./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_fillercodestructure_filler-ps-cn_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-81.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 330035e885fa245249a9985bfeff9cf400ee4543a6b7e2fb380a386ceeec5a9f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 10:17:11,479 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 10:17:11,563 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 10:17:11,568 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 10:17:11,571 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 10:17:11,593 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 10:17:11,593 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 10:17:11,594 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 10:17:11,594 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 10:17:11,594 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 10:17:11,595 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 10:17:11,595 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 10:17:11,595 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 10:17:11,596 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 10:17:11,596 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 10:17:11,596 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 10:17:11,597 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 10:17:11,600 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 10:17:11,601 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 10:17:11,601 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 10:17:11,601 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 10:17:11,602 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 10:17:11,602 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 10:17:11,602 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 10:17:11,603 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 10:17:11,603 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 10:17:11,603 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 10:17:11,607 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 10:17:11,608 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 10:17:11,608 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 10:17:11,608 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 10:17:11,608 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 10:17:11,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 10:17:11,609 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 10:17:11,609 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 10:17:11,609 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 10:17:11,609 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 10:17:11,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 10:17:11,610 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 10:17:11,610 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 10:17:11,610 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 10:17:11,611 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 10:17:11,611 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 330035e885fa245249a9985bfeff9cf400ee4543a6b7e2fb380a386ceeec5a9f [2024-10-11 10:17:11,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 10:17:11,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 10:17:11,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 10:17:11,870 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 10:17:11,871 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 10:17:11,872 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-81.i [2024-10-11 10:17:13,410 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 10:17:13,625 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 10:17:13,626 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-81.i [2024-10-11 10:17:13,635 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/a11bb31fa/143f178aa3164cc8937b2f2dc89587e9/FLAGece0cabb0 [2024-10-11 10:17:13,646 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/a11bb31fa/143f178aa3164cc8937b2f2dc89587e9 [2024-10-11 10:17:13,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 10:17:13,649 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 10:17:13,650 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 10:17:13,650 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 10:17:13,654 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 10:17:13,655 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 10:17:13" (1/1) ... [2024-10-11 10:17:13,656 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3654d148 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:17:13, skipping insertion in model container [2024-10-11 10:17:13,656 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 10:17:13" (1/1) ... [2024-10-11 10:17:13,694 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 10:17:13,880 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_fillercodestructure_filler-ps-cn_file-81.i[919,932] [2024-10-11 10:17:13,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 10:17:14,009 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 10:17:14,019 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_fillercodestructure_filler-ps-cn_file-81.i[919,932] [2024-10-11 10:17:14,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 10:17:14,074 INFO L204 MainTranslator]: Completed translation [2024-10-11 10:17:14,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:17:14 WrapperNode [2024-10-11 10:17:14,074 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 10:17:14,076 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 10:17:14,077 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 10:17:14,077 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 10:17:14,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:17:14" (1/1) ... [2024-10-11 10:17:14,105 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:17:14" (1/1) ... [2024-10-11 10:17:14,182 INFO L138 Inliner]: procedures = 26, calls = 63, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 308 [2024-10-11 10:17:14,182 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 10:17:14,183 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 10:17:14,183 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 10:17:14,184 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 10:17:14,215 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:17:14" (1/1) ... [2024-10-11 10:17:14,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:17:14" (1/1) ... [2024-10-11 10:17:14,225 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:17:14" (1/1) ... [2024-10-11 10:17:14,262 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]. [2024-10-11 10:17:14,262 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:17:14" (1/1) ... [2024-10-11 10:17:14,262 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:17:14" (1/1) ... [2024-10-11 10:17:14,284 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:17:14" (1/1) ... [2024-10-11 10:17:14,288 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:17:14" (1/1) ... [2024-10-11 10:17:14,293 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:17:14" (1/1) ... [2024-10-11 10:17:14,299 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:17:14" (1/1) ... [2024-10-11 10:17:14,310 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 10:17:14,311 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 10:17:14,312 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 10:17:14,312 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 10:17:14,313 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:17:14" (1/1) ... [2024-10-11 10:17:14,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 10:17:14,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 10:17:14,349 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 10:17:14,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 10:17:14,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 10:17:14,399 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 10:17:14,399 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 10:17:14,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 10:17:14,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 10:17:14,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 10:17:14,514 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 10:17:14,517 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 10:17:15,043 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-10-11 10:17:15,044 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 10:17:15,080 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 10:17:15,080 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 10:17:15,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:17:15 BoogieIcfgContainer [2024-10-11 10:17:15,081 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 10:17:15,083 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 10:17:15,083 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 10:17:15,086 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 10:17:15,086 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 10:17:13" (1/3) ... [2024-10-11 10:17:15,087 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b352550 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 10:17:15, skipping insertion in model container [2024-10-11 10:17:15,088 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:17:14" (2/3) ... [2024-10-11 10:17:15,088 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b352550 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 10:17:15, skipping insertion in model container [2024-10-11 10:17:15,089 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:17:15" (3/3) ... [2024-10-11 10:17:15,090 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-cn_file-81.i [2024-10-11 10:17:15,105 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 10:17:15,106 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 10:17:15,167 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 10:17:15,173 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;@79d10ee8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 10:17:15,173 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 10:17:15,178 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 75 states have (on average 1.4533333333333334) internal successors, (109), 76 states have internal predecessors, (109), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-11 10:17:15,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-10-11 10:17:15,200 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:17:15,201 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:17:15,201 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:17:15,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:17:15,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1064743791, now seen corresponding path program 1 times [2024-10-11 10:17:15,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:17:15,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369614833] [2024-10-11 10:17:15,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:17:15,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:17:15,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:17:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:17:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:17:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:17:15,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:17:15,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:17:15,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:17:15,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:17:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:17:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:17:15,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:17:15,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:17:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:17:15,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:17:15,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:17:15,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:17:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:17:15,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:17:15,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:17:15,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:17:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:17:15,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:17:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:17:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:17:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:17:15,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:17:15,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:17:15,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 10:17:15,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 10:17:15,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 10:17:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 10:17:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 10:17:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 10:17:15,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 10:17:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 10:17:15,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 10:17:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 10:17:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 10:17:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 10:17:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 10:17:15,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 10:17:15,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 10:17:15,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 10:17:15,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 10:17:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 10:17:15,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 10:17:15,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 10:17:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 10:17:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 10:17:15,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-11 10:17:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:15,854 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-11 10:17:15,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:17:15,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369614833] [2024-10-11 10:17:15,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369614833] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:17:15,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:17:15,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 10:17:15,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208318206] [2024-10-11 10:17:15,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:17:15,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 10:17:15,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:17:15,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 10:17:15,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 10:17:15,891 INFO L87 Difference]: Start difference. First operand has 128 states, 75 states have (on average 1.4533333333333334) internal successors, (109), 76 states have internal predecessors, (109), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-11 10:17:15,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:17:15,965 INFO L93 Difference]: Finished difference Result 253 states and 466 transitions. [2024-10-11 10:17:15,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 10:17:15,968 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) Word has length 302 [2024-10-11 10:17:15,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:17:15,979 INFO L225 Difference]: With dead ends: 253 [2024-10-11 10:17:15,979 INFO L226 Difference]: Without dead ends: 126 [2024-10-11 10:17:15,985 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 10:17:15,990 INFO L432 NwaCegarLoop]: 201 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, 201 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 [2024-10-11 10:17:15,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 201 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 10:17:16,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-10-11 10:17:16,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2024-10-11 10:17:16,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 74 states have (on average 1.4054054054054055) internal successors, (104), 74 states have internal predecessors, (104), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-10-11 10:17:16,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 204 transitions. [2024-10-11 10:17:16,064 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 204 transitions. Word has length 302 [2024-10-11 10:17:16,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:17:16,065 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 204 transitions. [2024-10-11 10:17:16,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-11 10:17:16,065 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 204 transitions. [2024-10-11 10:17:16,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-10-11 10:17:16,071 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:17:16,072 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:17:16,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 10:17:16,072 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:17:16,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:17:16,073 INFO L85 PathProgramCache]: Analyzing trace with hash 764284377, now seen corresponding path program 1 times [2024-10-11 10:17:16,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:17:16,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4317637] [2024-10-11 10:17:16,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:17:16,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:17:16,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:16,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:17:16,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:16,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:17:16,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:16,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:17:16,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:16,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:17:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:16,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:17:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:16,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:17:16,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:16,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:17:16,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:16,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:17:16,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:16,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:17:16,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:16,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:17:16,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:16,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:17:16,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:16,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:17:16,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:16,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:17:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:16,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:17:16,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:16,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:17:16,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:16,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:17:16,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:16,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:17:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:16,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:17:16,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:16,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:17:16,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:16,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:17:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:16,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:17:16,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:17,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:17:17,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:17,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:17:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:17,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:17:17,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:17,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:17:17,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:17,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:17:17,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:17,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:17:17,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:17,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 10:17:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:17,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 10:17:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:17,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 10:17:17,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:17,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 10:17:17,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:17,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 10:17:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:17,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 10:17:17,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:17,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 10:17:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:17,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 10:17:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:17,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 10:17:17,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:17,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 10:17:17,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:17,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 10:17:17,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:17,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 10:17:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:17,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 10:17:17,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:17,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 10:17:17,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:17,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 10:17:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:17,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 10:17:17,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:17,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 10:17:17,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:17,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 10:17:17,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:17,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 10:17:17,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:17,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 10:17:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:17,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 10:17:17,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:17,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 10:17:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:17,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-11 10:17:17,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:17,188 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-11 10:17:17,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:17:17,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4317637] [2024-10-11 10:17:17,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4317637] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:17:17,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:17:17,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 10:17:17,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579804595] [2024-10-11 10:17:17,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:17:17,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 10:17:17,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:17:17,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 10:17:17,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 10:17:17,196 INFO L87 Difference]: Start difference. First operand 126 states and 204 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 10:17:17,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:17:17,532 INFO L93 Difference]: Finished difference Result 377 states and 612 transitions. [2024-10-11 10:17:17,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 10:17:17,535 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 302 [2024-10-11 10:17:17,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:17:17,542 INFO L225 Difference]: With dead ends: 377 [2024-10-11 10:17:17,544 INFO L226 Difference]: Without dead ends: 252 [2024-10-11 10:17:17,545 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-11 10:17:17,546 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 121 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 10:17:17,548 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 592 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 10:17:17,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-10-11 10:17:17,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 250. [2024-10-11 10:17:17,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 147 states have (on average 1.4081632653061225) internal successors, (207), 147 states have internal predecessors, (207), 100 states have call successors, (100), 2 states have call predecessors, (100), 2 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-11 10:17:17,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 407 transitions. [2024-10-11 10:17:17,629 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 407 transitions. Word has length 302 [2024-10-11 10:17:17,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:17:17,633 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 407 transitions. [2024-10-11 10:17:17,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 10:17:17,634 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 407 transitions. [2024-10-11 10:17:17,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-10-11 10:17:17,638 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:17:17,639 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:17:17,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 10:17:17,643 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:17:17,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:17:17,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1511991172, now seen corresponding path program 1 times [2024-10-11 10:17:17,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:17:17,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235654635] [2024-10-11 10:17:17,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:17:17,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:17:17,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:17:18,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:17:18,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:17:18,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:17:18,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:17:18,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:17:18,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:17:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:17:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:17:18,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:17:18,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:17:18,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:17:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:17:18,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:17:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:17:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:17:18,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:17:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:17:18,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:17:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:17:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:17:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:17:18,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:17:18,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:17:18,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:17:18,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:17:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:17:18,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 10:17:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 10:17:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 10:17:18,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 10:17:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 10:17:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 10:17:18,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 10:17:18,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 10:17:18,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 10:17:18,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 10:17:18,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 10:17:18,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 10:17:18,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 10:17:18,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 10:17:18,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 10:17:18,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 10:17:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 10:17:18,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 10:17:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 10:17:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 10:17:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 10:17:18,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 10:17:18,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-11 10:17:18,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:18,718 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-11 10:17:18,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:17:18,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235654635] [2024-10-11 10:17:18,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235654635] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:17:18,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:17:18,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 10:17:18,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54339636] [2024-10-11 10:17:18,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:17:18,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 10:17:18,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:17:18,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 10:17:18,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 10:17:18,724 INFO L87 Difference]: Start difference. First operand 250 states and 407 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 10:17:19,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:17:19,614 INFO L93 Difference]: Finished difference Result 937 states and 1500 transitions. [2024-10-11 10:17:19,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 10:17:19,615 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 303 [2024-10-11 10:17:19,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:17:19,625 INFO L225 Difference]: With dead ends: 937 [2024-10-11 10:17:19,625 INFO L226 Difference]: Without dead ends: 688 [2024-10-11 10:17:19,627 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 107 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-11 10:17:19,628 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 417 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 265 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 417 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 265 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 10:17:19,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [417 Valid, 646 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [265 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 10:17:19,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2024-10-11 10:17:19,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 264. [2024-10-11 10:17:19,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 159 states have (on average 1.4025157232704402) internal successors, (223), 159 states have internal predecessors, (223), 100 states have call successors, (100), 4 states have call predecessors, (100), 4 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-11 10:17:19,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 423 transitions. [2024-10-11 10:17:19,728 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 423 transitions. Word has length 303 [2024-10-11 10:17:19,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:17:19,730 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 423 transitions. [2024-10-11 10:17:19,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 10:17:19,730 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 423 transitions. [2024-10-11 10:17:19,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-10-11 10:17:19,732 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:17:19,733 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:17:19,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 10:17:19,734 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:17:19,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:17:19,734 INFO L85 PathProgramCache]: Analyzing trace with hash 117095086, now seen corresponding path program 1 times [2024-10-11 10:17:19,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:17:19,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489998501] [2024-10-11 10:17:19,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:17:19,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:17:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:17:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:17:20,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:17:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:17:20,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:17:20,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:17:20,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:17:20,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:17:20,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:17:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:17:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:17:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:17:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:17:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:17:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:17:20,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:17:20,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:17:20,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:17:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:17:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:17:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:17:20,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:17:20,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:17:20,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:17:20,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:17:20,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:17:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:17:20,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 10:17:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 10:17:20,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 10:17:20,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 10:17:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 10:17:20,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 10:17:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 10:17:20,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 10:17:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 10:17:20,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 10:17:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 10:17:20,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 10:17:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 10:17:20,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 10:17:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 10:17:20,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 10:17:20,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 10:17:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 10:17:20,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 10:17:20,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 10:17:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 10:17:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 10:17:20,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-11 10:17:20,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:20,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-11 10:17:20,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:17:20,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489998501] [2024-10-11 10:17:20,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489998501] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:17:20,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:17:20,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 10:17:20,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326627610] [2024-10-11 10:17:20,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:17:20,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 10:17:20,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:17:20,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 10:17:20,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 10:17:20,217 INFO L87 Difference]: Start difference. First operand 264 states and 423 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 10:17:20,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:17:20,340 INFO L93 Difference]: Finished difference Result 591 states and 938 transitions. [2024-10-11 10:17:20,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 10:17:20,341 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 303 [2024-10-11 10:17:20,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:17:20,344 INFO L225 Difference]: With dead ends: 591 [2024-10-11 10:17:20,344 INFO L226 Difference]: Without dead ends: 328 [2024-10-11 10:17:20,345 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 10:17:20,346 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 40 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 10:17:20,346 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 591 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 10:17:20,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2024-10-11 10:17:20,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 324. [2024-10-11 10:17:20,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 209 states have (on average 1.4019138755980862) internal successors, (293), 211 states have internal predecessors, (293), 108 states have call successors, (108), 6 states have call predecessors, (108), 6 states have return successors, (108), 106 states have call predecessors, (108), 108 states have call successors, (108) [2024-10-11 10:17:20,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 509 transitions. [2024-10-11 10:17:20,422 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 509 transitions. Word has length 303 [2024-10-11 10:17:20,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:17:20,423 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 509 transitions. [2024-10-11 10:17:20,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 10:17:20,424 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 509 transitions. [2024-10-11 10:17:20,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-10-11 10:17:20,425 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:17:20,426 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:17:20,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 10:17:20,426 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:17:20,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:17:20,427 INFO L85 PathProgramCache]: Analyzing trace with hash -562963284, now seen corresponding path program 1 times [2024-10-11 10:17:20,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:17:20,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722038113] [2024-10-11 10:17:20,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:17:20,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:17:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:17:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:17:36,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:17:36,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:17:36,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:17:36,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:17:36,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:17:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:17:36,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:17:36,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:17:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:17:36,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:17:36,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:17:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:17:36,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:17:36,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:17:36,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:17:36,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:17:36,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:17:36,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:17:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:17:36,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:17:36,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:17:36,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:17:36,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:17:36,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:17:36,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:17:36,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 10:17:36,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 10:17:36,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 10:17:36,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 10:17:36,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 10:17:36,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 10:17:36,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 10:17:36,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 10:17:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 10:17:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 10:17:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 10:17:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 10:17:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 10:17:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 10:17:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 10:17:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 10:17:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 10:17:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 10:17:36,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 10:17:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 10:17:36,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 10:17:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 10:17:36,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-11 10:17:36,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:36,488 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-11 10:17:36,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:17:36,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722038113] [2024-10-11 10:17:36,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722038113] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:17:36,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:17:36,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-11 10:17:36,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886594708] [2024-10-11 10:17:36,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:17:36,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 10:17:36,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:17:36,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 10:17:36,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-10-11 10:17:36,493 INFO L87 Difference]: Start difference. First operand 324 states and 509 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-11 10:17:40,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:17:40,097 INFO L93 Difference]: Finished difference Result 1016 states and 1573 transitions. [2024-10-11 10:17:40,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 10:17:40,098 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) Word has length 303 [2024-10-11 10:17:40,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:17:40,104 INFO L225 Difference]: With dead ends: 1016 [2024-10-11 10:17:40,105 INFO L226 Difference]: Without dead ends: 693 [2024-10-11 10:17:40,106 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=132, Invalid=374, Unknown=0, NotChecked=0, Total=506 [2024-10-11 10:17:40,107 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 628 mSDsluCounter, 1010 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 628 SdHoareTripleChecker+Valid, 1188 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-11 10:17:40,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [628 Valid, 1188 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-11 10:17:40,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2024-10-11 10:17:40,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 481. [2024-10-11 10:17:40,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 314 states have (on average 1.4203821656050954) internal successors, (446), 316 states have internal predecessors, (446), 158 states have call successors, (158), 8 states have call predecessors, (158), 8 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-10-11 10:17:40,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 762 transitions. [2024-10-11 10:17:40,192 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 762 transitions. Word has length 303 [2024-10-11 10:17:40,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:17:40,193 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 762 transitions. [2024-10-11 10:17:40,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-11 10:17:40,194 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 762 transitions. [2024-10-11 10:17:40,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-10-11 10:17:40,196 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:17:40,196 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:17:40,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 10:17:40,196 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:17:40,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:17:40,197 INFO L85 PathProgramCache]: Analyzing trace with hash -955990294, now seen corresponding path program 1 times [2024-10-11 10:17:40,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:17:40,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896525789] [2024-10-11 10:17:40,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:17:40,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:17:40,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:17:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:17:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:17:50,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:17:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:17:50,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:17:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:17:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:17:50,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:17:50,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:17:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:17:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:17:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:17:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:17:50,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:17:50,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:17:50,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:17:50,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:17:50,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:17:50,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:17:50,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:17:50,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:17:50,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:17:50,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:17:50,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:17:50,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:17:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:17:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 10:17:50,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 10:17:50,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 10:17:50,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 10:17:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 10:17:50,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 10:17:50,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 10:17:50,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 10:17:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 10:17:50,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 10:17:50,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 10:17:50,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 10:17:50,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 10:17:50,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 10:17:50,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 10:17:50,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 10:17:50,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 10:17:50,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 10:17:50,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 10:17:50,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 10:17:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 10:17:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 10:17:50,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-11 10:17:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:50,304 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-11 10:17:50,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:17:50,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896525789] [2024-10-11 10:17:50,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896525789] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:17:50,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:17:50,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 10:17:50,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361738261] [2024-10-11 10:17:50,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:17:50,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 10:17:50,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:17:50,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 10:17:50,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-11 10:17:50,308 INFO L87 Difference]: Start difference. First operand 481 states and 762 transitions. Second operand has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 10:17:50,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:17:50,917 INFO L93 Difference]: Finished difference Result 876 states and 1370 transitions. [2024-10-11 10:17:50,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 10:17:50,919 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 303 [2024-10-11 10:17:50,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:17:50,924 INFO L225 Difference]: With dead ends: 876 [2024-10-11 10:17:50,924 INFO L226 Difference]: Without dead ends: 553 [2024-10-11 10:17:50,925 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-10-11 10:17:50,926 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 164 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 704 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 10:17:50,927 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 704 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 10:17:50,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2024-10-11 10:17:50,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 344. [2024-10-11 10:17:50,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 229 states have (on average 1.4017467248908297) internal successors, (321), 231 states have internal predecessors, (321), 108 states have call successors, (108), 6 states have call predecessors, (108), 6 states have return successors, (108), 106 states have call predecessors, (108), 108 states have call successors, (108) [2024-10-11 10:17:50,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 537 transitions. [2024-10-11 10:17:50,986 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 537 transitions. Word has length 303 [2024-10-11 10:17:50,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:17:50,986 INFO L471 AbstractCegarLoop]: Abstraction has 344 states and 537 transitions. [2024-10-11 10:17:50,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 10:17:50,987 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 537 transitions. [2024-10-11 10:17:50,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-10-11 10:17:50,989 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:17:50,989 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:17:50,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 10:17:50,989 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:17:50,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:17:50,990 INFO L85 PathProgramCache]: Analyzing trace with hash 138101294, now seen corresponding path program 1 times [2024-10-11 10:17:50,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:17:50,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028846499] [2024-10-11 10:17:50,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:17:50,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:17:51,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:17:52,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:17:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:17:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:17:52,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:17:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:17:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:17:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:17:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:17:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:17:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:17:52,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:17:52,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:17:52,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:17:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:17:52,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:17:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:17:52,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:17:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:17:52,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:17:52,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:17:52,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:17:52,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:17:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:17:52,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:17:52,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:17:52,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:17:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 10:17:52,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 10:17:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 10:17:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 10:17:52,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 10:17:52,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 10:17:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 10:17:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 10:17:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 10:17:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 10:17:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 10:17:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 10:17:52,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 10:17:52,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 10:17:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 10:17:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 10:17:52,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 10:17:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 10:17:52,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 10:17:52,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 10:17:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 10:17:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 10:17:52,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-11 10:17:52,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:52,292 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-11 10:17:52,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:17:52,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028846499] [2024-10-11 10:17:52,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028846499] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:17:52,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:17:52,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 10:17:52,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601514033] [2024-10-11 10:17:52,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:17:52,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 10:17:52,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:17:52,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 10:17:52,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 10:17:52,296 INFO L87 Difference]: Start difference. First operand 344 states and 537 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 10:17:53,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:17:53,515 INFO L93 Difference]: Finished difference Result 1100 states and 1705 transitions. [2024-10-11 10:17:53,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 10:17:53,516 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 303 [2024-10-11 10:17:53,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:17:53,522 INFO L225 Difference]: With dead ends: 1100 [2024-10-11 10:17:53,522 INFO L226 Difference]: Without dead ends: 757 [2024-10-11 10:17:53,525 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-10-11 10:17:53,529 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 373 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 838 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 10:17:53,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 838 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 10:17:53,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2024-10-11 10:17:53,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 489. [2024-10-11 10:17:53,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 322 states have (on average 1.4161490683229814) internal successors, (456), 324 states have internal predecessors, (456), 158 states have call successors, (158), 8 states have call predecessors, (158), 8 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-10-11 10:17:53,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 772 transitions. [2024-10-11 10:17:53,670 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 772 transitions. Word has length 303 [2024-10-11 10:17:53,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:17:53,670 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 772 transitions. [2024-10-11 10:17:53,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 10:17:53,671 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 772 transitions. [2024-10-11 10:17:53,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-10-11 10:17:53,673 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:17:53,674 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:17:53,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 10:17:53,674 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:17:53,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:17:53,674 INFO L85 PathProgramCache]: Analyzing trace with hash -448704720, now seen corresponding path program 1 times [2024-10-11 10:17:53,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:17:53,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687565662] [2024-10-11 10:17:53,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:17:53,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:17:53,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:17:54,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:17:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:17:54,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:17:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:17:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:17:54,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:17:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:17:54,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:17:54,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:17:54,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:17:54,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:17:54,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:17:54,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:17:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:17:54,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:17:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:17:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:17:54,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:17:54,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:17:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:17:54,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:17:54,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:17:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:17:54,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:17:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:17:54,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:17:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 10:17:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 10:17:54,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 10:17:54,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 10:17:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 10:17:54,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 10:17:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 10:17:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 10:17:54,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 10:17:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 10:17:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 10:17:54,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 10:17:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 10:17:54,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 10:17:54,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 10:17:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 10:17:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 10:17:54,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 10:17:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 10:17:54,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 10:17:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 10:17:54,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 10:17:54,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-11 10:17:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:17:54,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-11 10:17:54,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:17:54,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687565662] [2024-10-11 10:17:54,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687565662] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:17:54,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:17:54,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 10:17:54,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204269042] [2024-10-11 10:17:54,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:17:54,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 10:17:54,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:17:54,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 10:17:54,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-11 10:17:54,595 INFO L87 Difference]: Start difference. First operand 489 states and 772 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 10:17:55,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:17:55,317 INFO L93 Difference]: Finished difference Result 930 states and 1451 transitions. [2024-10-11 10:17:55,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 10:17:55,318 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 303 [2024-10-11 10:17:55,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:17:55,322 INFO L225 Difference]: With dead ends: 930 [2024-10-11 10:17:55,322 INFO L226 Difference]: Without dead ends: 587 [2024-10-11 10:17:55,323 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-10-11 10:17:55,325 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 204 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 10:17:55,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 756 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 10:17:55,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2024-10-11 10:17:55,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 489. [2024-10-11 10:17:55,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 322 states have (on average 1.4161490683229814) internal successors, (456), 324 states have internal predecessors, (456), 158 states have call successors, (158), 8 states have call predecessors, (158), 8 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-10-11 10:17:55,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 772 transitions. [2024-10-11 10:17:55,407 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 772 transitions. Word has length 303 [2024-10-11 10:17:55,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:17:55,408 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 772 transitions. [2024-10-11 10:17:55,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 10:17:55,408 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 772 transitions. [2024-10-11 10:17:55,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-10-11 10:17:55,410 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:17:55,410 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:17:55,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 10:17:55,411 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:17:55,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:17:55,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1686984447, now seen corresponding path program 1 times [2024-10-11 10:17:55,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:17:55,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547946170] [2024-10-11 10:17:55,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:17:55,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:17:55,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:18:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:18:01,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:18:01,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:18:01,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:18:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:18:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:18:01,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:18:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:18:01,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:18:01,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:18:01,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:18:01,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:18:01,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:18:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:18:01,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:18:01,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:18:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:18:01,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:18:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:18:01,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:18:01,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:18:01,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:18:01,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:18:01,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:18:01,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:18:01,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:18:01,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 10:18:01,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 10:18:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 10:18:01,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 10:18:01,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 10:18:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 10:18:01,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 10:18:01,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 10:18:01,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 10:18:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 10:18:01,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 10:18:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 10:18:01,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 10:18:01,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 10:18:01,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 10:18:01,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 10:18:01,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 10:18:01,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 10:18:01,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 10:18:01,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 10:18:01,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 10:18:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 10:18:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-11 10:18:01,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:01,222 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-11 10:18:01,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:18:01,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547946170] [2024-10-11 10:18:01,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547946170] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:18:01,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:18:01,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-11 10:18:01,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865033916] [2024-10-11 10:18:01,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:18:01,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 10:18:01,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:18:01,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 10:18:01,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-10-11 10:18:01,224 INFO L87 Difference]: Start difference. First operand 489 states and 772 transitions. Second operand has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 10:18:02,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:18:02,772 INFO L93 Difference]: Finished difference Result 1068 states and 1650 transitions. [2024-10-11 10:18:02,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 10:18:02,772 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 304 [2024-10-11 10:18:02,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:18:02,777 INFO L225 Difference]: With dead ends: 1068 [2024-10-11 10:18:02,778 INFO L226 Difference]: Without dead ends: 725 [2024-10-11 10:18:02,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2024-10-11 10:18:02,780 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 376 mSDsluCounter, 816 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 1012 SdHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 10:18:02,780 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 1012 Invalid, 736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 10:18:02,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2024-10-11 10:18:02,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 515. [2024-10-11 10:18:02,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 348 states have (on average 1.4195402298850575) internal successors, (494), 350 states have internal predecessors, (494), 158 states have call successors, (158), 8 states have call predecessors, (158), 8 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-10-11 10:18:02,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 810 transitions. [2024-10-11 10:18:02,870 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 810 transitions. Word has length 304 [2024-10-11 10:18:02,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:18:02,871 INFO L471 AbstractCegarLoop]: Abstraction has 515 states and 810 transitions. [2024-10-11 10:18:02,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 11 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 10:18:02,871 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 810 transitions. [2024-10-11 10:18:02,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-10-11 10:18:02,873 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:18:02,873 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:18:02,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 10:18:02,874 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:18:02,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:18:02,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1006926077, now seen corresponding path program 1 times [2024-10-11 10:18:02,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:18:02,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882108393] [2024-10-11 10:18:02,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:18:02,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:18:02,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:18:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:18:07,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:18:07,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:18:07,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:18:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:18:07,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:18:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:18:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:18:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:18:07,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:18:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:18:07,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:18:07,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:18:07,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:18:07,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:18:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:18:07,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:18:07,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:18:07,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:18:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:18:07,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:18:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:18:07,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:18:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:18:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:18:07,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:18:07,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 10:18:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 10:18:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 10:18:07,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 10:18:07,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 10:18:07,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 10:18:07,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 10:18:07,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 10:18:07,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 10:18:07,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 10:18:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 10:18:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 10:18:07,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 10:18:07,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 10:18:07,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 10:18:07,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 10:18:07,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 10:18:07,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 10:18:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 10:18:07,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 10:18:07,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 10:18:07,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 10:18:07,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-11 10:18:07,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:07,605 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-11 10:18:07,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:18:07,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882108393] [2024-10-11 10:18:07,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882108393] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:18:07,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:18:07,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 10:18:07,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187862221] [2024-10-11 10:18:07,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:18:07,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 10:18:07,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:18:07,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 10:18:07,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-10-11 10:18:07,607 INFO L87 Difference]: Start difference. First operand 515 states and 810 transitions. Second operand has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 10:18:08,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:18:08,397 INFO L93 Difference]: Finished difference Result 1112 states and 1714 transitions. [2024-10-11 10:18:08,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 10:18:08,398 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 304 [2024-10-11 10:18:08,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:18:08,404 INFO L225 Difference]: With dead ends: 1112 [2024-10-11 10:18:08,404 INFO L226 Difference]: Without dead ends: 769 [2024-10-11 10:18:08,405 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-10-11 10:18:08,406 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 191 mSDsluCounter, 854 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 1035 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 10:18:08,406 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 1035 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 10:18:08,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2024-10-11 10:18:08,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 525. [2024-10-11 10:18:08,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 358 states have (on average 1.4301675977653632) internal successors, (512), 360 states have internal predecessors, (512), 158 states have call successors, (158), 8 states have call predecessors, (158), 8 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-10-11 10:18:08,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 828 transitions. [2024-10-11 10:18:08,496 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 828 transitions. Word has length 304 [2024-10-11 10:18:08,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:18:08,497 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 828 transitions. [2024-10-11 10:18:08,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-10-11 10:18:08,497 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 828 transitions. [2024-10-11 10:18:08,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-10-11 10:18:08,499 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:18:08,499 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:18:08,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 10:18:08,499 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:18:08,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:18:08,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1293957437, now seen corresponding path program 1 times [2024-10-11 10:18:08,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:18:08,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239344398] [2024-10-11 10:18:08,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:18:08,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:18:08,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:12,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:18:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:12,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:18:12,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:12,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:18:12,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:12,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:18:12,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:12,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:18:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:12,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:18:12,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:12,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:18:12,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:12,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:18:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:12,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:18:12,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:12,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:18:12,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:12,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:18:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:12,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:18:12,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:12,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:18:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:12,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:18:12,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:12,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:18:12,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:13,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:18:13,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:13,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:18:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:13,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:18:13,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:13,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:18:13,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:13,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:18:13,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:13,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:18:13,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:13,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:18:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:13,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:18:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:13,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:18:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:13,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:18:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:13,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:18:13,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:13,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:18:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:13,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 10:18:13,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:13,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 10:18:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:13,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 10:18:13,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:13,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 10:18:13,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:13,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 10:18:13,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:13,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 10:18:13,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:13,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 10:18:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:13,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 10:18:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:13,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 10:18:13,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:13,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 10:18:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:13,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 10:18:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:13,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 10:18:13,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:13,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 10:18:13,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:13,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 10:18:13,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:13,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 10:18:13,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:13,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 10:18:13,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:13,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 10:18:13,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:13,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 10:18:13,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:13,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 10:18:13,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:13,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 10:18:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:13,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 10:18:13,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:13,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 10:18:13,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:13,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-11 10:18:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:13,178 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-11 10:18:13,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:18:13,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239344398] [2024-10-11 10:18:13,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239344398] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:18:13,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:18:13,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 10:18:13,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108157245] [2024-10-11 10:18:13,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:18:13,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 10:18:13,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:18:13,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 10:18:13,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-10-11 10:18:13,181 INFO L87 Difference]: Start difference. First operand 525 states and 828 transitions. Second operand has 12 states, 11 states have (on average 5.181818181818182) internal successors, (57), 12 states have internal predecessors, (57), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-11 10:18:15,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 10:18:15,052 INFO L93 Difference]: Finished difference Result 1162 states and 1790 transitions. [2024-10-11 10:18:15,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 10:18:15,053 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.181818181818182) internal successors, (57), 12 states have internal predecessors, (57), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) Word has length 304 [2024-10-11 10:18:15,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 10:18:15,058 INFO L225 Difference]: With dead ends: 1162 [2024-10-11 10:18:15,058 INFO L226 Difference]: Without dead ends: 809 [2024-10-11 10:18:15,060 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 103 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=106, Invalid=314, Unknown=0, NotChecked=0, Total=420 [2024-10-11 10:18:15,061 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 419 mSDsluCounter, 1083 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 1279 SdHoareTripleChecker+Invalid, 947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 10:18:15,061 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 1279 Invalid, 947 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [203 Valid, 744 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 10:18:15,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2024-10-11 10:18:15,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 533. [2024-10-11 10:18:15,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 366 states have (on average 1.4316939890710383) internal successors, (524), 368 states have internal predecessors, (524), 158 states have call successors, (158), 8 states have call predecessors, (158), 8 states have return successors, (158), 156 states have call predecessors, (158), 158 states have call successors, (158) [2024-10-11 10:18:15,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 840 transitions. [2024-10-11 10:18:15,156 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 840 transitions. Word has length 304 [2024-10-11 10:18:15,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 10:18:15,157 INFO L471 AbstractCegarLoop]: Abstraction has 533 states and 840 transitions. [2024-10-11 10:18:15,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.181818181818182) internal successors, (57), 12 states have internal predecessors, (57), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-10-11 10:18:15,157 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 840 transitions. [2024-10-11 10:18:15,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-10-11 10:18:15,159 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 10:18:15,159 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 10:18:15,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 10:18:15,160 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 10:18:15,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 10:18:15,160 INFO L85 PathProgramCache]: Analyzing trace with hash 613899067, now seen corresponding path program 1 times [2024-10-11 10:18:15,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 10:18:15,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184278002] [2024-10-11 10:18:15,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 10:18:15,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 10:18:15,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 10:18:20,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 10:18:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 10:18:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 10:18:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 10:18:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 10:18:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 10:18:20,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 10:18:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 10:18:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 10:18:20,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 10:18:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 10:18:20,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 10:18:20,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 10:18:20,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 10:18:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 10:18:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 10:18:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 10:18:20,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 10:18:20,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 10:18:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 10:18:20,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 10:18:20,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 10:18:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 10:18:20,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 10:18:20,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 10:18:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 10:18:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 10:18:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 10:18:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 10:18:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 10:18:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 10:18:20,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 10:18:20,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 10:18:20,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 10:18:20,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-11 10:18:20,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 10:18:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-11 10:18:20,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-11 10:18:20,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 10:18:20,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 10:18:20,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 10:18:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 10:18:20,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 10:18:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-11 10:18:20,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 10:18:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 10:18:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-11 10:18:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 10:18:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2024-10-11 10:18:20,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 10:18:20,411 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-10-11 10:18:20,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 10:18:20,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184278002] [2024-10-11 10:18:20,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184278002] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 10:18:20,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 10:18:20,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-11 10:18:20,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186548595] [2024-10-11 10:18:20,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 10:18:20,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 10:18:20,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 10:18:20,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 10:18:20,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-10-11 10:18:20,414 INFO L87 Difference]: Start difference. First operand 533 states and 840 transitions. Second operand has 13 states, 13 states have (on average 4.384615384615385) internal successors, (57), 13 states have internal predecessors, (57), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50)