./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-52.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-52.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fee106c2dd9d07a82140ad551bdb46665897289e1764fe2cd6376e02d0b80705 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 06:00:51,230 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 06:00:51,305 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 06:00:51,311 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 06:00:51,312 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 06:00:51,353 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 06:00:51,354 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 06:00:51,355 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 06:00:51,356 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 06:00:51,360 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 06:00:51,360 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 06:00:51,360 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 06:00:51,361 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 06:00:51,361 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 06:00:51,361 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 06:00:51,362 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 06:00:51,362 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 06:00:51,362 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 06:00:51,362 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 06:00:51,363 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 06:00:51,363 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 06:00:51,365 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 06:00:51,365 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 06:00:51,366 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 06:00:51,366 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 06:00:51,366 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 06:00:51,367 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 06:00:51,367 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 06:00:51,367 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 06:00:51,367 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 06:00:51,368 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 06:00:51,369 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 06:00:51,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 06:00:51,369 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 06:00:51,370 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 06:00:51,370 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 06:00:51,370 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 06:00:51,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 06:00:51,371 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 06:00:51,371 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 06:00:51,371 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 06:00:51,372 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 06:00:51,372 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fee106c2dd9d07a82140ad551bdb46665897289e1764fe2cd6376e02d0b80705 [2024-11-10 06:00:51,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 06:00:51,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 06:00:51,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 06:00:51,672 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 06:00:51,672 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 06:00:51,674 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-52.i [2024-11-10 06:00:53,201 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 06:00:53,413 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 06:00:53,414 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-52.i [2024-11-10 06:00:53,427 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7295a0ed6/38572dc9da804018a503f8ee5f3f782e/FLAGf38c2e139 [2024-11-10 06:00:53,774 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7295a0ed6/38572dc9da804018a503f8ee5f3f782e [2024-11-10 06:00:53,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 06:00:53,778 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 06:00:53,779 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 06:00:53,779 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 06:00:53,785 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 06:00:53,786 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:00:53" (1/1) ... [2024-11-10 06:00:53,787 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a80a658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:53, skipping insertion in model container [2024-11-10 06:00:53,787 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:00:53" (1/1) ... [2024-11-10 06:00:53,818 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 06:00:53,992 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-52.i[919,932] [2024-11-10 06:00:54,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 06:00:54,087 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 06:00:54,098 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-52.i[919,932] [2024-11-10 06:00:54,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 06:00:54,152 INFO L204 MainTranslator]: Completed translation [2024-11-10 06:00:54,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:54 WrapperNode [2024-11-10 06:00:54,153 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 06:00:54,154 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 06:00:54,154 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 06:00:54,154 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 06:00:54,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:54" (1/1) ... [2024-11-10 06:00:54,172 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:54" (1/1) ... [2024-11-10 06:00:54,220 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 192 [2024-11-10 06:00:54,221 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 06:00:54,222 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 06:00:54,223 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 06:00:54,223 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 06:00:54,234 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:54" (1/1) ... [2024-11-10 06:00:54,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:54" (1/1) ... [2024-11-10 06:00:54,245 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:54" (1/1) ... [2024-11-10 06:00:54,266 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 06:00:54,267 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:54" (1/1) ... [2024-11-10 06:00:54,267 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:54" (1/1) ... [2024-11-10 06:00:54,278 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:54" (1/1) ... [2024-11-10 06:00:54,280 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:54" (1/1) ... [2024-11-10 06:00:54,283 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:54" (1/1) ... [2024-11-10 06:00:54,288 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:54" (1/1) ... [2024-11-10 06:00:54,297 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 06:00:54,301 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 06:00:54,301 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 06:00:54,301 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 06:00:54,302 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:54" (1/1) ... [2024-11-10 06:00:54,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 06:00:54,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 06:00:54,350 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 06:00:54,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 06:00:54,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 06:00:54,409 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 06:00:54,410 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 06:00:54,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 06:00:54,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 06:00:54,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 06:00:54,503 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 06:00:54,505 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 06:00:54,955 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-10 06:00:54,955 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 06:00:54,987 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 06:00:54,987 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 06:00:54,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:00:54 BoogieIcfgContainer [2024-11-10 06:00:54,989 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 06:00:54,993 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 06:00:54,993 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 06:00:54,996 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 06:00:54,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:00:53" (1/3) ... [2024-11-10 06:00:54,998 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66ab68a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:00:54, skipping insertion in model container [2024-11-10 06:00:54,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:00:54" (2/3) ... [2024-11-10 06:00:54,999 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66ab68a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:00:54, skipping insertion in model container [2024-11-10 06:00:54,999 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:00:54" (3/3) ... [2024-11-10 06:00:55,000 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-52.i [2024-11-10 06:00:55,018 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 06:00:55,019 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 06:00:55,103 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 06:00:55,112 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;@3a383847, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 06:00:55,113 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 06:00:55,117 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 64 states have (on average 1.453125) internal successors, (93), 65 states have internal predecessors, (93), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 06:00:55,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-10 06:00:55,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:00:55,134 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:00:55,135 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:00:55,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:00:55,140 INFO L85 PathProgramCache]: Analyzing trace with hash -132677820, now seen corresponding path program 1 times [2024-11-10 06:00:55,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:00:55,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756907902] [2024-11-10 06:00:55,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:00:55,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:00:55,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:55,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:00:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:55,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:00:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:55,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:00:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:55,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:00:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:55,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:00:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:55,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:00:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:55,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:00:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:55,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:00:55,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:55,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:00:55,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:55,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:00:55,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:55,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:00:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:55,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:00:55,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:55,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:00:55,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:55,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:00:55,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:55,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:00:55,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:55,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 06:00:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:55,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 06:00:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:55,517 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-10 06:00:55,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:00:55,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756907902] [2024-11-10 06:00:55,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756907902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:00:55,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:00:55,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 06:00:55,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731412733] [2024-11-10 06:00:55,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:00:55,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 06:00:55,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:00:55,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 06:00:55,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 06:00:55,560 INFO L87 Difference]: Start difference. First operand has 84 states, 64 states have (on average 1.453125) internal successors, (93), 65 states have internal predecessors, (93), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-10 06:00:55,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:00:55,603 INFO L93 Difference]: Finished difference Result 160 states and 264 transitions. [2024-11-10 06:00:55,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 06:00:55,606 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 128 [2024-11-10 06:00:55,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:00:55,617 INFO L225 Difference]: With dead ends: 160 [2024-11-10 06:00:55,617 INFO L226 Difference]: Without dead ends: 79 [2024-11-10 06:00:55,621 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 06:00:55,625 INFO L432 NwaCegarLoop]: 116 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, 116 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 [2024-11-10 06:00:55,626 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 06:00:55,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-10 06:00:55,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2024-11-10 06:00:55,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 60 states have (on average 1.4166666666666667) internal successors, (85), 60 states have internal predecessors, (85), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-10 06:00:55,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 119 transitions. [2024-11-10 06:00:55,666 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 119 transitions. Word has length 128 [2024-11-10 06:00:55,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:00:55,666 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 119 transitions. [2024-11-10 06:00:55,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-10 06:00:55,667 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 119 transitions. [2024-11-10 06:00:55,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-10 06:00:55,670 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:00:55,670 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:00:55,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 06:00:55,671 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:00:55,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:00:55,671 INFO L85 PathProgramCache]: Analyzing trace with hash 101191271, now seen corresponding path program 1 times [2024-11-10 06:00:55,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:00:55,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246640859] [2024-11-10 06:00:55,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:00:55,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:00:55,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:56,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:00:56,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:56,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:00:56,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:56,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:00:56,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:56,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:00:56,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:56,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:00:56,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:56,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:00:56,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:56,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:00:56,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:56,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:00:56,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:56,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:00:56,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:56,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:00:56,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:56,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:00:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:56,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:00:56,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:56,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:00:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:56,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:00:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:56,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:00:56,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:56,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 06:00:56,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:56,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 06:00:56,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:56,351 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-10 06:00:56,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:00:56,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246640859] [2024-11-10 06:00:56,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246640859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:00:56,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:00:56,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 06:00:56,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567212749] [2024-11-10 06:00:56,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:00:56,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 06:00:56,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:00:56,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 06:00:56,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:00:56,357 INFO L87 Difference]: Start difference. First operand 79 states and 119 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 06:00:56,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:00:56,435 INFO L93 Difference]: Finished difference Result 211 states and 322 transitions. [2024-11-10 06:00:56,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 06:00:56,436 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 128 [2024-11-10 06:00:56,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:00:56,438 INFO L225 Difference]: With dead ends: 211 [2024-11-10 06:00:56,439 INFO L226 Difference]: Without dead ends: 135 [2024-11-10 06:00:56,440 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:00:56,441 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 49 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 06:00:56,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 207 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 06:00:56,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-10 06:00:56,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 126. [2024-11-10 06:00:56,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 89 states have (on average 1.348314606741573) internal successors, (120), 89 states have internal predecessors, (120), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-10 06:00:56,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 188 transitions. [2024-11-10 06:00:56,474 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 188 transitions. Word has length 128 [2024-11-10 06:00:56,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:00:56,475 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 188 transitions. [2024-11-10 06:00:56,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 06:00:56,476 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 188 transitions. [2024-11-10 06:00:56,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-10 06:00:56,479 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:00:56,479 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:00:56,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 06:00:56,480 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:00:56,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:00:56,481 INFO L85 PathProgramCache]: Analyzing trace with hash 2010170233, now seen corresponding path program 1 times [2024-11-10 06:00:56,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:00:56,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255775264] [2024-11-10 06:00:56,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:00:56,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:00:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:56,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:00:56,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:56,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:00:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:56,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:00:56,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:56,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:00:56,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:56,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:00:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:56,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:00:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:56,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:00:56,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:56,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:00:56,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:56,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:00:56,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:56,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:00:56,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:56,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:00:56,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:56,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:00:56,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:56,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:00:56,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:56,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:00:56,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:56,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:00:56,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:56,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 06:00:56,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:56,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 06:00:56,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:56,905 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-10 06:00:56,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:00:56,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255775264] [2024-11-10 06:00:56,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255775264] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:00:56,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:00:56,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 06:00:56,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401104767] [2024-11-10 06:00:56,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:00:56,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 06:00:56,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:00:56,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 06:00:56,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:00:56,907 INFO L87 Difference]: Start difference. First operand 126 states and 188 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 06:00:56,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:00:56,983 INFO L93 Difference]: Finished difference Result 219 states and 331 transitions. [2024-11-10 06:00:56,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 06:00:56,984 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 129 [2024-11-10 06:00:56,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:00:56,986 INFO L225 Difference]: With dead ends: 219 [2024-11-10 06:00:56,986 INFO L226 Difference]: Without dead ends: 135 [2024-11-10 06:00:56,987 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:00:56,988 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 51 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 06:00:56,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 215 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 06:00:56,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-10 06:00:57,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 126. [2024-11-10 06:00:57,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 89 states have (on average 1.3370786516853932) internal successors, (119), 89 states have internal predecessors, (119), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-10 06:00:57,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 187 transitions. [2024-11-10 06:00:57,014 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 187 transitions. Word has length 129 [2024-11-10 06:00:57,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:00:57,015 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 187 transitions. [2024-11-10 06:00:57,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 06:00:57,015 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 187 transitions. [2024-11-10 06:00:57,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-10 06:00:57,017 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:00:57,017 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:00:57,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 06:00:57,018 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:00:57,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:00:57,018 INFO L85 PathProgramCache]: Analyzing trace with hash 2093832123, now seen corresponding path program 1 times [2024-11-10 06:00:57,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:00:57,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807872371] [2024-11-10 06:00:57,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:00:57,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:00:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:57,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:00:57,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:57,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:00:57,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:57,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:00:57,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:57,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:00:57,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:57,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:00:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:57,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:00:57,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:57,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:00:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:57,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:00:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:57,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:00:57,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:57,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:00:57,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:57,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:00:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:57,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:00:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:57,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:00:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:57,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:00:57,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:57,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:00:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:57,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 06:00:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:57,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 06:00:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:57,281 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-10 06:00:57,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:00:57,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807872371] [2024-11-10 06:00:57,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807872371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:00:57,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:00:57,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 06:00:57,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684168091] [2024-11-10 06:00:57,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:00:57,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 06:00:57,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:00:57,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 06:00:57,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:00:57,291 INFO L87 Difference]: Start difference. First operand 126 states and 187 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 06:00:57,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:00:57,350 INFO L93 Difference]: Finished difference Result 278 states and 419 transitions. [2024-11-10 06:00:57,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 06:00:57,351 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 130 [2024-11-10 06:00:57,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:00:57,354 INFO L225 Difference]: With dead ends: 278 [2024-11-10 06:00:57,356 INFO L226 Difference]: Without dead ends: 202 [2024-11-10 06:00:57,357 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:00:57,360 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 75 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 06:00:57,361 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 214 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 06:00:57,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2024-11-10 06:00:57,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 199. [2024-11-10 06:00:57,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 144 states have (on average 1.3611111111111112) internal successors, (196), 144 states have internal predecessors, (196), 51 states have call successors, (51), 3 states have call predecessors, (51), 3 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-11-10 06:00:57,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 298 transitions. [2024-11-10 06:00:57,397 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 298 transitions. Word has length 130 [2024-11-10 06:00:57,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:00:57,397 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 298 transitions. [2024-11-10 06:00:57,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 06:00:57,399 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 298 transitions. [2024-11-10 06:00:57,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-10 06:00:57,403 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:00:57,403 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:00:57,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 06:00:57,404 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:00:57,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:00:57,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1956668322, now seen corresponding path program 1 times [2024-11-10 06:00:57,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:00:57,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671575273] [2024-11-10 06:00:57,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:00:57,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:00:57,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:57,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:00:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:57,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:00:57,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:57,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:00:57,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:57,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:00:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:57,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:00:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:57,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:00:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:57,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:00:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:57,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:00:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:57,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:00:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:57,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:00:57,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:57,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:00:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:57,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:00:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:57,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:00:57,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:57,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:00:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:57,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:00:57,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:57,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 06:00:57,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:57,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 06:00:57,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:57,969 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-10 06:00:57,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:00:57,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671575273] [2024-11-10 06:00:57,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671575273] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:00:57,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:00:57,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 06:00:57,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439096185] [2024-11-10 06:00:57,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:00:57,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 06:00:57,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:00:57,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 06:00:57,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 06:00:57,973 INFO L87 Difference]: Start difference. First operand 199 states and 298 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 06:00:58,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:00:58,164 INFO L93 Difference]: Finished difference Result 454 states and 678 transitions. [2024-11-10 06:00:58,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 06:00:58,165 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 132 [2024-11-10 06:00:58,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:00:58,170 INFO L225 Difference]: With dead ends: 454 [2024-11-10 06:00:58,171 INFO L226 Difference]: Without dead ends: 305 [2024-11-10 06:00:58,171 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 06:00:58,172 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 77 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 06:00:58,173 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 401 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 06:00:58,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-11-10 06:00:58,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 299. [2024-11-10 06:00:58,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 225 states have (on average 1.3466666666666667) internal successors, (303), 227 states have internal predecessors, (303), 67 states have call successors, (67), 6 states have call predecessors, (67), 6 states have return successors, (67), 65 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-10 06:00:58,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 437 transitions. [2024-11-10 06:00:58,226 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 437 transitions. Word has length 132 [2024-11-10 06:00:58,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:00:58,226 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 437 transitions. [2024-11-10 06:00:58,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 06:00:58,227 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 437 transitions. [2024-11-10 06:00:58,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-10 06:00:58,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:00:58,230 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:00:58,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 06:00:58,231 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:00:58,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:00:58,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1028783613, now seen corresponding path program 1 times [2024-11-10 06:00:58,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:00:58,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370580821] [2024-11-10 06:00:58,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:00:58,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:00:58,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:58,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:00:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:58,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:00:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:58,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:00:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:58,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:00:58,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:58,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:00:58,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:58,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:00:58,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:58,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:00:58,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:58,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:00:58,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:58,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:00:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:58,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:00:58,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:58,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:00:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:58,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:00:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:58,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:00:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:58,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:00:58,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:58,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:00:58,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:58,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 06:00:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:58,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 06:00:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:59,000 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-10 06:00:59,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:00:59,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370580821] [2024-11-10 06:00:59,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370580821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:00:59,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:00:59,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 06:00:59,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062184618] [2024-11-10 06:00:59,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:00:59,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 06:00:59,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:00:59,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 06:00:59,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:00:59,004 INFO L87 Difference]: Start difference. First operand 299 states and 437 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 06:00:59,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:00:59,108 INFO L93 Difference]: Finished difference Result 572 states and 842 transitions. [2024-11-10 06:00:59,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 06:00:59,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 133 [2024-11-10 06:00:59,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:00:59,116 INFO L225 Difference]: With dead ends: 572 [2024-11-10 06:00:59,116 INFO L226 Difference]: Without dead ends: 317 [2024-11-10 06:00:59,117 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:00:59,118 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 49 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 06:00:59,118 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 197 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 06:00:59,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-10 06:00:59,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 299. [2024-11-10 06:00:59,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 225 states have (on average 1.3422222222222222) internal successors, (302), 227 states have internal predecessors, (302), 67 states have call successors, (67), 6 states have call predecessors, (67), 6 states have return successors, (67), 65 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-10 06:00:59,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 436 transitions. [2024-11-10 06:00:59,162 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 436 transitions. Word has length 133 [2024-11-10 06:00:59,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:00:59,163 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 436 transitions. [2024-11-10 06:00:59,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 06:00:59,163 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 436 transitions. [2024-11-10 06:00:59,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-10 06:00:59,164 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:00:59,165 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:00:59,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 06:00:59,165 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:00:59,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:00:59,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1151032590, now seen corresponding path program 1 times [2024-11-10 06:00:59,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:00:59,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813672073] [2024-11-10 06:00:59,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:00:59,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:00:59,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:59,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:00:59,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:59,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:00:59,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:59,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:00:59,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:59,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:00:59,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:59,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:00:59,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:59,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:00:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:59,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:00:59,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:59,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:00:59,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:59,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:00:59,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:59,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:00:59,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:59,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:00:59,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:59,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:00:59,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:59,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:00:59,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:59,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:00:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:59,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:00:59,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:59,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 06:00:59,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:59,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 06:00:59,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:00:59,499 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-10 06:00:59,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:00:59,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813672073] [2024-11-10 06:00:59,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813672073] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:00:59,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:00:59,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 06:00:59,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319740721] [2024-11-10 06:00:59,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:00:59,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 06:00:59,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:00:59,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 06:00:59,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 06:00:59,502 INFO L87 Difference]: Start difference. First operand 299 states and 436 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 06:00:59,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:00:59,611 INFO L93 Difference]: Finished difference Result 793 states and 1170 transitions. [2024-11-10 06:00:59,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 06:00:59,612 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 135 [2024-11-10 06:00:59,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:00:59,616 INFO L225 Difference]: With dead ends: 793 [2024-11-10 06:00:59,616 INFO L226 Difference]: Without dead ends: 541 [2024-11-10 06:00:59,617 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 06:00:59,622 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 81 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 06:00:59,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 376 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 06:00:59,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2024-11-10 06:00:59,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 534. [2024-11-10 06:00:59,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 406 states have (on average 1.3596059113300492) internal successors, (552), 410 states have internal predecessors, (552), 117 states have call successors, (117), 10 states have call predecessors, (117), 10 states have return successors, (117), 113 states have call predecessors, (117), 117 states have call successors, (117) [2024-11-10 06:00:59,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 786 transitions. [2024-11-10 06:00:59,694 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 786 transitions. Word has length 135 [2024-11-10 06:00:59,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:00:59,696 INFO L471 AbstractCegarLoop]: Abstraction has 534 states and 786 transitions. [2024-11-10 06:00:59,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 06:00:59,696 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 786 transitions. [2024-11-10 06:00:59,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-10 06:00:59,697 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:00:59,697 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:00:59,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 06:00:59,698 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:00:59,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:00:59,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1844134287, now seen corresponding path program 1 times [2024-11-10 06:00:59,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:00:59,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004046856] [2024-11-10 06:00:59,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:00:59,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:00:59,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:06,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:01:06,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:06,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:01:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:06,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:01:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:06,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:01:06,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:06,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:01:06,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:06,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:01:06,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:06,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:01:06,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:06,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:01:06,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:06,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:01:06,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:06,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:01:06,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:06,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:01:06,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:06,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:01:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:06,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:01:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:06,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:01:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:06,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:01:06,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:06,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 06:01:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:06,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 06:01:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:06,131 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-10 06:01:06,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:01:06,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004046856] [2024-11-10 06:01:06,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004046856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:01:06,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:01:06,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-10 06:01:06,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695834356] [2024-11-10 06:01:06,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:01:06,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 06:01:06,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:01:06,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 06:01:06,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2024-11-10 06:01:06,133 INFO L87 Difference]: Start difference. First operand 534 states and 786 transitions. Second operand has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-10 06:01:07,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:01:07,384 INFO L93 Difference]: Finished difference Result 866 states and 1241 transitions. [2024-11-10 06:01:07,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 06:01:07,384 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) Word has length 135 [2024-11-10 06:01:07,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:01:07,389 INFO L225 Difference]: With dead ends: 866 [2024-11-10 06:01:07,390 INFO L226 Difference]: Without dead ends: 743 [2024-11-10 06:01:07,392 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=184, Invalid=518, Unknown=0, NotChecked=0, Total=702 [2024-11-10 06:01:07,393 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 355 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 06:01:07,394 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 693 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 06:01:07,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2024-11-10 06:01:07,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 557. [2024-11-10 06:01:07,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 429 states have (on average 1.3613053613053614) internal successors, (584), 433 states have internal predecessors, (584), 117 states have call successors, (117), 10 states have call predecessors, (117), 10 states have return successors, (117), 113 states have call predecessors, (117), 117 states have call successors, (117) [2024-11-10 06:01:07,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 818 transitions. [2024-11-10 06:01:07,480 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 818 transitions. Word has length 135 [2024-11-10 06:01:07,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:01:07,480 INFO L471 AbstractCegarLoop]: Abstraction has 557 states and 818 transitions. [2024-11-10 06:01:07,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-10 06:01:07,481 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 818 transitions. [2024-11-10 06:01:07,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-10 06:01:07,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:01:07,483 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:01:07,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 06:01:07,483 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:01:07,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:01:07,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1338575662, now seen corresponding path program 1 times [2024-11-10 06:01:07,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:01:07,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060228803] [2024-11-10 06:01:07,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:01:07,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:01:07,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:07,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:01:07,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:07,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:01:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:07,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:01:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:07,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:01:07,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:07,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:01:07,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:07,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:01:07,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:07,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:01:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:07,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:01:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:07,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:01:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:07,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:01:07,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:07,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:01:07,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:07,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:01:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:07,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:01:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:07,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:01:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:07,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:01:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:07,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 06:01:07,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:07,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 06:01:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:07,732 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-10 06:01:07,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:01:07,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060228803] [2024-11-10 06:01:07,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060228803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:01:07,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:01:07,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 06:01:07,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721153655] [2024-11-10 06:01:07,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:01:07,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 06:01:07,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:01:07,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 06:01:07,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 06:01:07,736 INFO L87 Difference]: Start difference. First operand 557 states and 818 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 06:01:07,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:01:07,902 INFO L93 Difference]: Finished difference Result 1331 states and 1972 transitions. [2024-11-10 06:01:07,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 06:01:07,903 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 135 [2024-11-10 06:01:07,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:01:07,908 INFO L225 Difference]: With dead ends: 1331 [2024-11-10 06:01:07,909 INFO L226 Difference]: Without dead ends: 854 [2024-11-10 06:01:07,911 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 06:01:07,912 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 134 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 06:01:07,912 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 439 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 06:01:07,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2024-11-10 06:01:07,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 569. [2024-11-10 06:01:07,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 441 states have (on average 1.3582766439909297) internal successors, (599), 445 states have internal predecessors, (599), 117 states have call successors, (117), 10 states have call predecessors, (117), 10 states have return successors, (117), 113 states have call predecessors, (117), 117 states have call successors, (117) [2024-11-10 06:01:07,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 833 transitions. [2024-11-10 06:01:07,971 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 833 transitions. Word has length 135 [2024-11-10 06:01:07,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:01:07,972 INFO L471 AbstractCegarLoop]: Abstraction has 569 states and 833 transitions. [2024-11-10 06:01:07,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 06:01:07,973 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 833 transitions. [2024-11-10 06:01:07,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-10 06:01:07,974 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:01:07,974 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:01:07,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 06:01:07,974 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:01:07,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:01:07,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1835010221, now seen corresponding path program 1 times [2024-11-10 06:01:07,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:01:07,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567200361] [2024-11-10 06:01:07,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:01:07,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:01:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:10,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:01:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:10,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:01:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:10,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:01:11,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:11,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:01:11,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:11,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:01:11,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:11,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:01:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:11,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:01:11,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:11,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:01:11,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:11,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:01:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:11,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:01:11,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:11,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:01:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:11,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:01:11,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:11,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:01:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:11,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:01:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:11,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:01:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:11,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 06:01:11,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:11,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 06:01:11,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:11,096 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-10 06:01:11,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:01:11,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567200361] [2024-11-10 06:01:11,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567200361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:01:11,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:01:11,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 06:01:11,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024233074] [2024-11-10 06:01:11,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:01:11,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 06:01:11,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:01:11,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 06:01:11,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-10 06:01:11,099 INFO L87 Difference]: Start difference. First operand 569 states and 833 transitions. Second operand has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-10 06:01:11,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:01:11,863 INFO L93 Difference]: Finished difference Result 955 states and 1383 transitions. [2024-11-10 06:01:11,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 06:01:11,863 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) Word has length 135 [2024-11-10 06:01:11,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:01:11,869 INFO L225 Difference]: With dead ends: 955 [2024-11-10 06:01:11,870 INFO L226 Difference]: Without dead ends: 701 [2024-11-10 06:01:11,871 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2024-11-10 06:01:11,872 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 421 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 686 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 06:01:11,872 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [421 Valid, 686 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 06:01:11,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2024-11-10 06:01:11,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 569. [2024-11-10 06:01:11,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 441 states have (on average 1.3560090702947847) internal successors, (598), 445 states have internal predecessors, (598), 117 states have call successors, (117), 10 states have call predecessors, (117), 10 states have return successors, (117), 113 states have call predecessors, (117), 117 states have call successors, (117) [2024-11-10 06:01:11,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 832 transitions. [2024-11-10 06:01:11,919 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 832 transitions. Word has length 135 [2024-11-10 06:01:11,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:01:11,919 INFO L471 AbstractCegarLoop]: Abstraction has 569 states and 832 transitions. [2024-11-10 06:01:11,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-10 06:01:11,920 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 832 transitions. [2024-11-10 06:01:11,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-10 06:01:11,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:01:11,921 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:01:11,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 06:01:11,922 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:01:11,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:01:11,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1097523312, now seen corresponding path program 1 times [2024-11-10 06:01:11,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:01:11,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585493057] [2024-11-10 06:01:11,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:01:11,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:01:11,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:12,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:01:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:12,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:01:12,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:12,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:01:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:12,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:01:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:12,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:01:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:12,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:01:12,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:12,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:01:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:12,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:01:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:12,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:01:12,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:12,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:01:12,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:12,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:01:12,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:12,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:01:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:12,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:01:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:12,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:01:12,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:12,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:01:12,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:12,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 06:01:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:12,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 06:01:12,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:12,083 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-10 06:01:12,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:01:12,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585493057] [2024-11-10 06:01:12,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585493057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:01:12,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:01:12,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 06:01:12,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785557519] [2024-11-10 06:01:12,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:01:12,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 06:01:12,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:01:12,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 06:01:12,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 06:01:12,086 INFO L87 Difference]: Start difference. First operand 569 states and 832 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 06:01:12,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:01:12,221 INFO L93 Difference]: Finished difference Result 819 states and 1202 transitions. [2024-11-10 06:01:12,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 06:01:12,223 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 135 [2024-11-10 06:01:12,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:01:12,226 INFO L225 Difference]: With dead ends: 819 [2024-11-10 06:01:12,226 INFO L226 Difference]: Without dead ends: 330 [2024-11-10 06:01:12,227 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 06:01:12,228 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 132 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 06:01:12,228 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 173 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 06:01:12,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-11-10 06:01:12,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 322. [2024-11-10 06:01:12,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 248 states have (on average 1.2983870967741935) internal successors, (322), 250 states have internal predecessors, (322), 67 states have call successors, (67), 6 states have call predecessors, (67), 6 states have return successors, (67), 65 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-10 06:01:12,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 456 transitions. [2024-11-10 06:01:12,255 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 456 transitions. Word has length 135 [2024-11-10 06:01:12,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:01:12,256 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 456 transitions. [2024-11-10 06:01:12,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 06:01:12,256 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 456 transitions. [2024-11-10 06:01:12,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-10 06:01:12,258 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:01:12,258 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:01:12,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 06:01:12,258 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:01:12,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:01:12,259 INFO L85 PathProgramCache]: Analyzing trace with hash -674970730, now seen corresponding path program 1 times [2024-11-10 06:01:12,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:01:12,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106177666] [2024-11-10 06:01:12,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:01:12,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:01:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:12,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:01:12,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:12,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:01:12,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:12,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:01:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:12,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:01:12,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:12,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:01:12,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:12,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:01:12,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:12,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:01:12,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:12,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:01:12,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:12,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:01:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:12,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:01:12,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:12,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:01:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:12,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:01:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:12,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:01:12,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:12,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:01:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:12,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:01:12,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:12,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 06:01:12,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:12,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 06:01:12,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:12,476 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-10 06:01:12,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:01:12,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106177666] [2024-11-10 06:01:12,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106177666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:01:12,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:01:12,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 06:01:12,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035141854] [2024-11-10 06:01:12,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:01:12,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 06:01:12,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:01:12,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 06:01:12,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 06:01:12,479 INFO L87 Difference]: Start difference. First operand 322 states and 456 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-10 06:01:12,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:01:12,606 INFO L93 Difference]: Finished difference Result 576 states and 825 transitions. [2024-11-10 06:01:12,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 06:01:12,607 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 135 [2024-11-10 06:01:12,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:01:12,610 INFO L225 Difference]: With dead ends: 576 [2024-11-10 06:01:12,610 INFO L226 Difference]: Without dead ends: 331 [2024-11-10 06:01:12,611 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 06:01:12,611 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 64 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 06:01:12,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 305 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 06:01:12,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-11-10 06:01:12,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 322. [2024-11-10 06:01:12,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 248 states have (on average 1.2943548387096775) internal successors, (321), 250 states have internal predecessors, (321), 67 states have call successors, (67), 6 states have call predecessors, (67), 6 states have return successors, (67), 65 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-10 06:01:12,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 455 transitions. [2024-11-10 06:01:12,639 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 455 transitions. Word has length 135 [2024-11-10 06:01:12,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:01:12,639 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 455 transitions. [2024-11-10 06:01:12,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-10 06:01:12,639 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 455 transitions. [2024-11-10 06:01:12,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-10 06:01:12,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:01:12,642 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:01:12,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 06:01:12,642 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:01:12,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:01:12,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1542787223, now seen corresponding path program 1 times [2024-11-10 06:01:12,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:01:12,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092924654] [2024-11-10 06:01:12,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:01:12,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:01:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:21,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:01:21,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:21,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:01:21,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:21,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:01:21,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:21,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:01:21,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:21,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:01:21,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:21,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:01:21,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:21,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:01:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:21,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:01:21,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:21,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:01:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:21,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:01:21,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:21,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:01:21,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:21,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:01:21,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:21,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:01:21,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:21,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:01:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:21,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:01:21,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:21,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 06:01:21,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:21,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 06:01:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:21,457 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-10 06:01:21,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:01:21,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092924654] [2024-11-10 06:01:21,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092924654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:01:21,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:01:21,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-10 06:01:21,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915079313] [2024-11-10 06:01:21,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:01:21,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-10 06:01:21,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:01:21,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-10 06:01:21,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2024-11-10 06:01:21,461 INFO L87 Difference]: Start difference. First operand 322 states and 455 transitions. Second operand has 19 states, 19 states have (on average 2.789473684210526) internal successors, (53), 19 states have internal predecessors, (53), 5 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 4 states have call predecessors, (17), 5 states have call successors, (17) [2024-11-10 06:01:26,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:01:26,596 INFO L93 Difference]: Finished difference Result 436 states and 597 transitions. [2024-11-10 06:01:26,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-10 06:01:26,598 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.789473684210526) internal successors, (53), 19 states have internal predecessors, (53), 5 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 4 states have call predecessors, (17), 5 states have call successors, (17) Word has length 135 [2024-11-10 06:01:26,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:01:26,601 INFO L225 Difference]: With dead ends: 436 [2024-11-10 06:01:26,602 INFO L226 Difference]: Without dead ends: 433 [2024-11-10 06:01:26,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=510, Invalid=1470, Unknown=0, NotChecked=0, Total=1980 [2024-11-10 06:01:26,604 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 492 mSDsluCounter, 798 mSDsCounter, 0 mSdLazyCounter, 1076 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 882 SdHoareTripleChecker+Invalid, 1224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 1076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-10 06:01:26,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [492 Valid, 882 Invalid, 1224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 1076 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-10 06:01:26,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2024-11-10 06:01:26,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 362. [2024-11-10 06:01:26,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 287 states have (on average 1.3101045296167246) internal successors, (376), 289 states have internal predecessors, (376), 67 states have call successors, (67), 7 states have call predecessors, (67), 7 states have return successors, (67), 65 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-10 06:01:26,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 510 transitions. [2024-11-10 06:01:26,638 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 510 transitions. Word has length 135 [2024-11-10 06:01:26,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:01:26,638 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 510 transitions. [2024-11-10 06:01:26,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.789473684210526) internal successors, (53), 19 states have internal predecessors, (53), 5 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 4 states have call predecessors, (17), 5 states have call successors, (17) [2024-11-10 06:01:26,639 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 510 transitions. [2024-11-10 06:01:26,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-10 06:01:26,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:01:26,641 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:01:26,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 06:01:26,642 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:01:26,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:01:26,642 INFO L85 PathProgramCache]: Analyzing trace with hash 450422584, now seen corresponding path program 1 times [2024-11-10 06:01:26,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:01:26,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875097553] [2024-11-10 06:01:26,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:01:26,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:01:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:32,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:01:32,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:32,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:01:32,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:32,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:01:32,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:32,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:01:32,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:32,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:01:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:32,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:01:32,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:32,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:01:32,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:32,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:01:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:32,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:01:32,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:32,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:01:32,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:32,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:01:32,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:32,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:01:32,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:32,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:01:32,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:32,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:01:32,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:32,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:01:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:32,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 06:01:32,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:32,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 06:01:32,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:32,112 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-10 06:01:32,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:01:32,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875097553] [2024-11-10 06:01:32,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875097553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:01:32,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:01:32,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-10 06:01:32,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978161790] [2024-11-10 06:01:32,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:01:32,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-10 06:01:32,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:01:32,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-10 06:01:32,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2024-11-10 06:01:32,115 INFO L87 Difference]: Start difference. First operand 362 states and 510 transitions. Second operand has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 states have internal predecessors, (53), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-10 06:01:32,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:01:32,877 INFO L93 Difference]: Finished difference Result 644 states and 912 transitions. [2024-11-10 06:01:32,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 06:01:32,878 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 states have internal predecessors, (53), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) Word has length 135 [2024-11-10 06:01:32,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:01:32,880 INFO L225 Difference]: With dead ends: 644 [2024-11-10 06:01:32,880 INFO L226 Difference]: Without dead ends: 377 [2024-11-10 06:01:32,882 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=94, Invalid=368, Unknown=0, NotChecked=0, Total=462 [2024-11-10 06:01:32,883 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 238 mSDsluCounter, 618 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 729 SdHoareTripleChecker+Invalid, 724 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 06:01:32,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 729 Invalid, 724 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 06:01:32,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-11-10 06:01:32,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 355. [2024-11-10 06:01:32,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 280 states have (on average 1.2964285714285715) internal successors, (363), 282 states have internal predecessors, (363), 67 states have call successors, (67), 7 states have call predecessors, (67), 7 states have return successors, (67), 65 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-10 06:01:32,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 497 transitions. [2024-11-10 06:01:32,913 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 497 transitions. Word has length 135 [2024-11-10 06:01:32,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:01:32,914 INFO L471 AbstractCegarLoop]: Abstraction has 355 states and 497 transitions. [2024-11-10 06:01:32,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 states have internal predecessors, (53), 4 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 4 states have call successors, (17) [2024-11-10 06:01:32,914 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 497 transitions. [2024-11-10 06:01:32,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-10 06:01:32,916 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:01:32,916 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:01:32,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 06:01:32,916 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:01:32,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:01:32,917 INFO L85 PathProgramCache]: Analyzing trace with hash -974195794, now seen corresponding path program 1 times [2024-11-10 06:01:32,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:01:32,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511973729] [2024-11-10 06:01:32,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:01:32,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:01:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:37,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:01:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:37,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:01:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:37,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:01:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:37,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:01:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:37,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:01:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:37,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:01:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:37,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:01:37,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:37,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:01:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:37,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:01:37,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:37,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:01:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:37,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:01:37,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:37,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:01:37,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:37,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:01:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:37,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:01:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:37,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:01:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:37,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 06:01:37,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:37,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 06:01:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:37,311 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-10 06:01:37,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:01:37,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511973729] [2024-11-10 06:01:37,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511973729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:01:37,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:01:37,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-10 06:01:37,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292252702] [2024-11-10 06:01:37,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:01:37,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 06:01:37,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:01:37,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 06:01:37,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2024-11-10 06:01:37,314 INFO L87 Difference]: Start difference. First operand 355 states and 497 transitions. Second operand has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 06:01:39,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:01:39,097 INFO L93 Difference]: Finished difference Result 798 states and 1134 transitions. [2024-11-10 06:01:39,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-10 06:01:39,098 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 136 [2024-11-10 06:01:39,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:01:39,102 INFO L225 Difference]: With dead ends: 798 [2024-11-10 06:01:39,102 INFO L226 Difference]: Without dead ends: 543 [2024-11-10 06:01:39,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=337, Invalid=785, Unknown=0, NotChecked=0, Total=1122 [2024-11-10 06:01:39,104 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 360 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 727 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 06:01:39,104 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 681 Invalid, 812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 727 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 06:01:39,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-11-10 06:01:39,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 416. [2024-11-10 06:01:39,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 341 states have (on average 1.348973607038123) internal successors, (460), 343 states have internal predecessors, (460), 67 states have call successors, (67), 7 states have call predecessors, (67), 7 states have return successors, (67), 65 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-10 06:01:39,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 594 transitions. [2024-11-10 06:01:39,152 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 594 transitions. Word has length 136 [2024-11-10 06:01:39,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:01:39,153 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 594 transitions. [2024-11-10 06:01:39,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 06:01:39,154 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 594 transitions. [2024-11-10 06:01:39,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-11-10 06:01:39,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:01:39,158 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:01:39,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 06:01:39,158 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:01:39,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:01:39,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1640492131, now seen corresponding path program 1 times [2024-11-10 06:01:39,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:01:39,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994120084] [2024-11-10 06:01:39,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:01:39,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:01:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:39,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:01:39,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:39,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:01:39,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:39,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:01:39,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:39,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:01:39,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:39,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:01:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:39,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:01:39,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:39,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:01:39,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:39,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:01:39,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:39,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:01:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:39,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:01:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:39,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:01:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:39,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:01:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:39,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:01:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:39,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:01:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:39,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:01:39,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:39,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 06:01:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:39,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 06:01:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:39,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 06:01:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:39,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-10 06:01:39,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:39,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 06:01:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:39,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-10 06:01:39,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:39,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 06:01:39,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:39,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-10 06:01:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:39,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-10 06:01:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:39,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-10 06:01:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:39,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-10 06:01:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:39,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-10 06:01:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:39,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-10 06:01:39,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:39,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-10 06:01:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:39,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-10 06:01:39,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:39,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-10 06:01:39,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:39,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-10 06:01:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:39,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-10 06:01:39,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:39,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-10 06:01:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:39,359 INFO L134 CoverageAnalysis]: Checked inductivity of 2300 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2279 trivial. 0 not checked. [2024-11-10 06:01:39,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:01:39,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994120084] [2024-11-10 06:01:39,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994120084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:01:39,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:01:39,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 06:01:39,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947799460] [2024-11-10 06:01:39,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:01:39,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 06:01:39,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:01:39,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 06:01:39,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:01:39,364 INFO L87 Difference]: Start difference. First operand 416 states and 594 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 06:01:39,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:01:39,434 INFO L93 Difference]: Finished difference Result 738 states and 1065 transitions. [2024-11-10 06:01:39,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 06:01:39,435 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 260 [2024-11-10 06:01:39,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:01:39,438 INFO L225 Difference]: With dead ends: 738 [2024-11-10 06:01:39,439 INFO L226 Difference]: Without dead ends: 416 [2024-11-10 06:01:39,440 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 06:01:39,441 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 78 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 06:01:39,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 204 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 06:01:39,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-11-10 06:01:39,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 416. [2024-11-10 06:01:39,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 341 states have (on average 1.343108504398827) internal successors, (458), 343 states have internal predecessors, (458), 67 states have call successors, (67), 7 states have call predecessors, (67), 7 states have return successors, (67), 65 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-10 06:01:39,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 592 transitions. [2024-11-10 06:01:39,475 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 592 transitions. Word has length 260 [2024-11-10 06:01:39,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:01:39,477 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 592 transitions. [2024-11-10 06:01:39,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-10 06:01:39,477 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 592 transitions. [2024-11-10 06:01:39,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-11-10 06:01:39,479 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:01:39,479 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:01:39,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 06:01:39,479 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:01:39,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:01:39,480 INFO L85 PathProgramCache]: Analyzing trace with hash 2087431146, now seen corresponding path program 1 times [2024-11-10 06:01:39,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:01:39,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137452034] [2024-11-10 06:01:39,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:01:39,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:01:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:40,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:01:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:40,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:01:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:40,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:01:40,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:40,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:01:40,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:40,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:01:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:40,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:01:40,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:40,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:01:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:40,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:01:40,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:40,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:01:40,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:40,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:01:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:40,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:01:40,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:40,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:01:40,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:40,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:01:40,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:40,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:01:40,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:40,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:01:40,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:40,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 06:01:40,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:40,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 06:01:40,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:40,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 06:01:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:40,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-10 06:01:40,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:40,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 06:01:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:40,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-10 06:01:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:40,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 06:01:40,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:40,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-10 06:01:40,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:40,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-10 06:01:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:40,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-10 06:01:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:40,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-10 06:01:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:40,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-10 06:01:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:40,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-10 06:01:40,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:40,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-10 06:01:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:40,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-10 06:01:40,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:40,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-10 06:01:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:40,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-10 06:01:40,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:40,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-10 06:01:40,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:40,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-10 06:01:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:40,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2301 backedges. 22 proven. 35 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-10 06:01:40,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:01:40,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137452034] [2024-11-10 06:01:40,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137452034] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 06:01:40,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624878294] [2024-11-10 06:01:40,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:01:40,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 06:01:40,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 06:01:40,148 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 06:01:40,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 06:01:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:40,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 06:01:40,354 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 06:01:40,544 INFO L134 CoverageAnalysis]: Checked inductivity of 2301 backedges. 1479 proven. 24 refuted. 0 times theorem prover too weak. 798 trivial. 0 not checked. [2024-11-10 06:01:40,546 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 06:01:40,814 INFO L134 CoverageAnalysis]: Checked inductivity of 2301 backedges. 59 proven. 75 refuted. 0 times theorem prover too weak. 2167 trivial. 0 not checked. [2024-11-10 06:01:40,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [624878294] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 06:01:40,815 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 06:01:40,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 15 [2024-11-10 06:01:40,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626502863] [2024-11-10 06:01:40,816 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 06:01:40,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 06:01:40,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:01:40,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 06:01:40,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-11-10 06:01:40,819 INFO L87 Difference]: Start difference. First operand 416 states and 592 transitions. Second operand has 15 states, 15 states have (on average 10.2) internal successors, (153), 15 states have internal predecessors, (153), 8 states have call successors, (93), 3 states have call predecessors, (93), 5 states have return successors, (94), 7 states have call predecessors, (94), 8 states have call successors, (94) [2024-11-10 06:01:41,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:01:41,658 INFO L93 Difference]: Finished difference Result 865 states and 1223 transitions. [2024-11-10 06:01:41,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-10 06:01:41,659 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 10.2) internal successors, (153), 15 states have internal predecessors, (153), 8 states have call successors, (93), 3 states have call predecessors, (93), 5 states have return successors, (94), 7 states have call predecessors, (94), 8 states have call successors, (94) Word has length 261 [2024-11-10 06:01:41,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:01:41,663 INFO L225 Difference]: With dead ends: 865 [2024-11-10 06:01:41,664 INFO L226 Difference]: Without dead ends: 526 [2024-11-10 06:01:41,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 619 GetRequests, 587 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=223, Invalid=833, Unknown=0, NotChecked=0, Total=1056 [2024-11-10 06:01:41,665 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 318 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 796 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 06:01:41,666 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 796 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 732 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 06:01:41,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2024-11-10 06:01:41,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 494. [2024-11-10 06:01:41,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 376 states have (on average 1.2712765957446808) internal successors, (478), 378 states have internal predecessors, (478), 101 states have call successors, (101), 16 states have call predecessors, (101), 16 states have return successors, (101), 99 states have call predecessors, (101), 101 states have call successors, (101) [2024-11-10 06:01:41,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 680 transitions. [2024-11-10 06:01:41,708 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 680 transitions. Word has length 261 [2024-11-10 06:01:41,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:01:41,709 INFO L471 AbstractCegarLoop]: Abstraction has 494 states and 680 transitions. [2024-11-10 06:01:41,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 10.2) internal successors, (153), 15 states have internal predecessors, (153), 8 states have call successors, (93), 3 states have call predecessors, (93), 5 states have return successors, (94), 7 states have call predecessors, (94), 8 states have call successors, (94) [2024-11-10 06:01:41,710 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 680 transitions. [2024-11-10 06:01:41,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-10 06:01:41,712 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:01:41,712 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:01:41,730 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 06:01:41,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-10 06:01:41,917 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:01:41,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:01:41,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1741146327, now seen corresponding path program 1 times [2024-11-10 06:01:41,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:01:41,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465452118] [2024-11-10 06:01:41,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:01:41,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:01:41,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:01:42,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:01:42,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:01:42,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:01:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:01:42,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:01:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:01:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:01:42,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:01:42,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:01:42,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:01:42,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:01:42,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:01:42,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:01:42,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:01:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 06:01:42,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 06:01:42,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-10 06:01:42,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 06:01:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-10 06:01:42,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 06:01:42,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-10 06:01:42,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 06:01:42,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-10 06:01:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 06:01:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 06:01:42,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-10 06:01:42,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-11-10 06:01:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 06:01:42,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-10 06:01:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-10 06:01:42,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-10 06:01:42,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-10 06:01:42,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-10 06:01:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,130 INFO L134 CoverageAnalysis]: Checked inductivity of 2301 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 2250 trivial. 0 not checked. [2024-11-10 06:01:42,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:01:42,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465452118] [2024-11-10 06:01:42,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465452118] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:01:42,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:01:42,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 06:01:42,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701844242] [2024-11-10 06:01:42,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:01:42,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 06:01:42,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:01:42,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 06:01:42,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 06:01:42,133 INFO L87 Difference]: Start difference. First operand 494 states and 680 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-10 06:01:42,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:01:42,381 INFO L93 Difference]: Finished difference Result 1105 states and 1545 transitions. [2024-11-10 06:01:42,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 06:01:42,383 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 263 [2024-11-10 06:01:42,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:01:42,388 INFO L225 Difference]: With dead ends: 1105 [2024-11-10 06:01:42,388 INFO L226 Difference]: Without dead ends: 693 [2024-11-10 06:01:42,390 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 06:01:42,391 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 401 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 06:01:42,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [401 Valid, 421 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 06:01:42,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2024-11-10 06:01:42,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 450. [2024-11-10 06:01:42,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 352 states have (on average 1.2897727272727273) internal successors, (454), 354 states have internal predecessors, (454), 84 states have call successors, (84), 13 states have call predecessors, (84), 13 states have return successors, (84), 82 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-10 06:01:42,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 622 transitions. [2024-11-10 06:01:42,445 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 622 transitions. Word has length 263 [2024-11-10 06:01:42,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:01:42,446 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 622 transitions. [2024-11-10 06:01:42,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-10 06:01:42,447 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 622 transitions. [2024-11-10 06:01:42,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-10 06:01:42,448 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:01:42,449 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:01:42,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 06:01:42,449 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:01:42,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:01:42,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1755136976, now seen corresponding path program 1 times [2024-11-10 06:01:42,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:01:42,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292856859] [2024-11-10 06:01:42,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:01:42,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:01:42,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:01:42,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:01:42,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:01:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:01:42,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:01:42,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:01:42,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:01:42,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:01:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:01:42,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:01:42,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:01:42,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:01:42,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:01:42,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:01:42,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:01:42,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 06:01:42,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 06:01:42,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 06:01:42,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-10 06:01:42,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 06:01:42,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-10 06:01:42,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 06:01:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-10 06:01:42,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-10 06:01:42,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-10 06:01:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-10 06:01:42,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-10 06:01:42,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-10 06:01:42,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-10 06:01:42,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-10 06:01:42,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-10 06:01:42,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:42,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-10 06:01:42,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:43,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-10 06:01:43,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:43,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-10 06:01:43,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:43,009 INFO L134 CoverageAnalysis]: Checked inductivity of 2303 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-10 06:01:43,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:01:43,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292856859] [2024-11-10 06:01:43,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292856859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 06:01:43,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 06:01:43,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 06:01:43,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996026978] [2024-11-10 06:01:43,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 06:01:43,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 06:01:43,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 06:01:43,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 06:01:43,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-10 06:01:43,012 INFO L87 Difference]: Start difference. First operand 450 states and 622 transitions. Second operand has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-10 06:01:43,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 06:01:43,403 INFO L93 Difference]: Finished difference Result 1005 states and 1409 transitions. [2024-11-10 06:01:43,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 06:01:43,404 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 263 [2024-11-10 06:01:43,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 06:01:43,411 INFO L225 Difference]: With dead ends: 1005 [2024-11-10 06:01:43,411 INFO L226 Difference]: Without dead ends: 693 [2024-11-10 06:01:43,413 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-10 06:01:43,414 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 392 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 701 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 06:01:43,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 701 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 06:01:43,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2024-11-10 06:01:43,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 620. [2024-11-10 06:01:43,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 620 states, 466 states have (on average 1.259656652360515) internal successors, (587), 470 states have internal predecessors, (587), 134 states have call successors, (134), 19 states have call predecessors, (134), 19 states have return successors, (134), 130 states have call predecessors, (134), 134 states have call successors, (134) [2024-11-10 06:01:43,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 855 transitions. [2024-11-10 06:01:43,491 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 855 transitions. Word has length 263 [2024-11-10 06:01:43,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 06:01:43,491 INFO L471 AbstractCegarLoop]: Abstraction has 620 states and 855 transitions. [2024-11-10 06:01:43,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-10 06:01:43,493 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 855 transitions. [2024-11-10 06:01:43,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-10 06:01:43,495 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 06:01:43,495 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 06:01:43,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 06:01:43,495 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 06:01:43,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 06:01:43,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1062035279, now seen corresponding path program 1 times [2024-11-10 06:01:43,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 06:01:43,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137580676] [2024-11-10 06:01:43,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:01:43,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 06:01:43,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:44,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 06:01:44,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:44,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 06:01:44,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:44,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 06:01:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:44,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 06:01:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:44,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-10 06:01:44,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:44,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 06:01:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:44,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 06:01:44,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:44,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 06:01:44,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:44,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 06:01:44,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:44,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 06:01:44,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:44,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 06:01:44,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:44,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 06:01:44,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:44,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 06:01:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:44,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 06:01:44,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:44,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 06:01:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:44,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 06:01:44,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:44,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 06:01:44,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:44,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 06:01:44,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:44,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-10 06:01:44,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:44,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 06:01:44,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:44,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-10 06:01:44,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:44,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-10 06:01:44,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:44,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-10 06:01:44,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:44,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-10 06:01:44,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:44,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-10 06:01:44,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:44,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-10 06:01:44,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:44,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-10 06:01:44,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:44,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-10 06:01:44,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:44,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-10 06:01:44,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:44,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-10 06:01:44,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:44,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-10 06:01:44,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:44,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-10 06:01:44,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:45,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-10 06:01:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:45,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-10 06:01:45,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:45,033 INFO L134 CoverageAnalysis]: Checked inductivity of 2303 backedges. 27 proven. 32 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-10 06:01:45,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 06:01:45,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137580676] [2024-11-10 06:01:45,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137580676] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 06:01:45,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718958064] [2024-11-10 06:01:45,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 06:01:45,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 06:01:45,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 06:01:45,037 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 06:01:45,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 06:01:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 06:01:45,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-10 06:01:45,231 INFO L278 TraceCheckSpWp]: Computing forward predicates...