predecessors, (93), 3 states have call successors, (93) Word has length 375 [2024-10-24 06:20:31,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:20:31,448 INFO L225 Difference]: With dead ends: 1721 [2024-10-24 06:20:31,448 INFO L226 Difference]: Without dead ends: 814 [2024-10-24 06:20:31,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 871 GetRequests, 862 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-10-24 06:20:31,455 INFO L432 NwaCegarLoop]: 269 mSDtfsCounter, 234 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 06:20:31,456 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 691 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 06:20:31,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2024-10-24 06:20:31,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 802. [2024-10-24 06:20:31,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 802 states, 618 states have (on average 1.5550161812297734) internal successors, (961), 618 states have internal predecessors, (961), 174 states have call successors, (174), 9 states have call predecessors, (174), 9 states have return successors, (174), 174 states have call predecessors, (174), 174 states have call successors, (174) [2024-10-24 06:20:31,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 1309 transitions. [2024-10-24 06:20:31,543 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 1309 transitions. Word has length 375 [2024-10-24 06:20:31,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:20:31,544 INFO L471 AbstractCegarLoop]: Abstraction has 802 states and 1309 transitions. [2024-10-24 06:20:31,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.75) internal successors, (126), 8 states have internal predecessors, (126), 3 states have call successors, (92), 2 states have call predecessors, (92), 4 states have return successors, (93), 3 states have call predecessors, (93), 3 states have call successors, (93) [2024-10-24 06:20:31,545 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1309 transitions. [2024-10-24 06:20:31,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2024-10-24 06:20:31,547 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:20:31,547 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:20:31,573 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 06:20:31,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 06:20:31,749 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:20:31,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:20:31,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1038966808, now seen corresponding path program 1 times [2024-10-24 06:20:31,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:20:31,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150616478] [2024-10-24 06:20:31,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:20:31,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:20:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:20:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:20:32,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:20:32,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:20:32,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:20:32,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:20:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:20:32,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:20:32,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:20:32,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:20:32,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:20:32,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:20:32,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 06:20:32,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:20:32,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 06:20:32,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:20:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 06:20:32,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:20:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 06:20:32,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:20:32,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 06:20:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 06:20:32,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 06:20:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 06:20:32,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 06:20:32,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 06:20:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 06:20:32,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 06:20:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 06:20:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 06:20:32,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 06:20:32,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 06:20:32,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 06:20:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 06:20:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 06:20:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 06:20:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 06:20:32,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 06:20:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 06:20:32,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-24 06:20:32,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 06:20:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-24 06:20:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 06:20:32,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-24 06:20:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-24 06:20:32,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-24 06:20:32,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-24 06:20:32,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-24 06:20:32,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-24 06:20:32,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-24 06:20:32,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-10-24 06:20:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 06:20:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-24 06:20:32,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 06:20:32,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-24 06:20:32,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-24 06:20:32,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-24 06:20:32,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-24 06:20:32,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:32,578 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-10-24 06:20:32,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:20:32,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150616478] [2024-10-24 06:20:32,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150616478] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:20:32,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:20:32,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 06:20:32,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10419411] [2024-10-24 06:20:32,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:20:32,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 06:20:32,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:20:32,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 06:20:32,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 06:20:32,581 INFO L87 Difference]: Start difference. First operand 802 states and 1309 transitions. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-24 06:20:33,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:20:33,685 INFO L93 Difference]: Finished difference Result 3150 states and 5147 transitions. [2024-10-24 06:20:33,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 06:20:33,686 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 375 [2024-10-24 06:20:33,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:20:33,702 INFO L225 Difference]: With dead ends: 3150 [2024-10-24 06:20:33,703 INFO L226 Difference]: Without dead ends: 2536 [2024-10-24 06:20:33,707 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 119 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 06:20:33,708 INFO L432 NwaCegarLoop]: 444 mSDtfsCounter, 907 mSDsluCounter, 998 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 907 SdHoareTripleChecker+Valid, 1442 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-24 06:20:33,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [907 Valid, 1442 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-24 06:20:33,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2536 states. [2024-10-24 06:20:34,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2536 to 2494. [2024-10-24 06:20:34,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2494 states, 1944 states have (on average 1.558641975308642) internal successors, (3030), 1944 states have internal predecessors, (3030), 522 states have call successors, (522), 27 states have call predecessors, (522), 27 states have return successors, (522), 522 states have call predecessors, (522), 522 states have call successors, (522) [2024-10-24 06:20:34,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2494 states to 2494 states and 4074 transitions. [2024-10-24 06:20:34,026 INFO L78 Accepts]: Start accepts. Automaton has 2494 states and 4074 transitions. Word has length 375 [2024-10-24 06:20:34,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:20:34,027 INFO L471 AbstractCegarLoop]: Abstraction has 2494 states and 4074 transitions. [2024-10-24 06:20:34,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-24 06:20:34,028 INFO L276 IsEmpty]: Start isEmpty. Operand 2494 states and 4074 transitions. [2024-10-24 06:20:34,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2024-10-24 06:20:34,031 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:20:34,031 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:20:34,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 06:20:34,031 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:20:34,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:20:34,032 INFO L85 PathProgramCache]: Analyzing trace with hash 806400358, now seen corresponding path program 1 times [2024-10-24 06:20:34,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:20:34,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194863104] [2024-10-24 06:20:34,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:20:34,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:20:34,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:20:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:20:34,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:20:34,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:20:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:20:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:20:34,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:20:34,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:20:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:20:34,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:20:34,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:20:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:20:34,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 06:20:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:20:34,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 06:20:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:20:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 06:20:34,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:20:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 06:20:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:20:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 06:20:34,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 06:20:34,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 06:20:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 06:20:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 06:20:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 06:20:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 06:20:34,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 06:20:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 06:20:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 06:20:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 06:20:34,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 06:20:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 06:20:34,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 06:20:34,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 06:20:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 06:20:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 06:20:34,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 06:20:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 06:20:34,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-24 06:20:34,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 06:20:34,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-24 06:20:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 06:20:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-24 06:20:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-24 06:20:34,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-24 06:20:34,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-24 06:20:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-24 06:20:34,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-24 06:20:34,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-24 06:20:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-10-24 06:20:34,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 06:20:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-24 06:20:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 06:20:34,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-24 06:20:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-24 06:20:34,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-24 06:20:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-24 06:20:34,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:34,933 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 120 proven. 51 refuted. 0 times theorem prover too weak. 6441 trivial. 0 not checked. [2024-10-24 06:20:34,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:20:34,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194863104] [2024-10-24 06:20:34,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194863104] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 06:20:34,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [370177311] [2024-10-24 06:20:34,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:20:34,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 06:20:34,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 06:20:34,937 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 06:20:34,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 06:20:35,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:35,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 851 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-24 06:20:35,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 06:20:35,550 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 2857 proven. 51 refuted. 0 times theorem prover too weak. 3704 trivial. 0 not checked. [2024-10-24 06:20:35,550 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 06:20:35,927 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 120 proven. 51 refuted. 0 times theorem prover too weak. 6441 trivial. 0 not checked. [2024-10-24 06:20:35,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [370177311] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 06:20:35,927 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 06:20:35,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-10-24 06:20:35,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638639945] [2024-10-24 06:20:35,928 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 06:20:35,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 06:20:35,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:20:35,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 06:20:35,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-10-24 06:20:35,931 INFO L87 Difference]: Start difference. First operand 2494 states and 4074 transitions. Second operand has 12 states, 12 states have (on average 11.583333333333334) internal successors, (139), 12 states have internal predecessors, (139), 4 states have call successors, (92), 2 states have call predecessors, (92), 4 states have return successors, (94), 4 states have call predecessors, (94), 4 states have call successors, (94) [2024-10-24 06:20:36,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:20:36,701 INFO L93 Difference]: Finished difference Result 4871 states and 7946 transitions. [2024-10-24 06:20:36,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 06:20:36,702 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.583333333333334) internal successors, (139), 12 states have internal predecessors, (139), 4 states have call successors, (92), 2 states have call predecessors, (92), 4 states have return successors, (94), 4 states have call predecessors, (94), 4 states have call successors, (94) Word has length 375 [2024-10-24 06:20:36,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:20:36,722 INFO L225 Difference]: With dead ends: 4871 [2024-10-24 06:20:36,722 INFO L226 Difference]: Without dead ends: 2545 [2024-10-24 06:20:36,732 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 875 GetRequests, 861 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2024-10-24 06:20:36,733 INFO L432 NwaCegarLoop]: 269 mSDtfsCounter, 242 mSDsluCounter, 832 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 1101 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-24 06:20:36,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 1101 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-24 06:20:36,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2545 states. [2024-10-24 06:20:36,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2545 to 2494. [2024-10-24 06:20:36,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2494 states, 1944 states have (on average 1.5509259259259258) internal successors, (3015), 1944 states have internal predecessors, (3015), 522 states have call successors, (522), 27 states have call predecessors, (522), 27 states have return successors, (522), 522 states have call predecessors, (522), 522 states have call successors, (522) [2024-10-24 06:20:37,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2494 states to 2494 states and 4059 transitions. [2024-10-24 06:20:37,018 INFO L78 Accepts]: Start accepts. Automaton has 2494 states and 4059 transitions. Word has length 375 [2024-10-24 06:20:37,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:20:37,019 INFO L471 AbstractCegarLoop]: Abstraction has 2494 states and 4059 transitions. [2024-10-24 06:20:37,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.583333333333334) internal successors, (139), 12 states have internal predecessors, (139), 4 states have call successors, (92), 2 states have call predecessors, (92), 4 states have return successors, (94), 4 states have call predecessors, (94), 4 states have call successors, (94) [2024-10-24 06:20:37,020 INFO L276 IsEmpty]: Start isEmpty. Operand 2494 states and 4059 transitions. [2024-10-24 06:20:37,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2024-10-24 06:20:37,024 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:20:37,024 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:20:37,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-24 06:20:37,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-24 06:20:37,229 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:20:37,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:20:37,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1230047080, now seen corresponding path program 1 times [2024-10-24 06:20:37,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:20:37,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023145089] [2024-10-24 06:20:37,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:20:37,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:20:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:20:41,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:20:41,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:20:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:20:41,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:20:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:20:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:20:41,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:20:41,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:20:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:20:41,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:20:41,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:20:41,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 06:20:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:20:41,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 06:20:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:20:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 06:20:41,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:20:41,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 06:20:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:20:41,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 06:20:41,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 06:20:41,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 06:20:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 06:20:41,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 06:20:41,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 06:20:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 06:20:41,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 06:20:41,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 06:20:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 06:20:41,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 06:20:41,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 06:20:41,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 06:20:41,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 06:20:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 06:20:41,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 06:20:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 06:20:41,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 06:20:41,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 06:20:41,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-24 06:20:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 06:20:41,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-24 06:20:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 06:20:41,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-24 06:20:41,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-24 06:20:41,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-24 06:20:41,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-24 06:20:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-24 06:20:41,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-24 06:20:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-24 06:20:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-10-24 06:20:41,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 06:20:41,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-24 06:20:41,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 06:20:41,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-24 06:20:41,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-24 06:20:41,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-24 06:20:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-24 06:20:41,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,500 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 210 proven. 126 refuted. 0 times theorem prover too weak. 6276 trivial. 0 not checked. [2024-10-24 06:20:41,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:20:41,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023145089] [2024-10-24 06:20:41,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023145089] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 06:20:41,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195296780] [2024-10-24 06:20:41,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:20:41,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 06:20:41,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 06:20:41,503 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 06:20:41,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 06:20:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:41,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 849 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-24 06:20:41,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 06:20:42,743 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 4247 proven. 126 refuted. 0 times theorem prover too weak. 2239 trivial. 0 not checked. [2024-10-24 06:20:42,743 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 06:20:43,904 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 210 proven. 129 refuted. 0 times theorem prover too weak. 6273 trivial. 0 not checked. [2024-10-24 06:20:43,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195296780] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 06:20:43,905 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 06:20:43,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 12] total 25 [2024-10-24 06:20:43,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075583479] [2024-10-24 06:20:43,905 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 06:20:43,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-24 06:20:43,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:20:43,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-24 06:20:43,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=468, Unknown=0, NotChecked=0, Total=600 [2024-10-24 06:20:43,908 INFO L87 Difference]: Start difference. First operand 2494 states and 4059 transitions. Second operand has 25 states, 25 states have (on average 6.52) internal successors, (163), 25 states have internal predecessors, (163), 5 states have call successors, (118), 3 states have call predecessors, (118), 7 states have return successors, (119), 5 states have call predecessors, (119), 5 states have call successors, (119) [2024-10-24 06:20:54,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:20:54,960 INFO L93 Difference]: Finished difference Result 13988 states and 21880 transitions. [2024-10-24 06:20:54,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-10-24 06:20:54,961 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 6.52) internal successors, (163), 25 states have internal predecessors, (163), 5 states have call successors, (118), 3 states have call predecessors, (118), 7 states have return successors, (119), 5 states have call predecessors, (119), 5 states have call successors, (119) Word has length 375 [2024-10-24 06:20:54,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:20:55,054 INFO L225 Difference]: With dead ends: 13988 [2024-10-24 06:20:55,054 INFO L226 Difference]: Without dead ends: 11874 [2024-10-24 06:20:55,075 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1009 GetRequests, 868 SyntacticMatches, 1 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7803 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=4055, Invalid=15967, Unknown=0, NotChecked=0, Total=20022 [2024-10-24 06:20:55,076 INFO L432 NwaCegarLoop]: 322 mSDtfsCounter, 4683 mSDsluCounter, 2613 mSDsCounter, 0 mSdLazyCounter, 3533 mSolverCounterSat, 2165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4709 SdHoareTripleChecker+Valid, 2935 SdHoareTripleChecker+Invalid, 5698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2165 IncrementalHoareTripleChecker+Valid, 3533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-10-24 06:20:55,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4709 Valid, 2935 Invalid, 5698 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2165 Valid, 3533 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2024-10-24 06:20:55,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11874 states. [2024-10-24 06:20:55,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11874 to 3602. [2024-10-24 06:20:55,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3602 states, 2817 states have (on average 1.5275115370962016) internal successors, (4303), 2821 states have internal predecessors, (4303), 702 states have call successors, (702), 82 states have call predecessors, (702), 82 states have return successors, (702), 698 states have call predecessors, (702), 702 states have call successors, (702) [2024-10-24 06:20:55,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3602 states to 3602 states and 5707 transitions. [2024-10-24 06:20:55,934 INFO L78 Accepts]: Start accepts. Automaton has 3602 states and 5707 transitions. Word has length 375 [2024-10-24 06:20:55,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:20:55,935 INFO L471 AbstractCegarLoop]: Abstraction has 3602 states and 5707 transitions. [2024-10-24 06:20:55,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 6.52) internal successors, (163), 25 states have internal predecessors, (163), 5 states have call successors, (118), 3 states have call predecessors, (118), 7 states have return successors, (119), 5 states have call predecessors, (119), 5 states have call successors, (119) [2024-10-24 06:20:55,939 INFO L276 IsEmpty]: Start isEmpty. Operand 3602 states and 5707 transitions. [2024-10-24 06:20:55,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2024-10-24 06:20:55,942 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:20:55,942 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:20:55,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-24 06:20:56,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 06:20:56,144 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:20:56,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:20:56,145 INFO L85 PathProgramCache]: Analyzing trace with hash -716455496, now seen corresponding path program 1 times [2024-10-24 06:20:56,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:20:56,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106401965] [2024-10-24 06:20:56,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:20:56,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:20:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:20:56,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:20:56,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:20:56,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:20:56,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:20:56,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:20:56,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:20:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:20:56,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:20:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:20:56,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:20:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:20:56,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 06:20:56,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:20:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 06:20:56,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:20:56,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 06:20:56,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:20:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 06:20:56,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:20:56,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 06:20:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 06:20:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 06:20:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 06:20:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 06:20:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 06:20:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 06:20:56,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 06:20:56,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 06:20:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 06:20:56,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 06:20:56,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 06:20:56,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 06:20:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 06:20:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 06:20:56,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 06:20:56,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 06:20:56,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 06:20:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 06:20:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-24 06:20:56,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 06:20:56,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-24 06:20:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 06:20:56,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-24 06:20:56,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-24 06:20:56,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-24 06:20:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-24 06:20:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-24 06:20:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-24 06:20:56,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-24 06:20:56,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-10-24 06:20:56,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 06:20:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-24 06:20:56,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 06:20:56,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-24 06:20:56,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-24 06:20:56,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-24 06:20:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-24 06:20:56,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:20:56,439 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-10-24 06:20:56,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:20:56,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106401965] [2024-10-24 06:20:56,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106401965] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:20:56,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:20:56,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 06:20:56,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245135740] [2024-10-24 06:20:56,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:20:56,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 06:20:56,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:20:56,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 06:20:56,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 06:20:56,442 INFO L87 Difference]: Start difference. First operand 3602 states and 5707 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-24 06:20:56,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:20:56,857 INFO L93 Difference]: Finished difference Result 6778 states and 10736 transitions. [2024-10-24 06:20:56,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 06:20:56,858 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 376 [2024-10-24 06:20:56,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:20:56,911 INFO L225 Difference]: With dead ends: 6778 [2024-10-24 06:20:56,912 INFO L226 Difference]: Without dead ends: 3620 [2024-10-24 06:20:56,924 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 118 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 06:20:56,926 INFO L432 NwaCegarLoop]: 337 mSDtfsCounter, 0 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 06:20:56,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 668 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 06:20:56,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3620 states. [2024-10-24 06:20:57,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3620 to 3620. [2024-10-24 06:20:57,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3620 states, 2835 states have (on average 1.5241622574955909) internal successors, (4321), 2839 states have internal predecessors, (4321), 702 states have call successors, (702), 82 states have call predecessors, (702), 82 states have return successors, (702), 698 states have call predecessors, (702), 702 states have call successors, (702) [2024-10-24 06:20:57,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3620 states to 3620 states and 5725 transitions. [2024-10-24 06:20:57,483 INFO L78 Accepts]: Start accepts. Automaton has 3620 states and 5725 transitions. Word has length 376 [2024-10-24 06:20:57,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:20:57,484 INFO L471 AbstractCegarLoop]: Abstraction has 3620 states and 5725 transitions. [2024-10-24 06:20:57,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-24 06:20:57,485 INFO L276 IsEmpty]: Start isEmpty. Operand 3620 states and 5725 transitions. [2024-10-24 06:20:57,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2024-10-24 06:20:57,488 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:20:57,488 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:20:57,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 06:20:57,489 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:20:57,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:20:57,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1722524162, now seen corresponding path program 1 times [2024-10-24 06:20:57,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:20:57,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189640466] [2024-10-24 06:20:57,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:20:57,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:20:57,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:01,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 06:21:01,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:01,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 06:21:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:01,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 06:21:01,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:01,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 06:21:01,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:01,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 06:21:01,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:01,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 06:21:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:01,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 06:21:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:01,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 06:21:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:01,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 06:21:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:01,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 06:21:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 06:21:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 06:21:02,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 06:21:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 06:21:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 06:21:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 06:21:02,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 06:21:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 06:21:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-24 06:21:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 06:21:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 06:21:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 06:21:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-24 06:21:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 06:21:02,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-24 06:21:02,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 06:21:02,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-24 06:21:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 06:21:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 06:21:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-24 06:21:02,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 06:21:02,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-24 06:21:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-24 06:21:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-24 06:21:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-24 06:21:02,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-24 06:21:02,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-24 06:21:02,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-24 06:21:02,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 06:21:02,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2024-10-24 06:21:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-24 06:21:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-24 06:21:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2024-10-24 06:21:02,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-24 06:21:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-10-24 06:21:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-10-24 06:21:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2024-10-24 06:21:02,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-24 06:21:02,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2024-10-24 06:21:02,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-10-24 06:21:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-10-24 06:21:02,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2024-10-24 06:21:02,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-10-24 06:21:02,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 06:21:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2024-10-24 06:21:02,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-24 06:21:02,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-10-24 06:21:02,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-24 06:21:02,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 06:21:02,276 INFO L134 CoverageAnalysis]: Checked inductivity of 6612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6612 trivial. 0 not checked. [2024-10-24 06:21:02,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 06:21:02,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189640466] [2024-10-24 06:21:02,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189640466] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 06:21:02,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 06:21:02,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 06:21:02,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342466836] [2024-10-24 06:21:02,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 06:21:02,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 06:21:02,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 06:21:02,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 06:21:02,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-24 06:21:02,282 INFO L87 Difference]: Start difference. First operand 3620 states and 5725 transitions. Second operand has 9 states, 9 states have (on average 10.0) internal successors, (90), 9 states have internal predecessors, (90), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-24 06:21:08,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 06:21:08,125 INFO L93 Difference]: Finished difference Result 6963 states and 10970 transitions. [2024-10-24 06:21:08,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 06:21:08,127 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 9 states have internal predecessors, (90), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) Word has length 377 [2024-10-24 06:21:08,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 06:21:08,150 INFO L225 Difference]: With dead ends: 6963 [2024-10-24 06:21:08,150 INFO L226 Difference]: Without dead ends: 3958 [2024-10-24 06:21:08,161 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-10-24 06:21:08,162 INFO L432 NwaCegarLoop]: 413 mSDtfsCounter, 885 mSDsluCounter, 1547 mSDsCounter, 0 mSdLazyCounter, 1525 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 885 SdHoareTripleChecker+Valid, 1960 SdHoareTripleChecker+Invalid, 1735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 1525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-10-24 06:21:08,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [885 Valid, 1960 Invalid, 1735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 1525 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2024-10-24 06:21:08,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3958 states. [2024-10-24 06:21:08,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3958 to 3614. [2024-10-24 06:21:08,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3614 states, 2829 states have (on average 1.5210321668434075) internal successors, (4303), 2833 states have internal predecessors, (4303), 702 states have call successors, (702), 82 states have call predecessors, (702), 82 states have return successors, (702), 698 states have call predecessors, (702), 702 states have call successors, (702) [2024-10-24 06:21:08,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3614 states to 3614 states and 5707 transitions. [2024-10-24 06:21:08,725 INFO L78 Accepts]: Start accepts. Automaton has 3614 states and 5707 transitions. Word has length 377 [2024-10-24 06:21:08,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 06:21:08,726 INFO L471 AbstractCegarLoop]: Abstraction has 3614 states and 5707 transitions. [2024-10-24 06:21:08,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 9 states have internal predecessors, (90), 1 states have call successors, (58), 1 states have call predecessors, (58), 1 states have return successors, (58), 1 states have call predecessors, (58), 1 states have call successors, (58) [2024-10-24 06:21:08,728 INFO L276 IsEmpty]: Start isEmpty. Operand 3614 states and 5707 transitions. [2024-10-24 06:21:08,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2024-10-24 06:21:08,730 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 06:21:08,731 INFO L215 NwaCegarLoop]: trace histogram [58, 58, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:21:08,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 06:21:08,731 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 06:21:08,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 06:21:08,732 INFO L85 PathProgramCache]: Analyzing trace with hash -2146170884, now seen corresponding path program 1 times [2024-10-24 06:21:08,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 06:21:08,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539810845] [2024-10-24 06:21:08,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 06:21:08,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 06:21:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat