./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_loopvsstraightlinecode_100-1loop_file-20.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_loopvsstraightlinecode_100-1loop_file-20.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 d7483f4c602f1d80c3d31837b57d86164e65df5e6fa201344a2b0a8f22740044 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 03:44:18,446 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 03:44:18,515 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 03:44:18,519 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 03:44:18,519 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 03:44:18,548 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 03:44:18,549 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 03:44:18,549 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 03:44:18,550 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 03:44:18,550 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 03:44:18,550 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 03:44:18,551 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 03:44:18,551 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 03:44:18,552 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 03:44:18,552 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 03:44:18,552 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 03:44:18,553 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 03:44:18,553 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 03:44:18,553 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 03:44:18,554 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 03:44:18,554 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 03:44:18,555 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 03:44:18,555 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 03:44:18,555 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 03:44:18,556 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 03:44:18,556 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 03:44:18,556 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 03:44:18,557 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 03:44:18,557 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 03:44:18,557 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 03:44:18,557 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 03:44:18,558 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 03:44:18,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 03:44:18,558 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 03:44:18,559 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 03:44:18,559 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 03:44:18,559 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 03:44:18,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 03:44:18,559 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 03:44:18,560 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 03:44:18,560 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 03:44:18,561 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 03:44:18,561 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7483f4c602f1d80c3d31837b57d86164e65df5e6fa201344a2b0a8f22740044 [2024-10-13 03:44:18,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 03:44:18,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 03:44:18,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 03:44:18,877 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 03:44:18,878 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 03:44:18,879 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-20.i [2024-10-13 03:44:20,505 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 03:44:20,753 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 03:44:20,757 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-20.i [2024-10-13 03:44:20,770 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2513ae8cf/00269ba3a45d41afada20163ac6bf224/FLAG4bcab53f3 [2024-10-13 03:44:20,790 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2513ae8cf/00269ba3a45d41afada20163ac6bf224 [2024-10-13 03:44:20,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 03:44:20,795 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 03:44:20,797 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 03:44:20,798 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 03:44:20,804 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 03:44:20,804 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:44:20" (1/1) ... [2024-10-13 03:44:20,807 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71b76dd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:44:20, skipping insertion in model container [2024-10-13 03:44:20,808 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:44:20" (1/1) ... [2024-10-13 03:44:20,844 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 03:44:21,070 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_loopvsstraightlinecode_100-1loop_file-20.i[916,929] [2024-10-13 03:44:21,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 03:44:21,182 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 03:44:21,203 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_loopvsstraightlinecode_100-1loop_file-20.i[916,929] [2024-10-13 03:44:21,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 03:44:21,297 INFO L204 MainTranslator]: Completed translation [2024-10-13 03:44:21,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:44:21 WrapperNode [2024-10-13 03:44:21,298 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 03:44:21,300 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 03:44:21,300 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 03:44:21,301 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 03:44:21,309 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:44:21" (1/1) ... [2024-10-13 03:44:21,332 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:44:21" (1/1) ... [2024-10-13 03:44:21,383 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 266 [2024-10-13 03:44:21,384 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 03:44:21,384 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 03:44:21,385 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 03:44:21,385 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 03:44:21,399 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:44:21" (1/1) ... [2024-10-13 03:44:21,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:44:21" (1/1) ... [2024-10-13 03:44:21,405 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:44:21" (1/1) ... [2024-10-13 03:44:21,446 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 03:44:21,446 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:44:21" (1/1) ... [2024-10-13 03:44:21,449 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:44:21" (1/1) ... [2024-10-13 03:44:21,471 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:44:21" (1/1) ... [2024-10-13 03:44:21,479 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:44:21" (1/1) ... [2024-10-13 03:44:21,483 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:44:21" (1/1) ... [2024-10-13 03:44:21,491 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:44:21" (1/1) ... [2024-10-13 03:44:21,500 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 03:44:21,502 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 03:44:21,502 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 03:44:21,502 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 03:44:21,503 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:44:21" (1/1) ... [2024-10-13 03:44:21,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 03:44:21,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 03:44:21,543 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 03:44:21,546 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 03:44:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 03:44:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 03:44:21,598 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 03:44:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 03:44:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 03:44:21,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 03:44:21,714 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 03:44:21,717 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 03:44:22,299 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-10-13 03:44:22,300 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 03:44:22,341 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 03:44:22,341 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 03:44:22,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:44:22 BoogieIcfgContainer [2024-10-13 03:44:22,342 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 03:44:22,344 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 03:44:22,344 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 03:44:22,349 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 03:44:22,349 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:44:20" (1/3) ... [2024-10-13 03:44:22,351 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28b90ec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:44:22, skipping insertion in model container [2024-10-13 03:44:22,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:44:21" (2/3) ... [2024-10-13 03:44:22,352 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28b90ec8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:44:22, skipping insertion in model container [2024-10-13 03:44:22,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:44:22" (3/3) ... [2024-10-13 03:44:22,354 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-20.i [2024-10-13 03:44:22,371 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 03:44:22,371 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 03:44:22,436 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 03:44:22,443 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;@5abb50a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 03:44:22,444 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 03:44:22,449 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 76 states have (on average 1.4736842105263157) internal successors, (112), 77 states have internal predecessors, (112), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-13 03:44:22,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-10-13 03:44:22,470 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:44:22,471 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:44:22,473 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:44:22,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:44:22,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1659550983, now seen corresponding path program 1 times [2024-10-13 03:44:22,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:44:22,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911837680] [2024-10-13 03:44:22,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:44:22,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:44:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:23,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:44:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:23,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:44:23,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:23,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:44:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:23,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:44:23,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:23,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:44:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:23,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:44:23,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:23,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:44:23,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:23,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:44:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:23,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:44:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:23,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:44:23,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:23,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:44:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:23,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:44:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:23,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:44:23,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:23,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 03:44:23,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:23,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 03:44:23,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:23,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 03:44:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:23,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 03:44:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:23,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 03:44:23,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:23,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:44:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:23,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 03:44:23,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:23,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 03:44:23,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:23,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 03:44:23,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:23,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 03:44:23,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:23,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 03:44:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:23,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 03:44:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:23,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 03:44:23,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:23,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 03:44:23,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:23,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 03:44:23,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:23,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 03:44:23,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:23,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 03:44:23,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:23,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:44:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:23,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 03:44:23,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:44:23,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911837680] [2024-10-13 03:44:23,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911837680] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:44:23,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:44:23,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 03:44:23,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253450713] [2024-10-13 03:44:23,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:44:23,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 03:44:23,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:44:23,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 03:44:23,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 03:44:23,800 INFO L87 Difference]: Start difference. First operand has 110 states, 76 states have (on average 1.4736842105263157) internal successors, (112), 77 states have internal predecessors, (112), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 03:44:24,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:44:24,234 INFO L93 Difference]: Finished difference Result 363 states and 637 transitions. [2024-10-13 03:44:24,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 03:44:24,237 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 200 [2024-10-13 03:44:24,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:44:24,248 INFO L225 Difference]: With dead ends: 363 [2024-10-13 03:44:24,248 INFO L226 Difference]: Without dead ends: 248 [2024-10-13 03:44:24,254 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-13 03:44:24,257 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 170 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 713 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 03:44:24,258 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 713 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 03:44:24,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-10-13 03:44:24,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 238. [2024-10-13 03:44:24,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 173 states have (on average 1.416184971098266) internal successors, (245), 173 states have internal predecessors, (245), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-13 03:44:24,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 369 transitions. [2024-10-13 03:44:24,354 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 369 transitions. Word has length 200 [2024-10-13 03:44:24,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:44:24,355 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 369 transitions. [2024-10-13 03:44:24,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 03:44:24,356 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 369 transitions. [2024-10-13 03:44:24,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-10-13 03:44:24,360 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:44:24,361 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:44:24,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 03:44:24,361 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:44:24,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:44:24,362 INFO L85 PathProgramCache]: Analyzing trace with hash -267863396, now seen corresponding path program 1 times [2024-10-13 03:44:24,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:44:24,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772485052] [2024-10-13 03:44:24,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:44:24,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:44:24,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:24,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:44:24,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:24,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:44:24,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:24,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:44:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:24,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:44:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:24,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:44:24,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:24,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:44:24,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:25,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:44:25,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:25,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:44:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:25,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:44:25,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:25,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:44:25,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:25,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:44:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:25,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:44:25,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:25,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:44:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:25,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 03:44:25,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:25,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 03:44:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:25,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 03:44:25,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:25,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 03:44:25,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:25,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 03:44:25,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:25,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:44:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:25,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 03:44:25,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:25,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 03:44:25,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:25,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 03:44:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:25,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 03:44:25,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:25,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 03:44:25,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:25,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 03:44:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:25,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 03:44:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:25,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 03:44:25,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:25,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 03:44:25,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:25,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 03:44:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:25,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 03:44:25,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:25,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:44:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:25,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 03:44:25,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:44:25,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772485052] [2024-10-13 03:44:25,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772485052] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:44:25,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:44:25,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 03:44:25,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927871909] [2024-10-13 03:44:25,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:44:25,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 03:44:25,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:44:25,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 03:44:25,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 03:44:25,112 INFO L87 Difference]: Start difference. First operand 238 states and 369 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 03:44:25,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:44:25,519 INFO L93 Difference]: Finished difference Result 695 states and 1076 transitions. [2024-10-13 03:44:25,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 03:44:25,521 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 201 [2024-10-13 03:44:25,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:44:25,531 INFO L225 Difference]: With dead ends: 695 [2024-10-13 03:44:25,533 INFO L226 Difference]: Without dead ends: 458 [2024-10-13 03:44:25,535 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 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 03:44:25,536 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 141 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 03:44:25,537 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 555 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 03:44:25,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2024-10-13 03:44:25,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 313. [2024-10-13 03:44:25,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 248 states have (on average 1.4596774193548387) internal successors, (362), 248 states have internal predecessors, (362), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-13 03:44:25,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 486 transitions. [2024-10-13 03:44:25,585 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 486 transitions. Word has length 201 [2024-10-13 03:44:25,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:44:25,586 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 486 transitions. [2024-10-13 03:44:25,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 03:44:25,586 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 486 transitions. [2024-10-13 03:44:25,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-13 03:44:25,589 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:44:25,589 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:44:25,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 03:44:25,590 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:44:25,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:44:25,591 INFO L85 PathProgramCache]: Analyzing trace with hash 2021392112, now seen corresponding path program 1 times [2024-10-13 03:44:25,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:44:25,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124753028] [2024-10-13 03:44:25,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:44:25,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:44:25,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:28,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:44:28,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:28,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:44:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:28,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:44:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:28,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:44:28,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:28,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:44:28,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:28,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:44:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:28,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:44:28,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:28,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:44:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:28,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:44:28,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:28,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:44:28,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:28,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:44:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:28,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:44:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:28,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:44:28,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:28,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 03:44:28,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:28,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 03:44:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:28,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 03:44:28,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:28,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 03:44:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:28,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 03:44:28,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:28,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:44:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:28,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 03:44:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:28,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 03:44:28,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:28,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 03:44:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:28,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 03:44:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:28,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 03:44:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:28,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 03:44:28,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:28,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 03:44:28,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:28,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 03:44:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:28,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 03:44:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:28,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 03:44:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:28,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 03:44:28,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:28,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:44:28,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:28,446 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 03:44:28,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:44:28,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124753028] [2024-10-13 03:44:28,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124753028] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:44:28,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:44:28,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 03:44:28,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903337408] [2024-10-13 03:44:28,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:44:28,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 03:44:28,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:44:28,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 03:44:28,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-13 03:44:28,452 INFO L87 Difference]: Start difference. First operand 313 states and 486 transitions. Second operand has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 03:44:29,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:44:29,399 INFO L93 Difference]: Finished difference Result 894 states and 1379 transitions. [2024-10-13 03:44:29,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 03:44:29,400 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 202 [2024-10-13 03:44:29,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:44:29,407 INFO L225 Difference]: With dead ends: 894 [2024-10-13 03:44:29,407 INFO L226 Difference]: Without dead ends: 582 [2024-10-13 03:44:29,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2024-10-13 03:44:29,411 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 425 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-13 03:44:29,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [425 Valid, 403 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-13 03:44:29,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2024-10-13 03:44:29,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 429. [2024-10-13 03:44:29,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 429 states, 364 states have (on average 1.4917582417582418) internal successors, (543), 364 states have internal predecessors, (543), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-13 03:44:29,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 667 transitions. [2024-10-13 03:44:29,447 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 667 transitions. Word has length 202 [2024-10-13 03:44:29,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:44:29,448 INFO L471 AbstractCegarLoop]: Abstraction has 429 states and 667 transitions. [2024-10-13 03:44:29,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 03:44:29,449 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 667 transitions. [2024-10-13 03:44:29,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-13 03:44:29,451 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:44:29,451 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:44:29,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 03:44:29,452 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:44:29,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:44:29,453 INFO L85 PathProgramCache]: Analyzing trace with hash 27247406, now seen corresponding path program 1 times [2024-10-13 03:44:29,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:44:29,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113352774] [2024-10-13 03:44:29,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:44:29,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:44:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:32,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:44:32,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:32,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:44:32,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:32,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:44:32,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:32,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:44:32,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:32,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:44:32,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:32,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:44:32,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:32,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:44:32,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:32,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:44:32,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:32,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:44:32,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:32,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:44:32,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:32,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:44:32,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:32,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:44:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:32,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:44:32,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:32,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 03:44:32,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:32,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 03:44:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:32,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 03:44:32,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:32,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 03:44:32,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:32,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 03:44:32,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:32,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:44:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:32,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 03:44:32,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:32,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 03:44:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:32,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 03:44:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:32,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 03:44:32,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:32,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 03:44:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:32,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 03:44:32,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:32,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 03:44:32,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:32,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 03:44:32,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:32,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 03:44:32,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:32,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 03:44:32,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:32,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 03:44:32,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:32,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:44:32,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:32,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 03:44:32,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:44:32,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113352774] [2024-10-13 03:44:32,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113352774] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:44:32,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:44:32,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 03:44:32,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31924765] [2024-10-13 03:44:32,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:44:32,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 03:44:32,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:44:32,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 03:44:32,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-13 03:44:32,087 INFO L87 Difference]: Start difference. First operand 429 states and 667 transitions. Second operand has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 03:44:33,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:44:33,938 INFO L93 Difference]: Finished difference Result 1096 states and 1666 transitions. [2024-10-13 03:44:33,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 03:44:33,939 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 202 [2024-10-13 03:44:33,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:44:33,944 INFO L225 Difference]: With dead ends: 1096 [2024-10-13 03:44:33,944 INFO L226 Difference]: Without dead ends: 668 [2024-10-13 03:44:33,946 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-10-13 03:44:33,949 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 341 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 805 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-13 03:44:33,951 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [341 Valid, 805 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-13 03:44:33,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2024-10-13 03:44:33,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 439. [2024-10-13 03:44:33,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 374 states have (on average 1.4919786096256684) internal successors, (558), 374 states have internal predecessors, (558), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-13 03:44:33,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 682 transitions. [2024-10-13 03:44:33,991 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 682 transitions. Word has length 202 [2024-10-13 03:44:33,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:44:33,994 INFO L471 AbstractCegarLoop]: Abstraction has 439 states and 682 transitions. [2024-10-13 03:44:33,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 03:44:33,994 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 682 transitions. [2024-10-13 03:44:33,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-13 03:44:33,997 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:44:33,997 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:44:33,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 03:44:33,998 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:44:33,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:44:33,999 INFO L85 PathProgramCache]: Analyzing trace with hash -983869844, now seen corresponding path program 1 times [2024-10-13 03:44:33,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:44:33,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587794921] [2024-10-13 03:44:33,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:44:34,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:44:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:35,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:44:35,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:35,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:44:35,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:35,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:44:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:35,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:44:35,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:35,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:44:35,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:35,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:44:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:35,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:44:35,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:35,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:44:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:35,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:44:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:35,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:44:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:35,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:44:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:35,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:44:35,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:35,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:44:35,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:35,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 03:44:35,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:35,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 03:44:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:35,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 03:44:35,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:35,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 03:44:35,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:35,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 03:44:35,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:35,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:44:35,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:35,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 03:44:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:35,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 03:44:35,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:35,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 03:44:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:35,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 03:44:35,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:35,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 03:44:35,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:35,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 03:44:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:35,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 03:44:35,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:35,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 03:44:35,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:35,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 03:44:35,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:35,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 03:44:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:35,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 03:44:35,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:35,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:44:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:35,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 03:44:35,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:44:35,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587794921] [2024-10-13 03:44:35,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587794921] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:44:35,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:44:35,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 03:44:35,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767880675] [2024-10-13 03:44:35,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:44:35,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 03:44:35,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:44:35,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 03:44:35,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-13 03:44:35,504 INFO L87 Difference]: Start difference. First operand 439 states and 682 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 03:44:37,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:44:37,647 INFO L93 Difference]: Finished difference Result 1149 states and 1751 transitions. [2024-10-13 03:44:37,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 03:44:37,648 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 202 [2024-10-13 03:44:37,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:44:37,653 INFO L225 Difference]: With dead ends: 1149 [2024-10-13 03:44:37,653 INFO L226 Difference]: Without dead ends: 711 [2024-10-13 03:44:37,655 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2024-10-13 03:44:37,658 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 246 mSDsluCounter, 901 mSDsCounter, 0 mSdLazyCounter, 846 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 1067 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-13 03:44:37,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 1067 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 846 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-13 03:44:37,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2024-10-13 03:44:37,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 412. [2024-10-13 03:44:37,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 347 states have (on average 1.484149855907781) internal successors, (515), 347 states have internal predecessors, (515), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-13 03:44:37,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 639 transitions. [2024-10-13 03:44:37,695 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 639 transitions. Word has length 202 [2024-10-13 03:44:37,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:44:37,696 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 639 transitions. [2024-10-13 03:44:37,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 03:44:37,696 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 639 transitions. [2024-10-13 03:44:37,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-10-13 03:44:37,698 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:44:37,699 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:44:37,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 03:44:37,699 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:44:37,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:44:37,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1152927460, now seen corresponding path program 1 times [2024-10-13 03:44:37,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:44:37,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896459246] [2024-10-13 03:44:37,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:44:37,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:44:37,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:37,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:44:37,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:37,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:44:37,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:37,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:44:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:37,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:44:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:37,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:44:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:37,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:44:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:37,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:44:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:37,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:44:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:37,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:44:37,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:37,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:44:37,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:37,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:44:37,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:37,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:44:37,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:37,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:44:37,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:37,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 03:44:37,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:37,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 03:44:37,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:37,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 03:44:37,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:37,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 03:44:37,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:37,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 03:44:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:37,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:44:37,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:37,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 03:44:37,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:37,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 03:44:37,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:37,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 03:44:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:37,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 03:44:37,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:37,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 03:44:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:37,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 03:44:37,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:37,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 03:44:37,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:37,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 03:44:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:37,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 03:44:37,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:37,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 03:44:37,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:37,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 03:44:37,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:37,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:44:37,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:37,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 03:44:37,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:44:37,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896459246] [2024-10-13 03:44:37,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896459246] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:44:37,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:44:37,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 03:44:37,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150590651] [2024-10-13 03:44:37,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:44:37,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 03:44:37,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:44:37,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 03:44:37,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 03:44:37,903 INFO L87 Difference]: Start difference. First operand 412 states and 639 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 03:44:38,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:44:38,016 INFO L93 Difference]: Finished difference Result 1085 states and 1683 transitions. [2024-10-13 03:44:38,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 03:44:38,016 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 202 [2024-10-13 03:44:38,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:44:38,023 INFO L225 Difference]: With dead ends: 1085 [2024-10-13 03:44:38,024 INFO L226 Difference]: Without dead ends: 674 [2024-10-13 03:44:38,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 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 03:44:38,026 INFO L432 NwaCegarLoop]: 300 mSDtfsCounter, 145 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 03:44:38,029 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 436 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 03:44:38,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2024-10-13 03:44:38,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 531. [2024-10-13 03:44:38,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 466 states have (on average 1.5) internal successors, (699), 466 states have internal predecessors, (699), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-13 03:44:38,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 823 transitions. [2024-10-13 03:44:38,073 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 823 transitions. Word has length 202 [2024-10-13 03:44:38,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:44:38,075 INFO L471 AbstractCegarLoop]: Abstraction has 531 states and 823 transitions. [2024-10-13 03:44:38,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 03:44:38,076 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 823 transitions. [2024-10-13 03:44:38,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-10-13 03:44:38,078 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:44:38,078 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:44:38,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 03:44:38,079 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:44:38,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:44:38,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1160998727, now seen corresponding path program 1 times [2024-10-13 03:44:38,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:44:38,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589791348] [2024-10-13 03:44:38,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:44:38,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:44:38,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:38,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:44:38,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:38,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:44:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:38,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:44:38,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:38,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:44:38,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:38,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:44:38,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:38,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:44:38,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:38,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:44:38,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:38,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:44:38,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:38,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:44:38,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:38,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:44:38,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:38,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:44:38,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:38,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:44:38,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:38,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:44:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:38,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 03:44:38,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:38,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 03:44:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:38,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 03:44:38,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:38,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 03:44:38,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:38,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 03:44:38,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:38,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:44:38,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:38,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 03:44:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:38,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 03:44:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:38,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 03:44:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:38,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 03:44:38,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:38,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 03:44:38,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:38,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 03:44:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:38,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 03:44:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:38,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 03:44:38,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:38,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 03:44:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:38,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 03:44:38,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:38,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 03:44:38,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:38,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:44:38,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:38,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 03:44:38,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:44:38,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589791348] [2024-10-13 03:44:38,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589791348] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:44:38,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:44:38,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 03:44:38,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667751604] [2024-10-13 03:44:38,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:44:38,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 03:44:38,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:44:38,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 03:44:38,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 03:44:38,379 INFO L87 Difference]: Start difference. First operand 531 states and 823 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 03:44:39,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:44:39,003 INFO L93 Difference]: Finished difference Result 1329 states and 2060 transitions. [2024-10-13 03:44:39,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 03:44:39,004 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 203 [2024-10-13 03:44:39,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:44:39,009 INFO L225 Difference]: With dead ends: 1329 [2024-10-13 03:44:39,009 INFO L226 Difference]: Without dead ends: 799 [2024-10-13 03:44:39,011 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 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 03:44:39,012 INFO L432 NwaCegarLoop]: 296 mSDtfsCounter, 150 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 03:44:39,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 625 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 03:44:39,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2024-10-13 03:44:39,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 559. [2024-10-13 03:44:39,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 559 states, 494 states have (on average 1.4939271255060729) internal successors, (738), 494 states have internal predecessors, (738), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-13 03:44:39,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 862 transitions. [2024-10-13 03:44:39,053 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 862 transitions. Word has length 203 [2024-10-13 03:44:39,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:44:39,055 INFO L471 AbstractCegarLoop]: Abstraction has 559 states and 862 transitions. [2024-10-13 03:44:39,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 03:44:39,056 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 862 transitions. [2024-10-13 03:44:39,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-10-13 03:44:39,059 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:44:39,059 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:44:39,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 03:44:39,060 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:44:39,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:44:39,060 INFO L85 PathProgramCache]: Analyzing trace with hash 52219541, now seen corresponding path program 1 times [2024-10-13 03:44:39,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:44:39,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839392299] [2024-10-13 03:44:39,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:44:39,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:44:39,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:39,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:44:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:39,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:44:39,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:39,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:44:39,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:39,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:44:39,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:39,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:44:39,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:39,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:44:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:39,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:44:39,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:39,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:44:39,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:39,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:44:39,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:39,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:44:39,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:39,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:44:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:39,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:44:39,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:39,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:44:39,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:39,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 03:44:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:39,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 03:44:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:39,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 03:44:39,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:39,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 03:44:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:39,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 03:44:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:39,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:44:39,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:39,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 03:44:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:39,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 03:44:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:39,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 03:44:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:39,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 03:44:39,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:39,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 03:44:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:39,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 03:44:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:39,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 03:44:39,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:39,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 03:44:39,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:39,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 03:44:39,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:39,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 03:44:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:39,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 03:44:39,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:39,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:44:39,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:39,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-10-13 03:44:39,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:44:39,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839392299] [2024-10-13 03:44:39,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839392299] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 03:44:39,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [6471215] [2024-10-13 03:44:39,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:44:39,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 03:44:39,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 03:44:39,851 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 03:44:39,852 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 03:44:40,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:40,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-13 03:44:40,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 03:44:41,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 872 proven. 114 refuted. 0 times theorem prover too weak. 874 trivial. 0 not checked. [2024-10-13 03:44:41,186 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 03:44:41,655 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 30 proven. 60 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-10-13 03:44:41,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [6471215] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 03:44:41,656 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 03:44:41,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 6] total 22 [2024-10-13 03:44:41,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830359631] [2024-10-13 03:44:41,656 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 03:44:41,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-13 03:44:41,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:44:41,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-13 03:44:41,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=379, Unknown=0, NotChecked=0, Total=462 [2024-10-13 03:44:41,659 INFO L87 Difference]: Start difference. First operand 559 states and 862 transitions. Second operand has 22 states, 22 states have (on average 5.636363636363637) internal successors, (124), 21 states have internal predecessors, (124), 6 states have call successors, (88), 4 states have call predecessors, (88), 7 states have return successors, (89), 6 states have call predecessors, (89), 6 states have call successors, (89) [2024-10-13 03:44:45,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:44:45,833 INFO L93 Difference]: Finished difference Result 1880 states and 2810 transitions. [2024-10-13 03:44:45,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-10-13 03:44:45,835 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 5.636363636363637) internal successors, (124), 21 states have internal predecessors, (124), 6 states have call successors, (88), 4 states have call predecessors, (88), 7 states have return successors, (89), 6 states have call predecessors, (89), 6 states have call successors, (89) Word has length 204 [2024-10-13 03:44:45,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:44:45,842 INFO L225 Difference]: With dead ends: 1880 [2024-10-13 03:44:45,843 INFO L226 Difference]: Without dead ends: 1322 [2024-10-13 03:44:45,847 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 544 GetRequests, 463 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2401 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1128, Invalid=5678, Unknown=0, NotChecked=0, Total=6806 [2024-10-13 03:44:45,848 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 1764 mSDsluCounter, 930 mSDsCounter, 0 mSdLazyCounter, 1915 mSolverCounterSat, 702 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1765 SdHoareTripleChecker+Valid, 1088 SdHoareTripleChecker+Invalid, 2617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 702 IncrementalHoareTripleChecker+Valid, 1915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-10-13 03:44:45,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1765 Valid, 1088 Invalid, 2617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [702 Valid, 1915 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-13 03:44:45,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1322 states. [2024-10-13 03:44:45,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1322 to 1011. [2024-10-13 03:44:45,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1011 states, 831 states have (on average 1.4127557160048134) internal successors, (1174), 834 states have internal predecessors, (1174), 159 states have call successors, (159), 20 states have call predecessors, (159), 20 states have return successors, (159), 156 states have call predecessors, (159), 159 states have call successors, (159) [2024-10-13 03:44:45,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 1011 states and 1492 transitions. [2024-10-13 03:44:45,956 INFO L78 Accepts]: Start accepts. Automaton has 1011 states and 1492 transitions. Word has length 204 [2024-10-13 03:44:45,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:44:45,957 INFO L471 AbstractCegarLoop]: Abstraction has 1011 states and 1492 transitions. [2024-10-13 03:44:45,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 5.636363636363637) internal successors, (124), 21 states have internal predecessors, (124), 6 states have call successors, (88), 4 states have call predecessors, (88), 7 states have return successors, (89), 6 states have call predecessors, (89), 6 states have call successors, (89) [2024-10-13 03:44:45,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1492 transitions. [2024-10-13 03:44:45,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-10-13 03:44:45,961 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:44:45,962 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:44:45,990 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 03:44:46,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 03:44:46,163 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:44:46,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:44:46,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1612228263, now seen corresponding path program 1 times [2024-10-13 03:44:46,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:44:46,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860671884] [2024-10-13 03:44:46,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:44:46,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:44:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:48,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:44:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:48,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:44:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:48,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:44:48,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:48,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:44:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:48,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:44:48,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:48,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:44:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:48,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:44:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:48,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:44:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:48,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:44:48,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:48,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:44:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:48,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:44:48,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:48,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:44:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:48,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:44:48,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:48,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 03:44:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:48,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 03:44:48,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:48,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 03:44:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:48,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 03:44:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:48,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 03:44:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:48,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:44:48,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:48,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 03:44:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:48,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 03:44:48,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:48,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 03:44:48,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:48,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 03:44:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:48,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 03:44:48,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:48,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 03:44:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:48,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 03:44:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:48,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 03:44:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:48,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 03:44:48,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:48,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 03:44:48,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:48,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 03:44:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:48,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:44:48,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:48,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 03:44:48,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:44:48,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860671884] [2024-10-13 03:44:48,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860671884] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:44:48,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:44:48,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-13 03:44:48,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240668533] [2024-10-13 03:44:48,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:44:48,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 03:44:48,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:44:48,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 03:44:48,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-13 03:44:48,173 INFO L87 Difference]: Start difference. First operand 1011 states and 1492 transitions. Second operand has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 03:44:50,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:44:50,589 INFO L93 Difference]: Finished difference Result 2147 states and 3148 transitions. [2024-10-13 03:44:50,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 03:44:50,590 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 204 [2024-10-13 03:44:50,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:44:50,602 INFO L225 Difference]: With dead ends: 2147 [2024-10-13 03:44:50,603 INFO L226 Difference]: Without dead ends: 1690 [2024-10-13 03:44:50,605 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 73 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2024-10-13 03:44:50,607 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 451 mSDsluCounter, 1150 mSDsCounter, 0 mSdLazyCounter, 1124 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 1341 SdHoareTripleChecker+Invalid, 1166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-13 03:44:50,607 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 1341 Invalid, 1166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1124 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-13 03:44:50,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2024-10-13 03:44:50,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1038. [2024-10-13 03:44:50,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1038 states, 857 states have (on average 1.411901983663944) internal successors, (1210), 860 states have internal predecessors, (1210), 159 states have call successors, (159), 21 states have call predecessors, (159), 21 states have return successors, (159), 156 states have call predecessors, (159), 159 states have call successors, (159) [2024-10-13 03:44:50,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 1038 states and 1528 transitions. [2024-10-13 03:44:50,745 INFO L78 Accepts]: Start accepts. Automaton has 1038 states and 1528 transitions. Word has length 204 [2024-10-13 03:44:50,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:44:50,747 INFO L471 AbstractCegarLoop]: Abstraction has 1038 states and 1528 transitions. [2024-10-13 03:44:50,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 03:44:50,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1528 transitions. [2024-10-13 03:44:50,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2024-10-13 03:44:50,750 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:44:50,750 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:44:50,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 03:44:50,750 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:44:50,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:44:50,751 INFO L85 PathProgramCache]: Analyzing trace with hash 2095933019, now seen corresponding path program 1 times [2024-10-13 03:44:50,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:44:50,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075918055] [2024-10-13 03:44:50,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:44:50,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:44:50,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:52,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:44:52,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:52,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:44:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:52,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:44:52,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:52,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:44:52,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:52,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:44:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:52,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:44:52,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:52,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:44:52,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:52,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:44:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:52,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:44:52,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:52,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:44:52,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:52,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:44:52,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:52,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:44:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:52,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:44:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:52,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 03:44:52,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:52,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 03:44:52,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:52,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 03:44:52,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:52,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 03:44:52,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:52,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 03:44:52,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:52,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:44:52,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:52,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 03:44:52,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:52,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 03:44:52,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:52,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 03:44:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:52,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 03:44:52,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:52,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 03:44:52,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:52,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 03:44:52,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:52,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 03:44:52,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:52,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 03:44:52,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:52,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 03:44:52,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:52,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 03:44:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:52,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 03:44:52,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:52,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:44:52,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:44:52,368 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 03:44:52,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:44:52,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075918055] [2024-10-13 03:44:52,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075918055] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:44:52,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:44:52,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 03:44:52,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911131732] [2024-10-13 03:44:52,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:44:52,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 03:44:52,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:44:52,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 03:44:52,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-13 03:44:52,371 INFO L87 Difference]: Start difference. First operand 1038 states and 1528 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 03:44:53,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:44:53,453 INFO L93 Difference]: Finished difference Result 2253 states and 3320 transitions. [2024-10-13 03:44:53,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 03:44:53,454 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 204 [2024-10-13 03:44:53,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:44:53,462 INFO L225 Difference]: With dead ends: 2253 [2024-10-13 03:44:53,463 INFO L226 Difference]: Without dead ends: 1460 [2024-10-13 03:44:53,465 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-10-13 03:44:53,466 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 205 mSDsluCounter, 654 mSDsCounter, 0 mSdLazyCounter, 642 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-13 03:44:53,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 830 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 642 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-13 03:44:53,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1460 states. [2024-10-13 03:44:53,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1460 to 1141. [2024-10-13 03:44:53,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1141 states, 960 states have (on average 1.4135416666666667) internal successors, (1357), 963 states have internal predecessors, (1357), 159 states have call successors, (159), 21 states have call predecessors, (159), 21 states have return successors, (159), 156 states have call predecessors, (159), 159 states have call successors, (159) [2024-10-13 03:44:53,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 1141 states and 1675 transitions. [2024-10-13 03:44:53,598 INFO L78 Accepts]: Start accepts. Automaton has 1141 states and 1675 transitions. Word has length 204 [2024-10-13 03:44:53,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:44:53,599 INFO L471 AbstractCegarLoop]: Abstraction has 1141 states and 1675 transitions. [2024-10-13 03:44:53,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 03:44:53,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 1675 transitions. [2024-10-13 03:44:53,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-10-13 03:44:53,601 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:44:53,601 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:44:53,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 03:44:53,602 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:44:53,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:44:53,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1918209352, now seen corresponding path program 1 times [2024-10-13 03:44:53,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:44:53,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613009801] [2024-10-13 03:44:53,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:44:53,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:44:55,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:00,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:45:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:00,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:45:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:00,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:45:00,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:00,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:45:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:00,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:45:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:00,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:45:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:00,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:45:00,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:00,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:45:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:00,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:45:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:00,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:45:00,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:00,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:45:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:00,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:45:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:00,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:45:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:00,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 03:45:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:00,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 03:45:00,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:00,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 03:45:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:00,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 03:45:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:00,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 03:45:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:00,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:45:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:00,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 03:45:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:00,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 03:45:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:00,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 03:45:00,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:00,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 03:45:00,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:00,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 03:45:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:00,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 03:45:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:00,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 03:45:00,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:00,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 03:45:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:00,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 03:45:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:00,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 03:45:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:00,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 03:45:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:00,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:45:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:00,060 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 03:45:00,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:45:00,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613009801] [2024-10-13 03:45:00,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613009801] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:45:00,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:45:00,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-10-13 03:45:00,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838034178] [2024-10-13 03:45:00,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:45:00,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-13 03:45:00,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:45:00,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-13 03:45:00,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2024-10-13 03:45:00,064 INFO L87 Difference]: Start difference. First operand 1141 states and 1675 transitions. Second operand has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 03:45:03,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:45:03,143 INFO L93 Difference]: Finished difference Result 2682 states and 3902 transitions. [2024-10-13 03:45:03,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-13 03:45:03,144 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 205 [2024-10-13 03:45:03,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:45:03,154 INFO L225 Difference]: With dead ends: 2682 [2024-10-13 03:45:03,155 INFO L226 Difference]: Without dead ends: 1877 [2024-10-13 03:45:03,157 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=179, Invalid=577, Unknown=0, NotChecked=0, Total=756 [2024-10-13 03:45:03,158 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 785 mSDsluCounter, 864 mSDsCounter, 0 mSdLazyCounter, 1329 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 785 SdHoareTripleChecker+Valid, 1041 SdHoareTripleChecker+Invalid, 1347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-13 03:45:03,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [785 Valid, 1041 Invalid, 1347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1329 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-13 03:45:03,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1877 states. [2024-10-13 03:45:03,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1877 to 1290. [2024-10-13 03:45:03,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1290 states, 1109 states have (on average 1.4192966636609559) internal successors, (1574), 1112 states have internal predecessors, (1574), 159 states have call successors, (159), 21 states have call predecessors, (159), 21 states have return successors, (159), 156 states have call predecessors, (159), 159 states have call successors, (159) [2024-10-13 03:45:03,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 1290 states and 1892 transitions. [2024-10-13 03:45:03,301 INFO L78 Accepts]: Start accepts. Automaton has 1290 states and 1892 transitions. Word has length 205 [2024-10-13 03:45:03,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:45:03,301 INFO L471 AbstractCegarLoop]: Abstraction has 1290 states and 1892 transitions. [2024-10-13 03:45:03,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.1176470588235294) internal successors, (53), 17 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 03:45:03,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 1892 transitions. [2024-10-13 03:45:03,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-10-13 03:45:03,307 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:45:03,307 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:45:03,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 03:45:03,307 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:45:03,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:45:03,308 INFO L85 PathProgramCache]: Analyzing trace with hash -113976252, now seen corresponding path program 1 times [2024-10-13 03:45:03,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:45:03,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744483909] [2024-10-13 03:45:03,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:45:03,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:45:03,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:03,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:45:03,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:03,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:45:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:03,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:45:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:03,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:45:03,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:03,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:45:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:03,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:45:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:03,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:45:03,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:03,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:45:03,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:03,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:45:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:03,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:45:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:03,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:45:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:03,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:45:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:03,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:45:03,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:03,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 03:45:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:03,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 03:45:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:03,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 03:45:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:03,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 03:45:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:03,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 03:45:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:03,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:45:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:03,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 03:45:03,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:03,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 03:45:03,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:03,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 03:45:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:03,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 03:45:03,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:03,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 03:45:03,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:03,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 03:45:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:03,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 03:45:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:03,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 03:45:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:03,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 03:45:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:03,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 03:45:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:03,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 03:45:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:03,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:45:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:03,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 03:45:03,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:45:03,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744483909] [2024-10-13 03:45:03,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744483909] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:45:03,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:45:03,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 03:45:03,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174944412] [2024-10-13 03:45:03,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:45:03,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 03:45:03,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:45:03,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 03:45:03,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-13 03:45:03,905 INFO L87 Difference]: Start difference. First operand 1290 states and 1892 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-10-13 03:45:04,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:45:04,746 INFO L93 Difference]: Finished difference Result 4003 states and 5823 transitions. [2024-10-13 03:45:04,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 03:45:04,747 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 205 [2024-10-13 03:45:04,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:45:04,762 INFO L225 Difference]: With dead ends: 4003 [2024-10-13 03:45:04,762 INFO L226 Difference]: Without dead ends: 2980 [2024-10-13 03:45:04,766 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-10-13 03:45:04,767 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 353 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 03:45:04,767 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 700 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 03:45:04,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2980 states. [2024-10-13 03:45:04,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2980 to 2428. [2024-10-13 03:45:04,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2428 states, 2103 states have (on average 1.4170233000475512) internal successors, (2980), 2109 states have internal predecessors, (2980), 287 states have call successors, (287), 37 states have call predecessors, (287), 37 states have return successors, (287), 281 states have call predecessors, (287), 287 states have call successors, (287) [2024-10-13 03:45:04,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2428 states to 2428 states and 3554 transitions. [2024-10-13 03:45:04,962 INFO L78 Accepts]: Start accepts. Automaton has 2428 states and 3554 transitions. Word has length 205 [2024-10-13 03:45:04,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:45:04,963 INFO L471 AbstractCegarLoop]: Abstraction has 2428 states and 3554 transitions. [2024-10-13 03:45:04,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-10-13 03:45:04,963 INFO L276 IsEmpty]: Start isEmpty. Operand 2428 states and 3554 transitions. [2024-10-13 03:45:04,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-10-13 03:45:04,966 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:45:04,966 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:45:04,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-13 03:45:04,966 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:45:04,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:45:04,967 INFO L85 PathProgramCache]: Analyzing trace with hash 144189186, now seen corresponding path program 1 times [2024-10-13 03:45:04,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:45:04,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654423611] [2024-10-13 03:45:04,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:45:04,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:45:05,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:05,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:45:05,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:05,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:45:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:05,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:45:05,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:05,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:45:05,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:05,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:45:05,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:05,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:45:05,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:05,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:45:05,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:05,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:45:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:05,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:45:05,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:05,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:45:05,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:05,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:45:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:05,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:45:05,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:05,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:45:05,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:05,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 03:45:05,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:05,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 03:45:05,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:05,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 03:45:05,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:05,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 03:45:05,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:05,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 03:45:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:05,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:45:05,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:05,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 03:45:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:05,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 03:45:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:05,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 03:45:05,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:05,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 03:45:05,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:05,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 03:45:05,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:05,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 03:45:05,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:05,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 03:45:05,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:05,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 03:45:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:05,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 03:45:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:05,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 03:45:05,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:05,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 03:45:05,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:05,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:45:05,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:05,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 03:45:05,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:45:05,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654423611] [2024-10-13 03:45:05,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654423611] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:45:05,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:45:05,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 03:45:05,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426813837] [2024-10-13 03:45:05,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:45:05,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 03:45:05,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:45:05,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 03:45:05,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 03:45:05,185 INFO L87 Difference]: Start difference. First operand 2428 states and 3554 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, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 03:45:05,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:45:05,638 INFO L93 Difference]: Finished difference Result 4877 states and 7111 transitions. [2024-10-13 03:45:05,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 03:45:05,639 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, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 205 [2024-10-13 03:45:05,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:45:05,652 INFO L225 Difference]: With dead ends: 4877 [2024-10-13 03:45:05,653 INFO L226 Difference]: Without dead ends: 2828 [2024-10-13 03:45:05,657 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 66 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 03:45:05,658 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 191 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 03:45:05,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 327 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 03:45:05,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2828 states. [2024-10-13 03:45:05,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2828 to 2420. [2024-10-13 03:45:05,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2420 states, 2095 states have (on average 1.4066825775656324) internal successors, (2947), 2101 states have internal predecessors, (2947), 287 states have call successors, (287), 37 states have call predecessors, (287), 37 states have return successors, (287), 281 states have call predecessors, (287), 287 states have call successors, (287) [2024-10-13 03:45:05,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2420 states to 2420 states and 3521 transitions. [2024-10-13 03:45:05,858 INFO L78 Accepts]: Start accepts. Automaton has 2420 states and 3521 transitions. Word has length 205 [2024-10-13 03:45:05,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:45:05,858 INFO L471 AbstractCegarLoop]: Abstraction has 2420 states and 3521 transitions. [2024-10-13 03:45:05,859 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, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 03:45:05,859 INFO L276 IsEmpty]: Start isEmpty. Operand 2420 states and 3521 transitions. [2024-10-13 03:45:05,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-10-13 03:45:05,861 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:45:05,861 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:45:05,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-13 03:45:05,862 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:45:05,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:45:05,862 INFO L85 PathProgramCache]: Analyzing trace with hash 2058757962, now seen corresponding path program 1 times [2024-10-13 03:45:05,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:45:05,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336755627] [2024-10-13 03:45:05,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:45:05,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:45:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:09,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:45:09,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:09,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:45:09,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:09,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:45:09,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:09,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:45:09,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:09,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:45:09,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:09,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:45:09,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:09,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:45:09,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:09,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:45:09,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:09,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:45:09,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:09,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:45:09,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:09,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:45:09,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:09,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:45:09,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:09,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:45:09,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:09,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 03:45:09,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:09,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 03:45:09,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:09,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 03:45:09,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:09,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 03:45:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:09,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 03:45:09,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:09,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:45:09,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:09,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 03:45:09,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:09,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 03:45:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:09,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 03:45:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:09,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 03:45:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:09,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 03:45:09,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:09,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 03:45:09,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:09,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 03:45:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:09,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 03:45:09,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:09,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 03:45:09,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:09,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 03:45:09,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:09,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 03:45:09,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:09,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:45:09,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:09,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 03:45:09,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:45:09,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336755627] [2024-10-13 03:45:09,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336755627] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:45:09,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:45:09,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-13 03:45:09,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938843592] [2024-10-13 03:45:09,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:45:09,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 03:45:09,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:45:09,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 03:45:09,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-10-13 03:45:09,341 INFO L87 Difference]: Start difference. First operand 2420 states and 3521 transitions. Second operand has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 03:45:11,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:45:11,591 INFO L93 Difference]: Finished difference Result 4121 states and 5909 transitions. [2024-10-13 03:45:11,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 03:45:11,592 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 205 [2024-10-13 03:45:11,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:45:11,607 INFO L225 Difference]: With dead ends: 4121 [2024-10-13 03:45:11,607 INFO L226 Difference]: Without dead ends: 3200 [2024-10-13 03:45:11,611 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2024-10-13 03:45:11,611 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 343 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 742 SdHoareTripleChecker+Invalid, 697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-13 03:45:11,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 742 Invalid, 697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-13 03:45:11,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3200 states. [2024-10-13 03:45:11,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3200 to 2426. [2024-10-13 03:45:11,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2426 states, 2101 states have (on average 1.4069490718705377) internal successors, (2956), 2107 states have internal predecessors, (2956), 287 states have call successors, (287), 37 states have call predecessors, (287), 37 states have return successors, (287), 281 states have call predecessors, (287), 287 states have call successors, (287) [2024-10-13 03:45:11,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2426 states to 2426 states and 3530 transitions. [2024-10-13 03:45:11,827 INFO L78 Accepts]: Start accepts. Automaton has 2426 states and 3530 transitions. Word has length 205 [2024-10-13 03:45:11,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:45:11,828 INFO L471 AbstractCegarLoop]: Abstraction has 2426 states and 3530 transitions. [2024-10-13 03:45:11,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 03:45:11,829 INFO L276 IsEmpty]: Start isEmpty. Operand 2426 states and 3530 transitions. [2024-10-13 03:45:11,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-10-13 03:45:11,830 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:45:11,830 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:45:11,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-13 03:45:11,831 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:45:11,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:45:11,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1047640712, now seen corresponding path program 1 times [2024-10-13 03:45:11,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:45:11,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683523578] [2024-10-13 03:45:11,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:45:11,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:45:11,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:13,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:45:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:13,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:45:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:13,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:45:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:13,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:45:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:13,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:45:13,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:13,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:45:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:13,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:45:13,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:13,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:45:13,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:13,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:45:13,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:13,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:45:13,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:13,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:45:13,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:13,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:45:13,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:13,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:45:13,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:13,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 03:45:13,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:13,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 03:45:13,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:13,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 03:45:13,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:13,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 03:45:13,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:13,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 03:45:13,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:13,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:45:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:13,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 03:45:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:13,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 03:45:13,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:13,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 03:45:13,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:13,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 03:45:13,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:13,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 03:45:13,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:13,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 03:45:13,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:13,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 03:45:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:13,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 03:45:13,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:13,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 03:45:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:13,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 03:45:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:13,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 03:45:13,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:13,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:45:13,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:13,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 03:45:13,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:45:13,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683523578] [2024-10-13 03:45:13,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683523578] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:45:13,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:45:13,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-13 03:45:13,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510295856] [2024-10-13 03:45:13,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:45:13,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 03:45:13,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:45:13,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 03:45:13,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-10-13 03:45:13,865 INFO L87 Difference]: Start difference. First operand 2426 states and 3530 transitions. Second operand has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 03:45:15,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:45:15,910 INFO L93 Difference]: Finished difference Result 5161 states and 7466 transitions. [2024-10-13 03:45:15,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-13 03:45:15,911 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 205 [2024-10-13 03:45:15,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:45:15,927 INFO L225 Difference]: With dead ends: 5161 [2024-10-13 03:45:15,927 INFO L226 Difference]: Without dead ends: 3328 [2024-10-13 03:45:15,932 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2024-10-13 03:45:15,933 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 573 mSDsluCounter, 708 mSDsCounter, 0 mSdLazyCounter, 907 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 573 SdHoareTripleChecker+Valid, 905 SdHoareTripleChecker+Invalid, 922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-13 03:45:15,933 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [573 Valid, 905 Invalid, 922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 907 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-13 03:45:15,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3328 states. [2024-10-13 03:45:16,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3328 to 2251. [2024-10-13 03:45:16,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2251 states, 1926 states have (on average 1.3992731048805815) internal successors, (2695), 1932 states have internal predecessors, (2695), 287 states have call successors, (287), 37 states have call predecessors, (287), 37 states have return successors, (287), 281 states have call predecessors, (287), 287 states have call successors, (287) [2024-10-13 03:45:16,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 2251 states and 3269 transitions. [2024-10-13 03:45:16,145 INFO L78 Accepts]: Start accepts. Automaton has 2251 states and 3269 transitions. Word has length 205 [2024-10-13 03:45:16,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:45:16,146 INFO L471 AbstractCegarLoop]: Abstraction has 2251 states and 3269 transitions. [2024-10-13 03:45:16,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 03:45:16,146 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 3269 transitions. [2024-10-13 03:45:16,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-10-13 03:45:16,148 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:45:16,148 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:45:16,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-13 03:45:16,149 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:45:16,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:45:16,149 INFO L85 PathProgramCache]: Analyzing trace with hash -773161730, now seen corresponding path program 1 times [2024-10-13 03:45:16,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:45:16,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033972093] [2024-10-13 03:45:16,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:45:16,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:45:16,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:16,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:45:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:16,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:45:16,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:16,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:45:16,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:16,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:45:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:16,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:45:16,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:16,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:45:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:16,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:45:16,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:16,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:45:16,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:16,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:45:16,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:16,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:45:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:16,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:45:16,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:16,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:45:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:16,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:45:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:16,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 03:45:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:16,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 03:45:16,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:16,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 03:45:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:16,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 03:45:16,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:16,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 03:45:16,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:16,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:45:16,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:16,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 03:45:16,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:16,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 03:45:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:16,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 03:45:16,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:16,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 03:45:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:16,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 03:45:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:16,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 03:45:16,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:16,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 03:45:16,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:16,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 03:45:16,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:16,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 03:45:16,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:16,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 03:45:16,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:16,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 03:45:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:16,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:45:16,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:16,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 30 proven. 60 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-10-13 03:45:16,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:45:16,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033972093] [2024-10-13 03:45:16,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033972093] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 03:45:16,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21093319] [2024-10-13 03:45:16,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:45:16,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 03:45:16,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 03:45:16,733 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 03:45:16,735 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 03:45:16,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:16,895 INFO L255 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-13 03:45:16,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 03:45:17,445 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 482 proven. 150 refuted. 0 times theorem prover too weak. 1228 trivial. 0 not checked. [2024-10-13 03:45:17,445 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 03:45:17,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-10-13 03:45:17,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [21093319] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 03:45:17,691 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 03:45:17,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 6] total 20 [2024-10-13 03:45:17,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802574435] [2024-10-13 03:45:17,691 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 03:45:17,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-13 03:45:17,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:45:17,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-13 03:45:17,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2024-10-13 03:45:17,693 INFO L87 Difference]: Start difference. First operand 2251 states and 3269 transitions. Second operand has 20 states, 20 states have (on average 5.6) internal successors, (112), 19 states have internal predecessors, (112), 6 states have call successors, (88), 3 states have call predecessors, (88), 5 states have return successors, (89), 6 states have call predecessors, (89), 6 states have call successors, (89) [2024-10-13 03:45:19,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:45:19,530 INFO L93 Difference]: Finished difference Result 4458 states and 6428 transitions. [2024-10-13 03:45:19,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-10-13 03:45:19,531 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 5.6) internal successors, (112), 19 states have internal predecessors, (112), 6 states have call successors, (88), 3 states have call predecessors, (88), 5 states have return successors, (89), 6 states have call predecessors, (89), 6 states have call successors, (89) Word has length 206 [2024-10-13 03:45:19,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:45:19,545 INFO L225 Difference]: With dead ends: 4458 [2024-10-13 03:45:19,546 INFO L226 Difference]: Without dead ends: 2505 [2024-10-13 03:45:19,552 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 532 GetRequests, 473 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1121 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=747, Invalid=2913, Unknown=0, NotChecked=0, Total=3660 [2024-10-13 03:45:19,553 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 1065 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 1076 mSolverCounterSat, 477 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1071 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 1553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 477 IncrementalHoareTripleChecker+Valid, 1076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-13 03:45:19,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1071 Valid, 806 Invalid, 1553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [477 Valid, 1076 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-13 03:45:19,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2505 states. [2024-10-13 03:45:19,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2505 to 2059. [2024-10-13 03:45:19,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2059 states, 1694 states have (on average 1.3819362455726092) internal successors, (2341), 1702 states have internal predecessors, (2341), 309 states have call successors, (309), 55 states have call predecessors, (309), 55 states have return successors, (309), 301 states have call predecessors, (309), 309 states have call successors, (309) [2024-10-13 03:45:19,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2059 states to 2059 states and 2959 transitions. [2024-10-13 03:45:19,825 INFO L78 Accepts]: Start accepts. Automaton has 2059 states and 2959 transitions. Word has length 206 [2024-10-13 03:45:19,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:45:19,826 INFO L471 AbstractCegarLoop]: Abstraction has 2059 states and 2959 transitions. [2024-10-13 03:45:19,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.6) internal successors, (112), 19 states have internal predecessors, (112), 6 states have call successors, (88), 3 states have call predecessors, (88), 5 states have return successors, (89), 6 states have call predecessors, (89), 6 states have call successors, (89) [2024-10-13 03:45:19,827 INFO L276 IsEmpty]: Start isEmpty. Operand 2059 states and 2959 transitions. [2024-10-13 03:45:19,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-10-13 03:45:19,828 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:45:19,829 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:45:19,864 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-13 03:45:20,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-13 03:45:20,030 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:45:20,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:45:20,031 INFO L85 PathProgramCache]: Analyzing trace with hash -999760081, now seen corresponding path program 1 times [2024-10-13 03:45:20,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:45:20,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579081958] [2024-10-13 03:45:20,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:45:20,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:45:20,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:23,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:45:23,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:23,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:45:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:23,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:45:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:23,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:45:23,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:23,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:45:23,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:23,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:45:23,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:23,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:45:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:23,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:45:23,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:23,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:45:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:23,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:45:23,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:23,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:45:23,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:23,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:45:23,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:23,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:45:23,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:23,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 03:45:23,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:23,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 03:45:23,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:23,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-10-13 03:45:23,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:23,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 03:45:23,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:23,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 03:45:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:23,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:45:23,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:23,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 03:45:23,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:23,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 03:45:23,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:23,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-13 03:45:23,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:23,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 03:45:23,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:23,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 03:45:23,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:23,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 03:45:23,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:23,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-10-13 03:45:23,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:23,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-13 03:45:23,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:23,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 03:45:23,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:23,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-13 03:45:23,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:23,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-13 03:45:23,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:23,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-13 03:45:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:23,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 03:45:23,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:45:23,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579081958] [2024-10-13 03:45:23,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579081958] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:45:23,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:45:23,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-13 03:45:23,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594055850] [2024-10-13 03:45:23,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:45:23,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-13 03:45:23,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:45:23,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 03:45:23,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2024-10-13 03:45:23,057 INFO L87 Difference]: Start difference. First operand 2059 states and 2959 transitions. Second operand has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31)