./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-3.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 7ff62df6f9603281bf0e236ab8865fc937b3dc90e8a1704cf1768013825b0923 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 03:02:46,409 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 03:02:46,497 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 03:02:46,501 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 03:02:46,502 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 03:02:46,536 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 03:02:46,537 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 03:02:46,538 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 03:02:46,539 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 03:02:46,539 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 03:02:46,540 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 03:02:46,540 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 03:02:46,541 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 03:02:46,543 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 03:02:46,543 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 03:02:46,544 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 03:02:46,544 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 03:02:46,544 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 03:02:46,545 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 03:02:46,545 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 03:02:46,548 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 03:02:46,549 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 03:02:46,549 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 03:02:46,549 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 03:02:46,550 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 03:02:46,550 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 03:02:46,550 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 03:02:46,551 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 03:02:46,551 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 03:02:46,551 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 03:02:46,551 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 03:02:46,552 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 03:02:46,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 03:02:46,552 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 03:02:46,552 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 03:02:46,553 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 03:02:46,553 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 03:02:46,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 03:02:46,553 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 03:02:46,554 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 03:02:46,554 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 03:02:46,555 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 03:02:46,556 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ff62df6f9603281bf0e236ab8865fc937b3dc90e8a1704cf1768013825b0923 [2024-10-13 03:02:46,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 03:02:46,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 03:02:46,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 03:02:46,862 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 03:02:46,863 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 03:02:46,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i [2024-10-13 03:02:48,410 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 03:02:48,642 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 03:02:48,643 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i [2024-10-13 03:02:48,656 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aba19049/5e9cc586c28f496eaf58eee0c2c7c391/FLAGbed6d3a83 [2024-10-13 03:02:48,990 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aba19049/5e9cc586c28f496eaf58eee0c2c7c391 [2024-10-13 03:02:48,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 03:02:48,994 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 03:02:48,996 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 03:02:48,997 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 03:02:49,004 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 03:02:49,005 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:02:48" (1/1) ... [2024-10-13 03:02:49,008 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3987a33e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:02:49, skipping insertion in model container [2024-10-13 03:02:49,009 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:02:48" (1/1) ... [2024-10-13 03:02:49,047 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 03:02:49,226 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i[918,931] [2024-10-13 03:02:49,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 03:02:49,362 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 03:02:49,376 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i[918,931] [2024-10-13 03:02:49,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 03:02:49,457 INFO L204 MainTranslator]: Completed translation [2024-10-13 03:02:49,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:02:49 WrapperNode [2024-10-13 03:02:49,461 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 03:02:49,462 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 03:02:49,463 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 03:02:49,463 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 03:02:49,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:02:49" (1/1) ... [2024-10-13 03:02:49,485 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:02:49" (1/1) ... [2024-10-13 03:02:49,542 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 274 [2024-10-13 03:02:49,543 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 03:02:49,544 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 03:02:49,544 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 03:02:49,544 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 03:02:49,553 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:02:49" (1/1) ... [2024-10-13 03:02:49,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:02:49" (1/1) ... [2024-10-13 03:02:49,558 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:02:49" (1/1) ... [2024-10-13 03:02:49,600 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 03:02:49,600 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:02:49" (1/1) ... [2024-10-13 03:02:49,601 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:02:49" (1/1) ... [2024-10-13 03:02:49,617 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:02:49" (1/1) ... [2024-10-13 03:02:49,622 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:02:49" (1/1) ... [2024-10-13 03:02:49,625 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:02:49" (1/1) ... [2024-10-13 03:02:49,628 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:02:49" (1/1) ... [2024-10-13 03:02:49,633 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 03:02:49,635 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 03:02:49,635 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 03:02:49,635 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 03:02:49,636 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:02:49" (1/1) ... [2024-10-13 03:02:49,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 03:02:49,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 03:02:49,687 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 03:02:49,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 03:02:49,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 03:02:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 03:02:49,742 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 03:02:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 03:02:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 03:02:49,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 03:02:49,845 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 03:02:49,850 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 03:02:50,505 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-10-13 03:02:50,506 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 03:02:50,551 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 03:02:50,551 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 03:02:50,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:02:50 BoogieIcfgContainer [2024-10-13 03:02:50,552 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 03:02:50,555 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 03:02:50,556 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 03:02:50,559 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 03:02:50,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:02:48" (1/3) ... [2024-10-13 03:02:50,560 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c41b90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:02:50, skipping insertion in model container [2024-10-13 03:02:50,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:02:49" (2/3) ... [2024-10-13 03:02:50,561 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c41b90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:02:50, skipping insertion in model container [2024-10-13 03:02:50,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:02:50" (3/3) ... [2024-10-13 03:02:50,563 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-3.i [2024-10-13 03:02:50,583 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 03:02:50,583 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 03:02:50,663 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 03:02:50,671 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;@1e4df778, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 03:02:50,671 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 03:02:50,679 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 80 states have (on average 1.55) internal successors, (124), 81 states have internal predecessors, (124), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-13 03:02:50,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-10-13 03:02:50,698 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:02:50,699 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:02:50,700 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:02:50,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:02:50,705 INFO L85 PathProgramCache]: Analyzing trace with hash 734953733, now seen corresponding path program 1 times [2024-10-13 03:02:50,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:02:50,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353000497] [2024-10-13 03:02:50,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:02:50,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:02:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:02:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:02:51,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:02:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:02:51,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:02:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:02:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:02:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:02:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:02:51,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:02:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:02:51,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 03:02:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:02:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 03:02:51,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:02:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 03:02:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:02:51,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:02:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:02:51,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:02:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:02:51,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:02:51,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:02:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 03:02:51,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 03:02:51,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:02:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 03:02:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 03:02:51,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 03:02:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 03:02:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:02:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 03:02:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 03:02:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 03:02:51,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,231 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-13 03:02:51,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:02:51,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353000497] [2024-10-13 03:02:51,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353000497] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:02:51,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:02:51,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 03:02:51,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079103496] [2024-10-13 03:02:51,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:02:51,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 03:02:51,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:02:51,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 03:02:51,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 03:02:51,265 INFO L87 Difference]: Start difference. First operand has 117 states, 80 states have (on average 1.55) internal successors, (124), 81 states have internal predecessors, (124), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-10-13 03:02:51,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:02:51,328 INFO L93 Difference]: Finished difference Result 231 states and 416 transitions. [2024-10-13 03:02:51,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 03:02:51,331 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) Word has length 217 [2024-10-13 03:02:51,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:02:51,339 INFO L225 Difference]: With dead ends: 231 [2024-10-13 03:02:51,340 INFO L226 Difference]: Without dead ends: 115 [2024-10-13 03:02:51,345 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 03:02:51,351 INFO L432 NwaCegarLoop]: 183 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, 183 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 03:02:51,352 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 183 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 03:02:51,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-10-13 03:02:51,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-10-13 03:02:51,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 79 states have (on average 1.4936708860759493) internal successors, (118), 79 states have internal predecessors, (118), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-13 03:02:51,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 186 transitions. [2024-10-13 03:02:51,404 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 186 transitions. Word has length 217 [2024-10-13 03:02:51,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:02:51,405 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 186 transitions. [2024-10-13 03:02:51,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-10-13 03:02:51,405 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 186 transitions. [2024-10-13 03:02:51,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-10-13 03:02:51,409 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:02:51,410 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:02:51,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 03:02:51,410 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:02:51,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:02:51,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1869334339, now seen corresponding path program 1 times [2024-10-13 03:02:51,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:02:51,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031272309] [2024-10-13 03:02:51,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:02:51,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:02:51,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:02:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:02:51,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:02:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:02:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:02:51,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:02:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:02:51,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:02:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:02:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:02:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:02:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 03:02:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:02:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 03:02:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:02:51,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 03:02:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:02:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:02:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:02:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:51,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:02:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:02:52,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:02:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:02:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 03:02:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 03:02:52,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:02:52,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 03:02:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 03:02:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 03:02:52,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 03:02:52,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:02:52,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 03:02:52,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 03:02:52,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 03:02:52,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,085 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-13 03:02:52,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:02:52,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031272309] [2024-10-13 03:02:52,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031272309] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:02:52,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:02:52,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 03:02:52,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703337352] [2024-10-13 03:02:52,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:02:52,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 03:02:52,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:02:52,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 03:02:52,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 03:02:52,090 INFO L87 Difference]: Start difference. First operand 115 states and 186 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:02:52,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:02:52,342 INFO L93 Difference]: Finished difference Result 344 states and 558 transitions. [2024-10-13 03:02:52,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 03:02:52,343 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 217 [2024-10-13 03:02:52,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:02:52,347 INFO L225 Difference]: With dead ends: 344 [2024-10-13 03:02:52,347 INFO L226 Difference]: Without dead ends: 230 [2024-10-13 03:02:52,348 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 03:02:52,350 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 126 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 03:02:52,350 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 458 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 03:02:52,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-10-13 03:02:52,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 227. [2024-10-13 03:02:52,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 156 states have (on average 1.4935897435897436) internal successors, (233), 156 states have internal predecessors, (233), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-10-13 03:02:52,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 369 transitions. [2024-10-13 03:02:52,400 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 369 transitions. Word has length 217 [2024-10-13 03:02:52,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:02:52,401 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 369 transitions. [2024-10-13 03:02:52,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:02:52,402 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 369 transitions. [2024-10-13 03:02:52,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-10-13 03:02:52,406 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:02:52,406 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:02:52,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 03:02:52,407 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:02:52,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:02:52,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1948255617, now seen corresponding path program 1 times [2024-10-13 03:02:52,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:02:52,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282706113] [2024-10-13 03:02:52,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:02:52,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:02:52,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:02:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:02:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:02:52,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:02:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:02:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:02:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:02:52,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:02:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:02:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:02:52,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:02:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 03:02:52,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:02:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 03:02:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:02:52,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 03:02:52,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:02:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:02:52,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:02:52,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:02:52,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:02:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:02:52,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:02:52,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 03:02:52,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 03:02:52,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:02:52,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 03:02:52,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 03:02:52,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 03:02:52,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 03:02:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:02:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 03:02:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:52,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 03:02:53,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 03:02:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,013 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-13 03:02:53,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:02:53,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282706113] [2024-10-13 03:02:53,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282706113] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:02:53,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:02:53,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 03:02:53,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610683427] [2024-10-13 03:02:53,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:02:53,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 03:02:53,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:02:53,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 03:02:53,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 03:02:53,016 INFO L87 Difference]: Start difference. First operand 227 states and 369 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:02:53,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:02:53,128 INFO L93 Difference]: Finished difference Result 679 states and 1105 transitions. [2024-10-13 03:02:53,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 03:02:53,129 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 218 [2024-10-13 03:02:53,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:02:53,135 INFO L225 Difference]: With dead ends: 679 [2024-10-13 03:02:53,138 INFO L226 Difference]: Without dead ends: 453 [2024-10-13 03:02:53,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 03:02:53,144 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 107 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 03:02:53,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 334 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 03:02:53,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2024-10-13 03:02:53,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 451. [2024-10-13 03:02:53,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 310 states have (on average 1.4709677419354839) internal successors, (456), 310 states have internal predecessors, (456), 136 states have call successors, (136), 4 states have call predecessors, (136), 4 states have return successors, (136), 136 states have call predecessors, (136), 136 states have call successors, (136) [2024-10-13 03:02:53,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 728 transitions. [2024-10-13 03:02:53,253 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 728 transitions. Word has length 218 [2024-10-13 03:02:53,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:02:53,254 INFO L471 AbstractCegarLoop]: Abstraction has 451 states and 728 transitions. [2024-10-13 03:02:53,255 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:02:53,255 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 728 transitions. [2024-10-13 03:02:53,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-10-13 03:02:53,265 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:02:53,265 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:02:53,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 03:02:53,266 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:02:53,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:02:53,267 INFO L85 PathProgramCache]: Analyzing trace with hash -555788473, now seen corresponding path program 1 times [2024-10-13 03:02:53,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:02:53,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20408079] [2024-10-13 03:02:53,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:02:53,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:02:53,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:02:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:02:53,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:02:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:02:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:02:53,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:02:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:02:53,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:02:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:02:53,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:02:53,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:02:53,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 03:02:53,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:02:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 03:02:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:02:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 03:02:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:02:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:02:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:02:53,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:02:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:02:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:02:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:02:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 03:02:53,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 03:02:53,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:02:53,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 03:02:53,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 03:02:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 03:02:53,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 03:02:53,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:02:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 03:02:53,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 03:02:53,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 03:02:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,516 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-13 03:02:53,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:02:53,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20408079] [2024-10-13 03:02:53,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20408079] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:02:53,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:02:53,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 03:02:53,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741557583] [2024-10-13 03:02:53,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:02:53,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 03:02:53,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:02:53,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 03:02:53,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 03:02:53,521 INFO L87 Difference]: Start difference. First operand 451 states and 728 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:02:53,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:02:53,711 INFO L93 Difference]: Finished difference Result 1323 states and 2144 transitions. [2024-10-13 03:02:53,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 03:02:53,712 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 219 [2024-10-13 03:02:53,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:02:53,721 INFO L225 Difference]: With dead ends: 1323 [2024-10-13 03:02:53,721 INFO L226 Difference]: Without dead ends: 873 [2024-10-13 03:02:53,724 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 [2024-10-13 03:02:53,725 INFO L432 NwaCegarLoop]: 303 mSDtfsCounter, 167 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 03:02:53,725 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 455 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 03:02:53,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 873 states. [2024-10-13 03:02:53,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 873 to 871. [2024-10-13 03:02:53,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 871 states, 590 states have (on average 1.4508474576271186) internal successors, (856), 590 states have internal predecessors, (856), 272 states have call successors, (272), 8 states have call predecessors, (272), 8 states have return successors, (272), 272 states have call predecessors, (272), 272 states have call successors, (272) [2024-10-13 03:02:53,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1400 transitions. [2024-10-13 03:02:53,837 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1400 transitions. Word has length 219 [2024-10-13 03:02:53,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:02:53,839 INFO L471 AbstractCegarLoop]: Abstraction has 871 states and 1400 transitions. [2024-10-13 03:02:53,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:02:53,839 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1400 transitions. [2024-10-13 03:02:53,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-10-13 03:02:53,843 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:02:53,843 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:02:53,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 03:02:53,844 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:02:53,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:02:53,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1420468563, now seen corresponding path program 1 times [2024-10-13 03:02:53,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:02:53,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105602649] [2024-10-13 03:02:53,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:02:53,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:02:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:02:53,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:02:53,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:02:53,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:02:53,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:02:53,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:02:53,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:02:53,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:02:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:02:53,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:02:53,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:02:53,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 03:02:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:02:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 03:02:53,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:02:53,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 03:02:53,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:02:53,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:02:53,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:02:53,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:02:53,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:02:53,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:02:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:02:53,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 03:02:53,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 03:02:53,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:02:53,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 03:02:53,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 03:02:53,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 03:02:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 03:02:53,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:02:53,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 03:02:53,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 03:02:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 03:02:53,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:53,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-13 03:02:53,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:02:54,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105602649] [2024-10-13 03:02:54,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105602649] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:02:54,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:02:54,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 03:02:54,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583855721] [2024-10-13 03:02:54,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:02:54,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 03:02:54,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:02:54,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 03:02:54,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 03:02:54,002 INFO L87 Difference]: Start difference. First operand 871 states and 1400 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:02:54,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:02:54,098 INFO L93 Difference]: Finished difference Result 1959 states and 3128 transitions. [2024-10-13 03:02:54,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 03:02:54,099 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 219 [2024-10-13 03:02:54,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:02:54,107 INFO L225 Difference]: With dead ends: 1959 [2024-10-13 03:02:54,108 INFO L226 Difference]: Without dead ends: 1089 [2024-10-13 03:02:54,111 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 [2024-10-13 03:02:54,112 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 39 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 03:02:54,112 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 382 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 03:02:54,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2024-10-13 03:02:54,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 943. [2024-10-13 03:02:54,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 943 states, 662 states have (on average 1.4501510574018126) internal successors, (960), 662 states have internal predecessors, (960), 272 states have call successors, (272), 8 states have call predecessors, (272), 8 states have return successors, (272), 272 states have call predecessors, (272), 272 states have call successors, (272) [2024-10-13 03:02:54,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 943 states and 1504 transitions. [2024-10-13 03:02:54,210 INFO L78 Accepts]: Start accepts. Automaton has 943 states and 1504 transitions. Word has length 219 [2024-10-13 03:02:54,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:02:54,211 INFO L471 AbstractCegarLoop]: Abstraction has 943 states and 1504 transitions. [2024-10-13 03:02:54,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:02:54,212 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1504 transitions. [2024-10-13 03:02:54,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-10-13 03:02:54,214 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:02:54,214 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:02:54,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 03:02:54,215 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:02:54,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:02:54,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1215797149, now seen corresponding path program 1 times [2024-10-13 03:02:54,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:02:54,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589261854] [2024-10-13 03:02:54,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:02:54,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:02:54,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:54,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:02:54,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:54,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:02:54,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:54,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:02:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:54,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:02:54,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:54,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:02:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:54,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:02:54,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:54,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:02:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:54,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:02:54,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:54,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:02:54,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:54,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:02:54,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:54,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:02:54,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:54,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 03:02:54,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:54,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:02:54,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:54,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 03:02:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:54,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:02:54,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:54,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 03:02:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:54,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:02:54,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:54,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:02:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:54,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:02:54,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:54,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:02:54,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:54,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:02:54,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:54,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:02:54,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:54,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:02:54,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:54,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 03:02:54,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:54,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 03:02:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:54,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:02:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:54,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 03:02:54,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:54,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 03:02:54,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:54,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 03:02:54,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:54,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 03:02:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:54,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:02:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:54,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 03:02:54,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:54,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 03:02:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:54,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 03:02:54,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:54,468 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-13 03:02:54,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:02:54,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589261854] [2024-10-13 03:02:54,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589261854] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:02:54,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:02:54,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 03:02:54,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370920420] [2024-10-13 03:02:54,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:02:54,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 03:02:54,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:02:54,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 03:02:54,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 03:02:54,471 INFO L87 Difference]: Start difference. First operand 943 states and 1504 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:02:54,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:02:54,861 INFO L93 Difference]: Finished difference Result 3445 states and 5515 transitions. [2024-10-13 03:02:54,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 03:02:54,862 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 220 [2024-10-13 03:02:54,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:02:54,879 INFO L225 Difference]: With dead ends: 3445 [2024-10-13 03:02:54,880 INFO L226 Difference]: Without dead ends: 2413 [2024-10-13 03:02:54,885 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 03:02:54,886 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 380 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 03:02:54,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 506 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 03:02:54,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2413 states. [2024-10-13 03:02:55,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2413 to 2409. [2024-10-13 03:02:55,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2409 states, 1708 states have (on average 1.4508196721311475) internal successors, (2478), 1708 states have internal predecessors, (2478), 680 states have call successors, (680), 20 states have call predecessors, (680), 20 states have return successors, (680), 680 states have call predecessors, (680), 680 states have call successors, (680) [2024-10-13 03:02:55,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2409 states to 2409 states and 3838 transitions. [2024-10-13 03:02:55,087 INFO L78 Accepts]: Start accepts. Automaton has 2409 states and 3838 transitions. Word has length 220 [2024-10-13 03:02:55,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:02:55,087 INFO L471 AbstractCegarLoop]: Abstraction has 2409 states and 3838 transitions. [2024-10-13 03:02:55,088 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, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:02:55,088 INFO L276 IsEmpty]: Start isEmpty. Operand 2409 states and 3838 transitions. [2024-10-13 03:02:55,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-10-13 03:02:55,090 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:02:55,091 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:02:55,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 03:02:55,091 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:02:55,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:02:55,092 INFO L85 PathProgramCache]: Analyzing trace with hash 2121134321, now seen corresponding path program 1 times [2024-10-13 03:02:55,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:02:55,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728920364] [2024-10-13 03:02:55,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:02:55,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:02:55,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:55,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:02:55,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:55,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:02:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:55,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:02:55,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:55,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:02:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:55,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:02:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:55,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:02:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:55,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:02:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:55,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:02:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:55,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:02:55,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:55,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:02:55,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:55,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:02:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:55,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 03:02:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:55,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:02:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:55,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 03:02:55,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:55,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:02:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:55,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 03:02:55,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:55,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:02:55,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:55,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:02:55,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:55,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:02:55,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:55,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:02:55,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:55,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:02:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:55,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:02:55,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:55,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:02:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:55,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 03:02:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:55,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 03:02:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:55,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:02:55,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:55,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 03:02:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:55,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 03:02:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:55,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 03:02:55,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:55,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 03:02:55,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:55,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:02:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:55,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 03:02:55,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:55,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 03:02:55,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:55,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 03:02:55,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:55,441 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-13 03:02:55,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:02:55,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728920364] [2024-10-13 03:02:55,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728920364] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:02:55,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:02:55,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 03:02:55,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322794709] [2024-10-13 03:02:55,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:02:55,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 03:02:55,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:02:55,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 03:02:55,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 03:02:55,444 INFO L87 Difference]: Start difference. First operand 2409 states and 3838 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:02:55,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:02:55,775 INFO L93 Difference]: Finished difference Result 5743 states and 9162 transitions. [2024-10-13 03:02:55,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 03:02:55,776 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 220 [2024-10-13 03:02:55,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:02:55,806 INFO L225 Difference]: With dead ends: 5743 [2024-10-13 03:02:55,806 INFO L226 Difference]: Without dead ends: 4275 [2024-10-13 03:02:55,813 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 03:02:55,814 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 128 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 03:02:55,816 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 354 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 03:02:55,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4275 states. [2024-10-13 03:02:56,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4275 to 4273. [2024-10-13 03:02:56,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4273 states, 3012 states have (on average 1.4428950863213812) internal successors, (4346), 3012 states have internal predecessors, (4346), 1224 states have call successors, (1224), 36 states have call predecessors, (1224), 36 states have return successors, (1224), 1224 states have call predecessors, (1224), 1224 states have call successors, (1224) [2024-10-13 03:02:56,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4273 states to 4273 states and 6794 transitions. [2024-10-13 03:02:56,291 INFO L78 Accepts]: Start accepts. Automaton has 4273 states and 6794 transitions. Word has length 220 [2024-10-13 03:02:56,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:02:56,292 INFO L471 AbstractCegarLoop]: Abstraction has 4273 states and 6794 transitions. [2024-10-13 03:02:56,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:02:56,293 INFO L276 IsEmpty]: Start isEmpty. Operand 4273 states and 6794 transitions. [2024-10-13 03:02:56,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-10-13 03:02:56,295 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:02:56,295 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:02:56,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 03:02:56,296 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:02:56,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:02:56,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1522895250, now seen corresponding path program 1 times [2024-10-13 03:02:56,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:02:56,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32207390] [2024-10-13 03:02:56,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:02:56,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:02:56,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:56,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:02:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:56,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:02:56,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:56,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:02:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:56,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:02:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:56,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:02:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:56,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:02:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:56,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:02:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:56,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:02:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:56,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:02:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:56,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:02:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:56,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:02:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:56,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 03:02:56,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:56,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:02:56,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:56,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 03:02:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:56,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:02:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:56,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 03:02:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:56,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:02:56,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:56,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:02:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:56,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:02:56,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:56,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:02:56,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:56,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:02:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:56,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:02:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:56,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:02:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:56,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 03:02:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:56,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 03:02:56,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:56,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:02:56,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:56,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 03:02:56,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:56,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 03:02:56,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:56,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 03:02:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:56,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 03:02:56,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:56,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:02:56,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:56,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 03:02:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:56,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 03:02:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:56,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 03:02:56,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:56,663 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-13 03:02:56,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:02:56,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32207390] [2024-10-13 03:02:56,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32207390] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:02:56,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:02:56,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 03:02:56,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590842137] [2024-10-13 03:02:56,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:02:56,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 03:02:56,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:02:56,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 03:02:56,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 03:02:56,665 INFO L87 Difference]: Start difference. First operand 4273 states and 6794 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:02:57,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:02:57,283 INFO L93 Difference]: Finished difference Result 12817 states and 20380 transitions. [2024-10-13 03:02:57,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 03:02:57,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 221 [2024-10-13 03:02:57,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:02:57,339 INFO L225 Difference]: With dead ends: 12817 [2024-10-13 03:02:57,339 INFO L226 Difference]: Without dead ends: 8545 [2024-10-13 03:02:57,355 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 [2024-10-13 03:02:57,356 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 127 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 03:02:57,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 340 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 03:02:57,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8545 states. [2024-10-13 03:02:58,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8545 to 8507. [2024-10-13 03:02:58,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8507 states, 5986 states have (on average 1.4396926161042432) internal successors, (8618), 5986 states have internal predecessors, (8618), 2448 states have call successors, (2448), 72 states have call predecessors, (2448), 72 states have return successors, (2448), 2448 states have call predecessors, (2448), 2448 states have call successors, (2448) [2024-10-13 03:02:58,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8507 states to 8507 states and 13514 transitions. [2024-10-13 03:02:58,346 INFO L78 Accepts]: Start accepts. Automaton has 8507 states and 13514 transitions. Word has length 221 [2024-10-13 03:02:58,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:02:58,347 INFO L471 AbstractCegarLoop]: Abstraction has 8507 states and 13514 transitions. [2024-10-13 03:02:58,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:02:58,347 INFO L276 IsEmpty]: Start isEmpty. Operand 8507 states and 13514 transitions. [2024-10-13 03:02:58,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2024-10-13 03:02:58,351 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:02:58,352 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:02:58,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 03:02:58,352 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:02:58,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:02:58,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1796696424, now seen corresponding path program 1 times [2024-10-13 03:02:58,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:02:58,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54091933] [2024-10-13 03:02:58,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:02:58,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:02:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:58,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:02:58,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:58,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:02:58,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:58,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:02:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:58,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:02:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:58,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:02:58,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:58,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:02:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:58,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:02:58,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:58,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:02:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:58,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:02:58,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:58,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:02:58,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:58,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:02:58,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:58,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 03:02:58,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:58,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:02:58,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:58,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 03:02:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:58,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:02:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:58,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 03:02:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:58,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:02:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:58,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:02:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:58,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:02:58,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:58,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:02:58,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:58,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:02:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:58,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:02:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:58,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:02:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:58,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 03:02:58,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:58,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 03:02:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:58,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:02:58,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:58,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 03:02:58,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:58,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 03:02:58,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:58,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 03:02:58,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:58,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 03:02:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:58,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:02:58,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:58,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 03:02:58,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:58,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 03:02:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:58,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 03:02:58,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:02:58,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-13 03:02:58,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:02:58,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54091933] [2024-10-13 03:02:58,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54091933] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:02:58,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:02:58,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 03:02:58,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23422813] [2024-10-13 03:02:58,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:02:58,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 03:02:58,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:02:58,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 03:02:58,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 03:02:58,633 INFO L87 Difference]: Start difference. First operand 8507 states and 13514 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:02:59,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:02:59,613 INFO L93 Difference]: Finished difference Result 21363 states and 33992 transitions. [2024-10-13 03:02:59,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 03:02:59,614 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 222 [2024-10-13 03:02:59,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:02:59,720 INFO L225 Difference]: With dead ends: 21363 [2024-10-13 03:02:59,721 INFO L226 Difference]: Without dead ends: 12857 [2024-10-13 03:02:59,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 03:02:59,755 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 121 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 03:02:59,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 357 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 03:02:59,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12857 states. [2024-10-13 03:03:00,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12857 to 12855. [2024-10-13 03:03:00,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12855 states, 9074 states have (on average 1.4324443464844612) internal successors, (12998), 9074 states have internal predecessors, (12998), 3672 states have call successors, (3672), 108 states have call predecessors, (3672), 108 states have return successors, (3672), 3672 states have call predecessors, (3672), 3672 states have call successors, (3672) [2024-10-13 03:03:00,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12855 states to 12855 states and 20342 transitions. [2024-10-13 03:03:00,888 INFO L78 Accepts]: Start accepts. Automaton has 12855 states and 20342 transitions. Word has length 222 [2024-10-13 03:03:00,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:03:00,889 INFO L471 AbstractCegarLoop]: Abstraction has 12855 states and 20342 transitions. [2024-10-13 03:03:00,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:03:00,890 INFO L276 IsEmpty]: Start isEmpty. Operand 12855 states and 20342 transitions. [2024-10-13 03:03:00,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-10-13 03:03:00,893 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:03:00,893 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:03:00,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 03:03:00,894 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:03:00,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:03:00,894 INFO L85 PathProgramCache]: Analyzing trace with hash 526780161, now seen corresponding path program 1 times [2024-10-13 03:03:00,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:03:00,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264722777] [2024-10-13 03:03:00,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:03:00,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:03:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:01,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:03:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:01,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:03:01,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:01,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:03:01,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:01,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:03:01,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:01,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:03:01,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:01,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:03:01,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:01,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:03:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:01,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:03:01,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:01,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:03:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:01,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:03:01,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:01,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:03:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:01,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 03:03:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:01,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:03:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:01,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 03:03:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:01,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:03:01,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:01,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 03:03:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:01,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:03:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:01,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:03:01,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:01,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:03:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:01,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:03:01,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:01,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:03:01,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:01,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:03:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:01,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:03:01,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:01,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 03:03:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:01,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 03:03:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:01,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:03:01,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:01,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 03:03:01,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:01,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 03:03:01,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:01,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 03:03:01,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:01,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 03:03:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:01,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:03:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:01,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 03:03:01,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:01,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 03:03:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:01,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 03:03:01,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:01,147 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-13 03:03:01,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:03:01,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264722777] [2024-10-13 03:03:01,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264722777] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:03:01,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:03:01,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 03:03:01,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673866733] [2024-10-13 03:03:01,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:03:01,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 03:03:01,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:03:01,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 03:03:01,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 03:03:01,150 INFO L87 Difference]: Start difference. First operand 12855 states and 20342 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:03:02,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:03:02,328 INFO L93 Difference]: Finished difference Result 25765 states and 40792 transitions. [2024-10-13 03:03:02,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 03:03:02,329 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 223 [2024-10-13 03:03:02,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:03:02,404 INFO L225 Difference]: With dead ends: 25765 [2024-10-13 03:03:02,404 INFO L226 Difference]: Without dead ends: 12911 [2024-10-13 03:03:02,455 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 03:03:02,455 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 121 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 03:03:02,456 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 459 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 03:03:02,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12911 states. [2024-10-13 03:03:03,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12911 to 12855. [2024-10-13 03:03:03,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12855 states, 9074 states have (on average 1.428036147233855) internal successors, (12958), 9074 states have internal predecessors, (12958), 3672 states have call successors, (3672), 108 states have call predecessors, (3672), 108 states have return successors, (3672), 3672 states have call predecessors, (3672), 3672 states have call successors, (3672) [2024-10-13 03:03:03,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12855 states to 12855 states and 20302 transitions. [2024-10-13 03:03:03,481 INFO L78 Accepts]: Start accepts. Automaton has 12855 states and 20302 transitions. Word has length 223 [2024-10-13 03:03:03,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:03:03,482 INFO L471 AbstractCegarLoop]: Abstraction has 12855 states and 20302 transitions. [2024-10-13 03:03:03,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:03:03,482 INFO L276 IsEmpty]: Start isEmpty. Operand 12855 states and 20302 transitions. [2024-10-13 03:03:03,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-10-13 03:03:03,485 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:03:03,486 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:03:03,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 03:03:03,486 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:03:03,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:03:03,487 INFO L85 PathProgramCache]: Analyzing trace with hash 419488117, now seen corresponding path program 1 times [2024-10-13 03:03:03,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:03:03,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445940753] [2024-10-13 03:03:03,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:03:03,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:03:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:03,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:03:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:03,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:03:03,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:03,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:03:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:03,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:03:03,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:03,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:03:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:03,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:03:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:03,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:03:03,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:03,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:03:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:03,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:03:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:03,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:03:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:03,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:03:03,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:03,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 03:03:03,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:03,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:03:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:03,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 03:03:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:03,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:03:03,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:03,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 03:03:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:03,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:03:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:03,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:03:03,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:03,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:03:03,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:03,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:03:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:03,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:03:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:03,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:03:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:03,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:03:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:03,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 03:03:03,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:03,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 03:03:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:03,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:03:03,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:03,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 03:03:03,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:03,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 03:03:03,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:03,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 03:03:03,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:03,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 03:03:03,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:03,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:03:03,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:03,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 03:03:03,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:03,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 03:03:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:03,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 03:03:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:03,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-13 03:03:03,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:03:03,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445940753] [2024-10-13 03:03:03,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445940753] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:03:03,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:03:03,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 03:03:03,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127069504] [2024-10-13 03:03:03,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:03:03,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 03:03:03,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:03:03,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 03:03:03,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 03:03:03,919 INFO L87 Difference]: Start difference. First operand 12855 states and 20302 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:03:06,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:03:06,661 INFO L93 Difference]: Finished difference Result 41655 states and 65917 transitions. [2024-10-13 03:03:06,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 03:03:06,662 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 224 [2024-10-13 03:03:06,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:03:06,796 INFO L225 Difference]: With dead ends: 41655 [2024-10-13 03:03:06,796 INFO L226 Difference]: Without dead ends: 28801 [2024-10-13 03:03:06,840 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-10-13 03:03:06,841 INFO L432 NwaCegarLoop]: 264 mSDtfsCounter, 521 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 684 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 03:03:06,841 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [521 Valid, 684 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 03:03:06,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28801 states. [2024-10-13 03:03:08,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28801 to 16583. [2024-10-13 03:03:08,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16583 states, 12016 states have (on average 1.4450732356857523) internal successors, (17364), 12074 states have internal predecessors, (17364), 4414 states have call successors, (4414), 152 states have call predecessors, (4414), 152 states have return successors, (4414), 4356 states have call predecessors, (4414), 4414 states have call successors, (4414) [2024-10-13 03:03:08,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16583 states to 16583 states and 26192 transitions. [2024-10-13 03:03:08,391 INFO L78 Accepts]: Start accepts. Automaton has 16583 states and 26192 transitions. Word has length 224 [2024-10-13 03:03:08,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:03:08,392 INFO L471 AbstractCegarLoop]: Abstraction has 16583 states and 26192 transitions. [2024-10-13 03:03:08,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:03:08,392 INFO L276 IsEmpty]: Start isEmpty. Operand 16583 states and 26192 transitions. [2024-10-13 03:03:08,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-10-13 03:03:08,395 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:03:08,395 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:03:08,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 03:03:08,396 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:03:08,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:03:08,396 INFO L85 PathProgramCache]: Analyzing trace with hash 285474611, now seen corresponding path program 1 times [2024-10-13 03:03:08,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:03:08,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172064198] [2024-10-13 03:03:08,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:03:08,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:03:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:08,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:03:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:08,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:03:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:08,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:03:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:08,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:03:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:08,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:03:08,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:08,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:03:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:08,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:03:08,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:08,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:03:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:08,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:03:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:08,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:03:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:08,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:03:08,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:08,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 03:03:08,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:08,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:03:08,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:08,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 03:03:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:08,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:03:08,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:08,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 03:03:08,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:08,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:03:08,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:08,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:03:08,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:08,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:03:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:08,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:03:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:08,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:03:08,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:08,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:03:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:08,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:03:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:08,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 03:03:08,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:08,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 03:03:08,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:08,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:03:08,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:08,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 03:03:08,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:08,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 03:03:08,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:08,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 03:03:08,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:08,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 03:03:08,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:08,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:03:08,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:08,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 03:03:08,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:08,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 03:03:08,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:08,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 03:03:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:08,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-13 03:03:08,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:03:08,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172064198] [2024-10-13 03:03:08,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172064198] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:03:08,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:03:08,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 03:03:08,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784312838] [2024-10-13 03:03:08,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:03:08,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 03:03:08,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:03:08,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 03:03:08,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 03:03:08,680 INFO L87 Difference]: Start difference. First operand 16583 states and 26192 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:03:09,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:03:09,853 INFO L93 Difference]: Finished difference Result 33065 states and 52283 transitions. [2024-10-13 03:03:09,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 03:03:09,854 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 224 [2024-10-13 03:03:09,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:03:09,964 INFO L225 Difference]: With dead ends: 33065 [2024-10-13 03:03:09,965 INFO L226 Difference]: Without dead ends: 16483 [2024-10-13 03:03:10,014 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 03:03:10,015 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 0 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 03:03:10,015 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 532 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 03:03:10,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16483 states. [2024-10-13 03:03:11,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16483 to 16483. [2024-10-13 03:03:11,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16483 states, 11916 states have (on average 1.43202416918429) internal successors, (17064), 11974 states have internal predecessors, (17064), 4414 states have call successors, (4414), 152 states have call predecessors, (4414), 152 states have return successors, (4414), 4356 states have call predecessors, (4414), 4414 states have call successors, (4414) [2024-10-13 03:03:11,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16483 states to 16483 states and 25892 transitions. [2024-10-13 03:03:11,638 INFO L78 Accepts]: Start accepts. Automaton has 16483 states and 25892 transitions. Word has length 224 [2024-10-13 03:03:11,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:03:11,639 INFO L471 AbstractCegarLoop]: Abstraction has 16483 states and 25892 transitions. [2024-10-13 03:03:11,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:03:11,639 INFO L276 IsEmpty]: Start isEmpty. Operand 16483 states and 25892 transitions. [2024-10-13 03:03:11,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-10-13 03:03:11,642 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:03:11,642 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:03:11,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-13 03:03:11,642 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:03:11,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:03:11,643 INFO L85 PathProgramCache]: Analyzing trace with hash -137227215, now seen corresponding path program 1 times [2024-10-13 03:03:11,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:03:11,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042020435] [2024-10-13 03:03:11,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:03:11,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:03:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:11,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:03:11,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:11,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:03:11,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:11,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:03:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:11,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:03:11,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:11,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:03:11,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:11,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:03:11,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:11,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:03:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:11,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:03:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:11,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:03:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:11,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:03:11,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:11,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:03:11,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:11,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 03:03:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:11,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:03:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:11,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 03:03:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:11,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:03:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:11,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 03:03:11,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:11,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:03:11,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:11,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:03:11,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:11,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:03:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:11,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:03:11,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:11,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:03:11,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:12,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:03:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:12,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:03:12,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:12,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 03:03:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:12,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 03:03:12,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:12,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:03:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:12,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 03:03:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:12,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 03:03:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:12,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 03:03:12,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:12,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 03:03:12,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:12,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:03:12,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:12,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 03:03:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:12,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 03:03:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:12,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 03:03:12,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:12,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-13 03:03:12,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:03:12,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042020435] [2024-10-13 03:03:12,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042020435] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:03:12,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:03:12,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 03:03:12,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299879696] [2024-10-13 03:03:12,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:03:12,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 03:03:12,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:03:12,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 03:03:12,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 03:03:12,116 INFO L87 Difference]: Start difference. First operand 16483 states and 25892 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:03:13,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:03:13,954 INFO L93 Difference]: Finished difference Result 38277 states and 60084 transitions. [2024-10-13 03:03:13,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 03:03:13,955 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 224 [2024-10-13 03:03:13,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:03:14,163 INFO L225 Difference]: With dead ends: 38277 [2024-10-13 03:03:14,163 INFO L226 Difference]: Without dead ends: 21795 [2024-10-13 03:03:14,220 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 [2024-10-13 03:03:14,221 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 123 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 03:03:14,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 343 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 03:03:14,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21795 states. [2024-10-13 03:03:16,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21795 to 21745. [2024-10-13 03:03:16,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21745 states, 15696 states have (on average 1.429026503567788) internal successors, (22430), 15780 states have internal predecessors, (22430), 5844 states have call successors, (5844), 204 states have call predecessors, (5844), 204 states have return successors, (5844), 5760 states have call predecessors, (5844), 5844 states have call successors, (5844) [2024-10-13 03:03:16,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21745 states to 21745 states and 34118 transitions. [2024-10-13 03:03:16,214 INFO L78 Accepts]: Start accepts. Automaton has 21745 states and 34118 transitions. Word has length 224 [2024-10-13 03:03:16,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:03:16,215 INFO L471 AbstractCegarLoop]: Abstraction has 21745 states and 34118 transitions. [2024-10-13 03:03:16,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:03:16,215 INFO L276 IsEmpty]: Start isEmpty. Operand 21745 states and 34118 transitions. [2024-10-13 03:03:16,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2024-10-13 03:03:16,218 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:03:16,219 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:03:16,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-13 03:03:16,219 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:03:16,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:03:16,220 INFO L85 PathProgramCache]: Analyzing trace with hash -771158364, now seen corresponding path program 1 times [2024-10-13 03:03:16,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:03:16,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986255038] [2024-10-13 03:03:16,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:03:16,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:03:16,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:03:16,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:03:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:03:16,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:03:16,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:03:16,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:03:16,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:03:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:03:16,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:03:16,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:03:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:03:16,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 03:03:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:03:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 03:03:16,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:03:16,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 03:03:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:03:16,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:03:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:03:16,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:03:16,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:03:16,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:03:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:03:16,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 03:03:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 03:03:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:03:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 03:03:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 03:03:16,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 03:03:16,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 03:03:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:03:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 03:03:16,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 03:03:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 03:03:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 63 proven. 36 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2024-10-13 03:03:16,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:03:16,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986255038] [2024-10-13 03:03:16,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986255038] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 03:03:16,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [65055187] [2024-10-13 03:03:16,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:03:16,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 03:03:16,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 03:03:16,581 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 03:03:16,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 03:03:16,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:16,753 INFO L255 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 03:03:16,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 03:03:17,023 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1083 proven. 36 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2024-10-13 03:03:17,023 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 03:03:17,375 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 63 proven. 36 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2024-10-13 03:03:17,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [65055187] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 03:03:17,376 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 03:03:17,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-10-13 03:03:17,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129586013] [2024-10-13 03:03:17,376 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 03:03:17,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 03:03:17,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:03:17,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 03:03:17,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-13 03:03:17,380 INFO L87 Difference]: Start difference. First operand 21745 states and 34118 transitions. Second operand has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 3 states have call successors, (58), 2 states have call predecessors, (58), 4 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2024-10-13 03:03:19,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:03:19,769 INFO L93 Difference]: Finished difference Result 41389 states and 63909 transitions. [2024-10-13 03:03:19,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 03:03:19,770 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 3 states have call successors, (58), 2 states have call predecessors, (58), 4 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) Word has length 225 [2024-10-13 03:03:19,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:03:19,916 INFO L225 Difference]: With dead ends: 41389 [2024-10-13 03:03:19,916 INFO L226 Difference]: Without dead ends: 19645 [2024-10-13 03:03:19,994 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 527 GetRequests, 513 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=147, Unknown=0, NotChecked=0, Total=240 [2024-10-13 03:03:19,995 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 775 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 257 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 817 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 257 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 03:03:19,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [817 Valid, 437 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [257 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 03:03:20,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19645 states. [2024-10-13 03:03:21,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19645 to 17159. [2024-10-13 03:03:21,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17159 states, 12334 states have (on average 1.4027079617317983) internal successors, (17301), 12354 states have internal predecessors, (17301), 4500 states have call successors, (4500), 324 states have call predecessors, (4500), 324 states have return successors, (4500), 4480 states have call predecessors, (4500), 4500 states have call successors, (4500) [2024-10-13 03:03:21,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17159 states to 17159 states and 26301 transitions. [2024-10-13 03:03:21,466 INFO L78 Accepts]: Start accepts. Automaton has 17159 states and 26301 transitions. Word has length 225 [2024-10-13 03:03:21,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:03:21,466 INFO L471 AbstractCegarLoop]: Abstraction has 17159 states and 26301 transitions. [2024-10-13 03:03:21,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 3 states have call successors, (58), 2 states have call predecessors, (58), 4 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2024-10-13 03:03:21,467 INFO L276 IsEmpty]: Start isEmpty. Operand 17159 states and 26301 transitions. [2024-10-13 03:03:21,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-10-13 03:03:21,469 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:03:21,470 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:03:21,490 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 03:03:21,674 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,SelfDestructingSolverStorable13 [2024-10-13 03:03:21,675 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:03:21,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:03:21,676 INFO L85 PathProgramCache]: Analyzing trace with hash 168658089, now seen corresponding path program 1 times [2024-10-13 03:03:21,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:03:21,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158894042] [2024-10-13 03:03:21,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:03:21,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:03:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:22,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:03:22,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:22,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:03:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:22,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:03:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:22,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:03:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:22,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:03:22,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:22,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:03:22,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:22,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:03:22,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:22,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:03:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:22,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:03:22,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:22,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:03:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:22,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:03:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:22,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 03:03:22,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:22,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:03:22,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:22,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 03:03:22,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:22,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:03:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:22,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 03:03:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:22,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:03:22,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:22,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:03:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:22,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:03:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:22,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:03:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:22,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:03:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:22,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:03:22,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:22,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:03:22,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:22,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 03:03:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:22,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 03:03:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:22,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:03:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:22,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 03:03:22,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:22,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 03:03:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:22,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 03:03:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:22,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 03:03:22,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:22,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:03:22,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:22,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 03:03:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:22,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 03:03:22,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:22,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 03:03:22,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:22,362 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-13 03:03:22,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:03:22,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158894042] [2024-10-13 03:03:22,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158894042] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:03:22,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:03:22,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 03:03:22,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472604244] [2024-10-13 03:03:22,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:03:22,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 03:03:22,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:03:22,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 03:03:22,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 03:03:22,366 INFO L87 Difference]: Start difference. First operand 17159 states and 26301 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:03:24,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:03:24,319 INFO L93 Difference]: Finished difference Result 35403 states and 54280 transitions. [2024-10-13 03:03:24,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 03:03:24,319 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 226 [2024-10-13 03:03:24,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:03:24,438 INFO L225 Difference]: With dead ends: 35403 [2024-10-13 03:03:24,438 INFO L226 Difference]: Without dead ends: 18245 [2024-10-13 03:03:24,497 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-10-13 03:03:24,498 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 310 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 03:03:24,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 551 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 03:03:24,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18245 states. [2024-10-13 03:03:25,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18245 to 18131. [2024-10-13 03:03:25,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18131 states, 12910 states have (on average 1.392563903950426) internal successors, (17978), 12948 states have internal predecessors, (17978), 4878 states have call successors, (4878), 342 states have call predecessors, (4878), 342 states have return successors, (4878), 4840 states have call predecessors, (4878), 4878 states have call successors, (4878) [2024-10-13 03:03:26,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18131 states to 18131 states and 27734 transitions. [2024-10-13 03:03:26,078 INFO L78 Accepts]: Start accepts. Automaton has 18131 states and 27734 transitions. Word has length 226 [2024-10-13 03:03:26,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:03:26,079 INFO L471 AbstractCegarLoop]: Abstraction has 18131 states and 27734 transitions. [2024-10-13 03:03:26,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:03:26,079 INFO L276 IsEmpty]: Start isEmpty. Operand 18131 states and 27734 transitions. [2024-10-13 03:03:26,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-10-13 03:03:26,083 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:03:26,083 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:03:26,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-13 03:03:26,083 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:03:26,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:03:26,084 INFO L85 PathProgramCache]: Analyzing trace with hash 87648624, now seen corresponding path program 1 times [2024-10-13 03:03:26,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:03:26,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898096862] [2024-10-13 03:03:26,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:03:26,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:03:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:26,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:03:26,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:26,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:03:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:26,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:03:26,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:26,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:03:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:26,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:03:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:26,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:03:26,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:26,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:03:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:26,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:03:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:26,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:03:26,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:26,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:03:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:26,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:03:26,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:26,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 03:03:26,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:26,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:03:26,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:26,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 03:03:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:26,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:03:26,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:26,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 03:03:26,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:26,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:03:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:26,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:03:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:26,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:03:26,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:26,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:03:26,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:26,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:03:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:26,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:03:26,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:26,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:03:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:26,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 03:03:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:26,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 03:03:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:26,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:03:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:26,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 03:03:26,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:26,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 03:03:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:26,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 03:03:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:26,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 03:03:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:26,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:03:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:26,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 03:03:26,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:26,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 03:03:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:26,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 03:03:26,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:26,771 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-13 03:03:26,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:03:26,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898096862] [2024-10-13 03:03:26,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898096862] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:03:26,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:03:26,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 03:03:26,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481171972] [2024-10-13 03:03:26,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:03:26,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 03:03:26,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:03:26,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 03:03:26,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 03:03:26,774 INFO L87 Difference]: Start difference. First operand 18131 states and 27734 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:03:30,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:03:30,501 INFO L93 Difference]: Finished difference Result 54717 states and 83619 transitions. [2024-10-13 03:03:30,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 03:03:30,502 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 227 [2024-10-13 03:03:30,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:03:30,671 INFO L225 Difference]: With dead ends: 54717 [2024-10-13 03:03:30,672 INFO L226 Difference]: Without dead ends: 36587 [2024-10-13 03:03:30,734 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-13 03:03:30,735 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 603 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 603 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-13 03:03:30,736 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [603 Valid, 541 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-13 03:03:30,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36587 states. [2024-10-13 03:03:33,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36587 to 27768. [2024-10-13 03:03:33,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27768 states, 19949 states have (on average 1.3940047120156398) internal successors, (27809), 20029 states have internal predecessors, (27809), 7324 states have call successors, (7324), 494 states have call predecessors, (7324), 494 states have return successors, (7324), 7244 states have call predecessors, (7324), 7324 states have call successors, (7324) [2024-10-13 03:03:33,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27768 states to 27768 states and 42457 transitions. [2024-10-13 03:03:33,528 INFO L78 Accepts]: Start accepts. Automaton has 27768 states and 42457 transitions. Word has length 227 [2024-10-13 03:03:33,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:03:33,528 INFO L471 AbstractCegarLoop]: Abstraction has 27768 states and 42457 transitions. [2024-10-13 03:03:33,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:03:33,529 INFO L276 IsEmpty]: Start isEmpty. Operand 27768 states and 42457 transitions. [2024-10-13 03:03:33,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-10-13 03:03:33,537 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:03:33,538 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:03:33,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-13 03:03:33,538 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:03:33,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:03:33,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1400782901, now seen corresponding path program 1 times [2024-10-13 03:03:33,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:03:33,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012587142] [2024-10-13 03:03:33,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:03:33,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:03:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:33,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:03:33,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:33,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:03:33,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:33,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:03:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:33,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:03:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:34,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:03:34,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:34,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:03:34,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:34,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:03:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:34,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:03:34,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:34,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:03:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:34,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:03:34,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:34,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:03:34,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:34,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 03:03:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:34,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:03:34,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:34,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 03:03:34,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:34,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:03:34,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:34,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 03:03:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:34,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:03:34,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:34,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:03:34,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:34,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:03:34,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:34,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:03:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:34,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:03:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:34,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:03:34,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:34,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:03:34,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:34,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 03:03:34,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:34,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 03:03:34,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:34,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:03:34,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:34,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 03:03:34,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:34,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 03:03:34,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:34,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 03:03:34,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:34,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 03:03:34,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:34,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:03:34,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:34,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 03:03:34,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:34,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 03:03:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:34,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 03:03:34,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:34,145 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-10-13 03:03:34,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:03:34,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012587142] [2024-10-13 03:03:34,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012587142] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:03:34,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:03:34,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 03:03:34,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981417955] [2024-10-13 03:03:34,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:03:34,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 03:03:34,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:03:34,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 03:03:34,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 03:03:34,148 INFO L87 Difference]: Start difference. First operand 27768 states and 42457 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:03:36,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:03:36,332 INFO L93 Difference]: Finished difference Result 55579 states and 84998 transitions. [2024-10-13 03:03:36,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 03:03:36,333 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 227 [2024-10-13 03:03:36,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:03:36,482 INFO L225 Difference]: With dead ends: 55579 [2024-10-13 03:03:36,483 INFO L226 Difference]: Without dead ends: 27812 [2024-10-13 03:03:36,562 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 03:03:36,562 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 109 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 03:03:36,563 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 457 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 03:03:36,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27812 states. [2024-10-13 03:03:39,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27812 to 27787. [2024-10-13 03:03:39,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27787 states, 19968 states have (on average 1.3936298076923077) internal successors, (27828), 20048 states have internal predecessors, (27828), 7324 states have call successors, (7324), 494 states have call predecessors, (7324), 494 states have return successors, (7324), 7244 states have call predecessors, (7324), 7324 states have call successors, (7324) [2024-10-13 03:03:39,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27787 states to 27787 states and 42476 transitions. [2024-10-13 03:03:39,442 INFO L78 Accepts]: Start accepts. Automaton has 27787 states and 42476 transitions. Word has length 227 [2024-10-13 03:03:39,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:03:39,443 INFO L471 AbstractCegarLoop]: Abstraction has 27787 states and 42476 transitions. [2024-10-13 03:03:39,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-10-13 03:03:39,443 INFO L276 IsEmpty]: Start isEmpty. Operand 27787 states and 42476 transitions. [2024-10-13 03:03:39,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-10-13 03:03:39,446 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:03:39,447 INFO L215 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:03:39,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-13 03:03:39,447 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:03:39,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:03:39,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1823484727, now seen corresponding path program 1 times [2024-10-13 03:03:39,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:03:39,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043828558] [2024-10-13 03:03:39,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:03:39,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:03:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:40,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:03:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:40,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:03:40,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:40,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:03:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:40,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:03:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:40,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:03:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:40,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:03:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:40,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:03:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:40,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:03:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:40,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:03:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:40,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:03:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:40,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:03:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:40,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 03:03:40,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:40,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:03:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:40,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 03:03:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:40,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:03:40,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:40,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 03:03:40,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:40,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:03:40,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:40,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:03:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:40,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 03:03:40,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:40,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:03:40,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:40,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:03:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:40,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:03:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:40,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 03:03:40,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:40,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 03:03:40,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:40,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 03:03:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:40,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:03:40,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:40,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 03:03:40,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:40,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-13 03:03:40,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:40,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 03:03:40,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:40,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-13 03:03:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:40,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:03:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:40,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 03:03:40,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:40,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-13 03:03:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:40,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-13 03:03:40,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:40,433 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 42 proven. 57 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2024-10-13 03:03:40,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:03:40,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043828558] [2024-10-13 03:03:40,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043828558] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 03:03:40,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137516318] [2024-10-13 03:03:40,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:03:40,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 03:03:40,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 03:03:40,436 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 03:03:40,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 03:03:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:03:40,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-13 03:03:40,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 03:03:42,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 1222 proven. 249 refuted. 0 times theorem prover too weak. 773 trivial. 0 not checked. [2024-10-13 03:03:42,514 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 03:03:44,260 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 111 proven. 267 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2024-10-13 03:03:44,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137516318] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 03:03:44,260 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 03:03:44,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 16, 15] total 34 [2024-10-13 03:03:44,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337637831] [2024-10-13 03:03:44,261 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 03:03:44,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-10-13 03:03:44,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:03:44,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-10-13 03:03:44,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=849, Unknown=0, NotChecked=0, Total=1122 [2024-10-13 03:03:44,263 INFO L87 Difference]: Start difference. First operand 27787 states and 42476 transitions. Second operand has 34 states, 33 states have (on average 5.606060606060606) internal successors, (185), 32 states have internal predecessors, (185), 11 states have call successors, (89), 6 states have call predecessors, (89), 13 states have return successors, (90), 10 states have call predecessors, (90), 11 states have call successors, (90) [2024-10-13 03:03:48,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:03:48,705 INFO L93 Difference]: Finished difference Result 46675 states and 68373 transitions. [2024-10-13 03:03:48,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-10-13 03:03:48,705 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 5.606060606060606) internal successors, (185), 32 states have internal predecessors, (185), 11 states have call successors, (89), 6 states have call predecessors, (89), 13 states have return successors, (90), 10 states have call predecessors, (90), 11 states have call successors, (90) Word has length 227 [2024-10-13 03:03:48,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:03:48,834 INFO L225 Difference]: With dead ends: 46675 [2024-10-13 03:03:48,834 INFO L226 Difference]: Without dead ends: 24454 [2024-10-13 03:03:48,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 557 GetRequests, 498 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 931 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1037, Invalid=2623, Unknown=0, NotChecked=0, Total=3660 [2024-10-13 03:03:48,906 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 1098 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 797 mSolverCounterSat, 255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1098 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 1052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 255 IncrementalHoareTripleChecker+Valid, 797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 03:03:48,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1098 Valid, 639 Invalid, 1052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [255 Valid, 797 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 03:03:48,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24454 states.