./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-34.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-34.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 1210d8db9779caa2b34faedb9da4e6c42e2b8376c95e81a461341238221703f5 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 01:13:33,184 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 01:13:33,252 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 01:13:33,257 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 01:13:33,257 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 01:13:33,280 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 01:13:33,281 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 01:13:33,281 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 01:13:33,282 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 01:13:33,282 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 01:13:33,282 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 01:13:33,283 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 01:13:33,284 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 01:13:33,284 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 01:13:33,284 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 01:13:33,285 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 01:13:33,285 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 01:13:33,286 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 01:13:33,286 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 01:13:33,286 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 01:13:33,287 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 01:13:33,287 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 01:13:33,288 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 01:13:33,288 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 01:13:33,288 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 01:13:33,289 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 01:13:33,289 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 01:13:33,289 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 01:13:33,290 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 01:13:33,290 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 01:13:33,291 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 01:13:33,291 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 01:13:33,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 01:13:33,292 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 01:13:33,292 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 01:13:33,292 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 01:13:33,293 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 01:13:33,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 01:13:33,293 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 01:13:33,294 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 01:13:33,294 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 01:13:33,296 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 01:13:33,296 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1210d8db9779caa2b34faedb9da4e6c42e2b8376c95e81a461341238221703f5 [2024-11-12 01:13:33,551 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 01:13:33,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 01:13:33,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 01:13:33,578 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 01:13:33,579 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 01:13:33,580 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-34.i [2024-11-12 01:13:35,109 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 01:13:35,303 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 01:13:35,304 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-34.i [2024-11-12 01:13:35,315 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d92eeae4/de7d6095e2a2453c8a66aa8b4ff9c0e6/FLAGcd8f3dbbe [2024-11-12 01:13:35,327 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d92eeae4/de7d6095e2a2453c8a66aa8b4ff9c0e6 [2024-11-12 01:13:35,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 01:13:35,330 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 01:13:35,332 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 01:13:35,332 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 01:13:35,337 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 01:13:35,338 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:13:35" (1/1) ... [2024-11-12 01:13:35,340 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19adbd3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:35, skipping insertion in model container [2024-11-12 01:13:35,341 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:13:35" (1/1) ... [2024-11-12 01:13:35,370 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 01:13:35,523 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-34.i[913,926] [2024-11-12 01:13:35,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 01:13:35,587 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 01:13:35,614 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-34.i[913,926] [2024-11-12 01:13:35,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 01:13:35,711 INFO L204 MainTranslator]: Completed translation [2024-11-12 01:13:35,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:35 WrapperNode [2024-11-12 01:13:35,712 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 01:13:35,713 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 01:13:35,713 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 01:13:35,713 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 01:13:35,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:35" (1/1) ... [2024-11-12 01:13:35,730 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:35" (1/1) ... [2024-11-12 01:13:35,770 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 198 [2024-11-12 01:13:35,771 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 01:13:35,772 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 01:13:35,772 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 01:13:35,772 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 01:13:35,789 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:35" (1/1) ... [2024-11-12 01:13:35,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:35" (1/1) ... [2024-11-12 01:13:35,794 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:35" (1/1) ... [2024-11-12 01:13:35,825 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 01:13:35,826 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:35" (1/1) ... [2024-11-12 01:13:35,827 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:35" (1/1) ... [2024-11-12 01:13:35,844 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:35" (1/1) ... [2024-11-12 01:13:35,849 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:35" (1/1) ... [2024-11-12 01:13:35,854 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:35" (1/1) ... [2024-11-12 01:13:35,858 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:35" (1/1) ... [2024-11-12 01:13:35,864 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 01:13:35,866 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 01:13:35,866 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 01:13:35,866 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 01:13:35,867 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:35" (1/1) ... [2024-11-12 01:13:35,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 01:13:35,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 01:13:35,901 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 01:13:35,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 01:13:35,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 01:13:35,952 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 01:13:35,952 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 01:13:35,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 01:13:35,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 01:13:35,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 01:13:36,046 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 01:13:36,050 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 01:13:36,456 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-12 01:13:36,457 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 01:13:36,472 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 01:13:36,473 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 01:13:36,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:13:36 BoogieIcfgContainer [2024-11-12 01:13:36,473 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 01:13:36,476 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 01:13:36,477 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 01:13:36,480 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 01:13:36,480 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:13:35" (1/3) ... [2024-11-12 01:13:36,481 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f3c2508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:13:36, skipping insertion in model container [2024-11-12 01:13:36,481 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:13:35" (2/3) ... [2024-11-12 01:13:36,482 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f3c2508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:13:36, skipping insertion in model container [2024-11-12 01:13:36,482 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:13:36" (3/3) ... [2024-11-12 01:13:36,483 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-34.i [2024-11-12 01:13:36,500 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 01:13:36,500 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 01:13:36,558 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 01:13:36,565 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;@234295ff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 01:13:36,566 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 01:13:36,575 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 60 states have (on average 1.45) internal successors, (87), 61 states have internal predecessors, (87), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 01:13:36,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-12 01:13:36,592 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:13:36,592 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:13:36,593 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:13:36,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:13:36,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1460380449, now seen corresponding path program 1 times [2024-11-12 01:13:36,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:13:36,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105221378] [2024-11-12 01:13:36,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:13:36,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:13:36,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:36,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:13:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:36,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:13:36,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:36,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:13:36,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:36,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:13:36,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:36,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:13:36,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:36,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:13:37,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:13:37,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:13:37,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:13:37,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:13:37,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:13:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:13:37,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:13:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:13:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:13:37,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:13:37,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:13:37,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:13:37,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:13:37,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:13:37,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:13:37,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:13:37,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:13:37,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:13:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:13:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:13:37,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:13:37,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:13:37,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:13:37,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105221378] [2024-11-12 01:13:37,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105221378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:13:37,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:13:37,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 01:13:37,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494834248] [2024-11-12 01:13:37,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:13:37,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 01:13:37,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:13:37,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 01:13:37,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 01:13:37,156 INFO L87 Difference]: Start difference. First operand has 90 states, 60 states have (on average 1.45) internal successors, (87), 61 states have internal predecessors, (87), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-12 01:13:37,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:13:37,190 INFO L93 Difference]: Finished difference Result 173 states and 303 transitions. [2024-11-12 01:13:37,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 01:13:37,193 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 169 [2024-11-12 01:13:37,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:13:37,203 INFO L225 Difference]: With dead ends: 173 [2024-11-12 01:13:37,203 INFO L226 Difference]: Without dead ends: 86 [2024-11-12 01:13:37,209 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 01:13:37,214 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 01:13:37,215 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 01:13:37,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-12 01:13:37,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-11-12 01:13:37,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 57 states have (on average 1.4035087719298245) internal successors, (80), 57 states have internal predecessors, (80), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 01:13:37,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 134 transitions. [2024-11-12 01:13:37,269 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 134 transitions. Word has length 169 [2024-11-12 01:13:37,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:13:37,269 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 134 transitions. [2024-11-12 01:13:37,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-12 01:13:37,270 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 134 transitions. [2024-11-12 01:13:37,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-12 01:13:37,274 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:13:37,274 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:13:37,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 01:13:37,275 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:13:37,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:13:37,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1344222045, now seen corresponding path program 1 times [2024-11-12 01:13:37,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:13:37,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816433368] [2024-11-12 01:13:37,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:13:37,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:13:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:13:37,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:13:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:13:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:13:37,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:13:37,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:13:37,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:13:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:13:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:13:37,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:13:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:13:37,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:13:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:13:37,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:13:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:13:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:13:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:13:37,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:13:37,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:13:37,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:13:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:13:37,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:13:37,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:13:37,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:13:37,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:13:37,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:13:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:13:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:37,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:13:37,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:13:37,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816433368] [2024-11-12 01:13:37,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816433368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:13:37,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:13:37,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 01:13:37,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203355509] [2024-11-12 01:13:37,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:13:37,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 01:13:37,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:13:37,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 01:13:37,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 01:13:37,618 INFO L87 Difference]: Start difference. First operand 86 states and 134 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:13:37,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:13:37,674 INFO L93 Difference]: Finished difference Result 206 states and 322 transitions. [2024-11-12 01:13:37,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 01:13:37,675 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 169 [2024-11-12 01:13:37,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:13:37,677 INFO L225 Difference]: With dead ends: 206 [2024-11-12 01:13:37,678 INFO L226 Difference]: Without dead ends: 123 [2024-11-12 01:13:37,679 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 01:13:37,680 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 53 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 01:13:37,680 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 260 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 01:13:37,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-12 01:13:37,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 90. [2024-11-12 01:13:37,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 61 states have (on average 1.4262295081967213) internal successors, (87), 61 states have internal predecessors, (87), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 01:13:37,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 141 transitions. [2024-11-12 01:13:37,697 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 141 transitions. Word has length 169 [2024-11-12 01:13:37,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:13:37,700 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 141 transitions. [2024-11-12 01:13:37,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:13:37,700 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 141 transitions. [2024-11-12 01:13:37,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-12 01:13:37,703 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:13:37,703 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:13:37,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 01:13:37,704 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:13:37,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:13:37,705 INFO L85 PathProgramCache]: Analyzing trace with hash 757416031, now seen corresponding path program 1 times [2024-11-12 01:13:37,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:13:37,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274402311] [2024-11-12 01:13:37,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:13:37,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:13:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:39,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:13:39,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:39,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:13:39,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:39,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:13:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:39,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:13:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:39,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:13:39,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:39,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:13:39,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:39,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:13:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:39,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:13:39,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:39,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:13:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:39,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:13:39,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:39,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:13:39,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:39,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:13:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:39,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:13:39,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:39,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:13:39,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:39,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:13:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:39,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:13:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:39,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:13:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:39,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:13:39,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:39,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:13:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:39,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:13:39,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:39,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:13:39,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:39,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:13:39,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:39,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:13:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:39,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:13:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:39,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:13:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:39,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:13:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:39,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:13:39,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:39,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:13:39,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:13:39,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274402311] [2024-11-12 01:13:39,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274402311] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:13:39,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:13:39,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 01:13:39,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543581765] [2024-11-12 01:13:39,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:13:39,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 01:13:39,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:13:39,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 01:13:39,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-12 01:13:39,361 INFO L87 Difference]: Start difference. First operand 90 states and 141 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:13:39,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:13:39,736 INFO L93 Difference]: Finished difference Result 279 states and 430 transitions. [2024-11-12 01:13:39,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 01:13:39,736 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 169 [2024-11-12 01:13:39,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:13:39,739 INFO L225 Difference]: With dead ends: 279 [2024-11-12 01:13:39,739 INFO L226 Difference]: Without dead ends: 192 [2024-11-12 01:13:39,741 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-12 01:13:39,745 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 263 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 01:13:39,745 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 402 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 01:13:39,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-11-12 01:13:39,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 108. [2024-11-12 01:13:39,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 79 states have (on average 1.4683544303797469) internal successors, (116), 79 states have internal predecessors, (116), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 01:13:39,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 170 transitions. [2024-11-12 01:13:39,767 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 170 transitions. Word has length 169 [2024-11-12 01:13:39,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:13:39,768 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 170 transitions. [2024-11-12 01:13:39,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:13:39,768 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 170 transitions. [2024-11-12 01:13:39,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-12 01:13:39,773 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:13:39,774 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:13:39,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 01:13:39,774 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:13:39,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:13:39,774 INFO L85 PathProgramCache]: Analyzing trace with hash -253701219, now seen corresponding path program 1 times [2024-11-12 01:13:39,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:13:39,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910513163] [2024-11-12 01:13:39,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:13:39,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:13:39,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:40,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:13:40,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:40,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:13:40,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:40,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:13:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:40,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:13:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:40,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:13:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:40,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:13:40,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:40,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:13:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:40,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:13:40,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:40,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:13:40,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:40,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:13:40,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:40,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:13:40,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:40,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:13:40,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:40,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:13:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:40,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:13:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:40,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:13:40,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:40,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:13:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:40,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:13:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:40,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:13:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:40,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:13:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:40,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:13:40,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:40,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:13:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:40,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:13:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:40,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:13:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:40,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:13:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:40,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:13:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:40,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:13:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:40,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:13:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:40,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:13:40,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:13:40,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910513163] [2024-11-12 01:13:40,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910513163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:13:40,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:13:40,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 01:13:40,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186799958] [2024-11-12 01:13:40,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:13:40,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 01:13:40,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:13:40,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 01:13:40,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-12 01:13:40,334 INFO L87 Difference]: Start difference. First operand 108 states and 170 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:13:40,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:13:40,628 INFO L93 Difference]: Finished difference Result 280 states and 436 transitions. [2024-11-12 01:13:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 01:13:40,629 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 169 [2024-11-12 01:13:40,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:13:40,631 INFO L225 Difference]: With dead ends: 280 [2024-11-12 01:13:40,633 INFO L226 Difference]: Without dead ends: 175 [2024-11-12 01:13:40,634 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-12 01:13:40,635 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 136 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 01:13:40,635 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 452 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 01:13:40,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-12 01:13:40,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 108. [2024-11-12 01:13:40,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 79 states have (on average 1.4683544303797469) internal successors, (116), 79 states have internal predecessors, (116), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 01:13:40,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 170 transitions. [2024-11-12 01:13:40,656 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 170 transitions. Word has length 169 [2024-11-12 01:13:40,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:13:40,658 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 170 transitions. [2024-11-12 01:13:40,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:13:40,658 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 170 transitions. [2024-11-12 01:13:40,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-12 01:13:40,660 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:13:40,661 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:13:40,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 01:13:40,661 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:13:40,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:13:40,662 INFO L85 PathProgramCache]: Analyzing trace with hash 526320473, now seen corresponding path program 1 times [2024-11-12 01:13:40,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:13:40,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702139250] [2024-11-12 01:13:40,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:13:40,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:13:40,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:44,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:13:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:44,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:13:44,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:44,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:13:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:44,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:13:44,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:44,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:13:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:44,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:13:44,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:44,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:13:44,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:44,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:13:44,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:44,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:13:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:44,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:13:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:44,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:13:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:44,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:13:44,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:44,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:13:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:44,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:13:44,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:44,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:13:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:44,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:13:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:44,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:13:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:44,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:13:44,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:44,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:13:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:44,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:13:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:44,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:13:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:44,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:13:44,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:44,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:13:44,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:44,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:13:44,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:44,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:13:44,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:44,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:13:44,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:44,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:13:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:44,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:13:44,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:13:44,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702139250] [2024-11-12 01:13:44,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702139250] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:13:44,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:13:44,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-12 01:13:44,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678126718] [2024-11-12 01:13:44,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:13:44,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 01:13:44,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:13:44,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 01:13:44,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2024-11-12 01:13:44,624 INFO L87 Difference]: Start difference. First operand 108 states and 170 transitions. Second operand has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 12 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:13:45,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:13:45,925 INFO L93 Difference]: Finished difference Result 300 states and 463 transitions. [2024-11-12 01:13:45,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 01:13:45,926 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 12 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 170 [2024-11-12 01:13:45,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:13:45,928 INFO L225 Difference]: With dead ends: 300 [2024-11-12 01:13:45,928 INFO L226 Difference]: Without dead ends: 195 [2024-11-12 01:13:45,929 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2024-11-12 01:13:45,930 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 327 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-12 01:13:45,930 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 537 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-12 01:13:45,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-12 01:13:45,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 119. [2024-11-12 01:13:45,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 90 states have (on average 1.5) internal successors, (135), 90 states have internal predecessors, (135), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 01:13:45,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 189 transitions. [2024-11-12 01:13:45,940 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 189 transitions. Word has length 170 [2024-11-12 01:13:45,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:13:45,940 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 189 transitions. [2024-11-12 01:13:45,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 12 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:13:45,941 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 189 transitions. [2024-11-12 01:13:45,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-12 01:13:45,943 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:13:45,943 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:13:45,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 01:13:45,943 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:13:45,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:13:45,944 INFO L85 PathProgramCache]: Analyzing trace with hash -283026153, now seen corresponding path program 1 times [2024-11-12 01:13:45,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:13:45,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30102778] [2024-11-12 01:13:45,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:13:45,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:13:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:48,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:13:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:48,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:13:48,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:48,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:13:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:48,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:13:48,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:48,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:13:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:48,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:13:48,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:48,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:13:48,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:48,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:13:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:48,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:13:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:48,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:13:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:48,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:13:48,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:48,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:13:48,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:48,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:13:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:48,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:13:48,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:48,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:13:48,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:48,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:13:48,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:48,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:13:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:48,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:13:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:48,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:13:48,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:48,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:13:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:48,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:13:48,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:48,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:13:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:48,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:13:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:48,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:13:48,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:48,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:13:48,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:48,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:13:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:48,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:13:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:48,852 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:13:48,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:13:48,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30102778] [2024-11-12 01:13:48,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30102778] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:13:48,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:13:48,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 01:13:48,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541467497] [2024-11-12 01:13:48,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:13:48,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 01:13:48,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:13:48,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 01:13:48,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-12 01:13:48,855 INFO L87 Difference]: Start difference. First operand 119 states and 189 transitions. Second operand has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:13:50,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:13:50,094 INFO L93 Difference]: Finished difference Result 367 states and 567 transitions. [2024-11-12 01:13:50,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 01:13:50,098 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 170 [2024-11-12 01:13:50,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:13:50,100 INFO L225 Difference]: With dead ends: 367 [2024-11-12 01:13:50,100 INFO L226 Difference]: Without dead ends: 251 [2024-11-12 01:13:50,101 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 59 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-11-12 01:13:50,102 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 248 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-12 01:13:50,102 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 692 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-12 01:13:50,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-11-12 01:13:50,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 140. [2024-11-12 01:13:50,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 111 states have (on average 1.5135135135135136) internal successors, (168), 111 states have internal predecessors, (168), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 01:13:50,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 222 transitions. [2024-11-12 01:13:50,117 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 222 transitions. Word has length 170 [2024-11-12 01:13:50,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:13:50,118 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 222 transitions. [2024-11-12 01:13:50,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:13:50,118 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 222 transitions. [2024-11-12 01:13:50,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-12 01:13:50,120 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:13:50,120 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:13:50,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 01:13:50,121 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:13:50,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:13:50,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1294143403, now seen corresponding path program 1 times [2024-11-12 01:13:50,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:13:50,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250270973] [2024-11-12 01:13:50,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:13:50,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:13:50,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:51,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:13:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:51,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:13:51,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:51,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:13:51,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:51,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:13:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:51,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:13:51,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:51,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:13:51,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:51,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:13:51,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:51,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:13:51,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:51,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:13:51,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:51,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:13:51,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:51,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:13:51,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:51,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:13:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:51,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:13:51,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:51,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:13:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:51,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:13:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:51,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:13:51,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:51,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:13:51,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:51,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:13:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:51,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:13:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:51,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:13:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:51,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:13:51,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:51,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:13:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:51,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:13:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:51,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:13:51,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:51,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:13:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:51,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:13:51,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:51,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:13:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:51,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:13:51,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:13:51,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250270973] [2024-11-12 01:13:51,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250270973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:13:51,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:13:51,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 01:13:51,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140378467] [2024-11-12 01:13:51,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:13:51,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 01:13:51,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:13:51,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 01:13:51,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-12 01:13:51,851 INFO L87 Difference]: Start difference. First operand 140 states and 222 transitions. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:13:52,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:13:52,668 INFO L93 Difference]: Finished difference Result 374 states and 580 transitions. [2024-11-12 01:13:52,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 01:13:52,673 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 170 [2024-11-12 01:13:52,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:13:52,675 INFO L225 Difference]: With dead ends: 374 [2024-11-12 01:13:52,675 INFO L226 Difference]: Without dead ends: 237 [2024-11-12 01:13:52,676 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 58 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-11-12 01:13:52,680 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 183 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 01:13:52,680 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 553 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 01:13:52,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-12 01:13:52,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 140. [2024-11-12 01:13:52,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 111 states have (on average 1.5135135135135136) internal successors, (168), 111 states have internal predecessors, (168), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 01:13:52,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 222 transitions. [2024-11-12 01:13:52,694 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 222 transitions. Word has length 170 [2024-11-12 01:13:52,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:13:52,694 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 222 transitions. [2024-11-12 01:13:52,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:13:52,695 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 222 transitions. [2024-11-12 01:13:52,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-12 01:13:52,697 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:13:52,698 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:13:52,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 01:13:52,698 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:13:52,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:13:52,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1562889831, now seen corresponding path program 1 times [2024-11-12 01:13:52,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:13:52,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534052938] [2024-11-12 01:13:52,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:13:52,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:13:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:52,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:13:52,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:52,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:13:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:52,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:13:52,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:52,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:13:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:52,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:13:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:52,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:13:52,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:52,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:13:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:52,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:13:52,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:52,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:13:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:52,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:13:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:52,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:13:52,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:52,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:13:52,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:52,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:13:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:52,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:13:52,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:52,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:13:52,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:52,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:13:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:52,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:13:52,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:52,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:13:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:52,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:13:52,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:52,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:13:52,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:52,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:13:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:52,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:13:52,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:52,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:13:52,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:52,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:13:52,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:52,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:13:52,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:52,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:13:52,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:52,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:13:52,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:52,920 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:13:52,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:13:52,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534052938] [2024-11-12 01:13:52,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534052938] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:13:52,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:13:52,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 01:13:52,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725748913] [2024-11-12 01:13:52,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:13:52,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 01:13:52,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:13:52,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 01:13:52,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 01:13:52,925 INFO L87 Difference]: Start difference. First operand 140 states and 222 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:13:53,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:13:53,141 INFO L93 Difference]: Finished difference Result 330 states and 520 transitions. [2024-11-12 01:13:53,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 01:13:53,143 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 170 [2024-11-12 01:13:53,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:13:53,145 INFO L225 Difference]: With dead ends: 330 [2024-11-12 01:13:53,145 INFO L226 Difference]: Without dead ends: 193 [2024-11-12 01:13:53,146 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 01:13:53,147 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 66 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 01:13:53,147 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 352 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 01:13:53,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-11-12 01:13:53,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 190. [2024-11-12 01:13:53,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 156 states have (on average 1.5064102564102564) internal successors, (235), 157 states have internal predecessors, (235), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-12 01:13:53,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 297 transitions. [2024-11-12 01:13:53,158 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 297 transitions. Word has length 170 [2024-11-12 01:13:53,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:13:53,159 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 297 transitions. [2024-11-12 01:13:53,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:13:53,159 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 297 transitions. [2024-11-12 01:13:53,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-12 01:13:53,162 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:13:53,162 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:13:53,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 01:13:53,163 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:13:53,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:13:53,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1398147195, now seen corresponding path program 1 times [2024-11-12 01:13:53,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:13:53,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399659296] [2024-11-12 01:13:53,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:13:53,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:13:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:54,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:13:54,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:54,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:13:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:54,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:13:54,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:54,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:13:54,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:54,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:13:54,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:54,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:13:54,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:54,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:13:54,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:54,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:13:54,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:54,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:13:54,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:54,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:13:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:54,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:13:54,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:54,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:13:54,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:54,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:13:54,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:54,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:13:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:54,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:13:54,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:54,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:13:54,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:54,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:13:54,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:54,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:13:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:54,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:13:54,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:54,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:13:54,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:54,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:13:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:54,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:13:54,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:54,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:13:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:54,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:13:54,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:54,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:13:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:54,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:13:54,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:54,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:13:54,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:54,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:13:54,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:13:54,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399659296] [2024-11-12 01:13:54,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399659296] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:13:54,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:13:54,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 01:13:54,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326603670] [2024-11-12 01:13:54,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:13:54,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 01:13:54,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:13:54,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 01:13:54,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-12 01:13:54,440 INFO L87 Difference]: Start difference. First operand 190 states and 297 transitions. Second operand has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:13:54,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:13:54,841 INFO L93 Difference]: Finished difference Result 484 states and 746 transitions. [2024-11-12 01:13:54,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 01:13:54,842 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 170 [2024-11-12 01:13:54,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:13:54,845 INFO L225 Difference]: With dead ends: 484 [2024-11-12 01:13:54,846 INFO L226 Difference]: Without dead ends: 297 [2024-11-12 01:13:54,846 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-11-12 01:13:54,847 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 308 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 01:13:54,847 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 530 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 01:13:54,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2024-11-12 01:13:54,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 193. [2024-11-12 01:13:54,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 159 states have (on average 1.490566037735849) internal successors, (237), 160 states have internal predecessors, (237), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-12 01:13:54,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 299 transitions. [2024-11-12 01:13:54,857 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 299 transitions. Word has length 170 [2024-11-12 01:13:54,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:13:54,858 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 299 transitions. [2024-11-12 01:13:54,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:13:54,858 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 299 transitions. [2024-11-12 01:13:54,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-12 01:13:54,860 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:13:54,860 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:13:54,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 01:13:54,860 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:13:54,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:13:54,861 INFO L85 PathProgramCache]: Analyzing trace with hash 387029945, now seen corresponding path program 1 times [2024-11-12 01:13:54,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:13:54,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804583110] [2024-11-12 01:13:54,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:13:54,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:13:54,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:55,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:13:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:55,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:13:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:55,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:13:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:55,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:13:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:55,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:13:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:55,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:13:55,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:55,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:13:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:55,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:13:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:55,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:13:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:55,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:13:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:55,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:13:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:55,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:13:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:55,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:13:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:55,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:13:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:55,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:13:55,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:55,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:13:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:55,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:13:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:55,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:13:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:55,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:13:55,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:55,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:13:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:55,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:13:55,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:55,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:13:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:55,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:13:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:55,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:13:55,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:55,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:13:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:55,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:13:55,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:55,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:13:55,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:55,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:13:55,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:13:55,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804583110] [2024-11-12 01:13:55,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804583110] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:13:55,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:13:55,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 01:13:55,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482155161] [2024-11-12 01:13:55,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:13:55,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 01:13:55,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:13:55,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 01:13:55,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-12 01:13:55,545 INFO L87 Difference]: Start difference. First operand 193 states and 299 transitions. Second operand has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:13:55,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:13:55,918 INFO L93 Difference]: Finished difference Result 470 states and 720 transitions. [2024-11-12 01:13:55,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 01:13:55,919 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 170 [2024-11-12 01:13:55,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:13:55,926 INFO L225 Difference]: With dead ends: 470 [2024-11-12 01:13:55,926 INFO L226 Difference]: Without dead ends: 280 [2024-11-12 01:13:55,926 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-11-12 01:13:55,927 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 235 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 01:13:55,927 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 450 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 01:13:55,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-11-12 01:13:55,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 193. [2024-11-12 01:13:55,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 159 states have (on average 1.490566037735849) internal successors, (237), 160 states have internal predecessors, (237), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-12 01:13:55,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 299 transitions. [2024-11-12 01:13:55,951 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 299 transitions. Word has length 170 [2024-11-12 01:13:55,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:13:55,952 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 299 transitions. [2024-11-12 01:13:55,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:13:55,952 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 299 transitions. [2024-11-12 01:13:55,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-12 01:13:55,954 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:13:55,954 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:13:55,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 01:13:55,955 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:13:55,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:13:55,955 INFO L85 PathProgramCache]: Analyzing trace with hash 151129909, now seen corresponding path program 1 times [2024-11-12 01:13:55,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:13:55,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615969095] [2024-11-12 01:13:55,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:13:55,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:13:55,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:56,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:13:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:56,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:13:56,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:56,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:13:56,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:56,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:13:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:56,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:13:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:56,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:13:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:56,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:13:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:56,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:13:56,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:56,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:13:56,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:56,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:13:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:56,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:13:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:56,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:13:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:56,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:13:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:56,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:13:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:56,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:13:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:56,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:13:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:56,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:13:56,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:56,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:13:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:56,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:13:56,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:56,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:13:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:56,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:13:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:56,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:13:56,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:56,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:13:56,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:56,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:13:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:56,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:13:56,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:56,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:13:56,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:56,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:13:56,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:56,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:13:56,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:13:56,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615969095] [2024-11-12 01:13:56,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615969095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:13:56,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:13:56,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 01:13:56,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057230279] [2024-11-12 01:13:56,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:13:56,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 01:13:56,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:13:56,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 01:13:56,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 01:13:56,108 INFO L87 Difference]: Start difference. First operand 193 states and 299 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:13:56,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:13:56,257 INFO L93 Difference]: Finished difference Result 388 states and 601 transitions. [2024-11-12 01:13:56,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 01:13:56,258 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 171 [2024-11-12 01:13:56,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:13:56,260 INFO L225 Difference]: With dead ends: 388 [2024-11-12 01:13:56,260 INFO L226 Difference]: Without dead ends: 198 [2024-11-12 01:13:56,261 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 01:13:56,262 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 64 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 01:13:56,263 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 375 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 01:13:56,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-12 01:13:56,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 193. [2024-11-12 01:13:56,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 159 states have (on average 1.490566037735849) internal successors, (237), 160 states have internal predecessors, (237), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-12 01:13:56,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 299 transitions. [2024-11-12 01:13:56,274 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 299 transitions. Word has length 171 [2024-11-12 01:13:56,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:13:56,275 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 299 transitions. [2024-11-12 01:13:56,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:13:56,276 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 299 transitions. [2024-11-12 01:13:56,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-12 01:13:56,277 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:13:56,277 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:13:56,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 01:13:56,278 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:13:56,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:13:56,278 INFO L85 PathProgramCache]: Analyzing trace with hash 78186743, now seen corresponding path program 1 times [2024-11-12 01:13:56,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:13:56,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616162735] [2024-11-12 01:13:56,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:13:56,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:13:56,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:59,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:13:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:59,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:13:59,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:59,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:13:59,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:59,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:13:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:59,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:13:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:59,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:13:59,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:59,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:13:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:59,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:13:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:59,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:13:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:59,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:13:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:59,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:13:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:59,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:13:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:59,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:13:59,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:59,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:13:59,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:59,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:13:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:59,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:13:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:59,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:13:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:59,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:13:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:59,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:13:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:59,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:13:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:59,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:13:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:59,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:13:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:59,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:13:59,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:59,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:13:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:59,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:13:59,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:59,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:13:59,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:59,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:13:59,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:13:59,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:13:59,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:13:59,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616162735] [2024-11-12 01:13:59,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616162735] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:13:59,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:13:59,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-12 01:13:59,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293671082] [2024-11-12 01:13:59,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:13:59,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-12 01:13:59,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:13:59,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-12 01:13:59,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-12 01:13:59,589 INFO L87 Difference]: Start difference. First operand 193 states and 299 transitions. Second operand has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:14:01,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:14:01,708 INFO L93 Difference]: Finished difference Result 477 states and 723 transitions. [2024-11-12 01:14:01,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 01:14:01,713 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 171 [2024-11-12 01:14:01,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:14:01,715 INFO L225 Difference]: With dead ends: 477 [2024-11-12 01:14:01,715 INFO L226 Difference]: Without dead ends: 287 [2024-11-12 01:14:01,716 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2024-11-12 01:14:01,717 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 432 mSDsluCounter, 739 mSDsCounter, 0 mSdLazyCounter, 933 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 902 SdHoareTripleChecker+Invalid, 937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-12 01:14:01,717 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 902 Invalid, 937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 933 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-12 01:14:01,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-12 01:14:01,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 191. [2024-11-12 01:14:01,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 157 states have (on average 1.484076433121019) internal successors, (233), 158 states have internal predecessors, (233), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-12 01:14:01,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 295 transitions. [2024-11-12 01:14:01,728 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 295 transitions. Word has length 171 [2024-11-12 01:14:01,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:14:01,728 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 295 transitions. [2024-11-12 01:14:01,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:14:01,729 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 295 transitions. [2024-11-12 01:14:01,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-12 01:14:01,730 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:14:01,730 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:14:01,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 01:14:01,731 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:14:01,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:14:01,731 INFO L85 PathProgramCache]: Analyzing trace with hash -731159883, now seen corresponding path program 1 times [2024-11-12 01:14:01,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:14:01,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050973285] [2024-11-12 01:14:01,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:14:01,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:14:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:04,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:14:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:04,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:14:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:04,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:14:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:04,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:14:04,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:04,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:14:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:04,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:14:04,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:04,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:14:04,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:04,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:14:04,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:04,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:14:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:04,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:14:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:04,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:14:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:04,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:14:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:04,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:14:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:04,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:14:04,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:04,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:14:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:04,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:14:04,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:04,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:14:04,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:04,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:14:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:04,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:14:04,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:04,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:14:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:04,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:14:04,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:04,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:14:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:04,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:14:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:04,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:14:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:04,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:14:04,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:04,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:14:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:04,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:14:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:04,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:14:04,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:14:04,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050973285] [2024-11-12 01:14:04,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050973285] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:14:04,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:14:04,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 01:14:04,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909997518] [2024-11-12 01:14:04,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:14:04,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 01:14:04,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:14:04,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 01:14:04,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-12 01:14:04,155 INFO L87 Difference]: Start difference. First operand 191 states and 295 transitions. Second operand has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:14:05,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:14:05,312 INFO L93 Difference]: Finished difference Result 457 states and 694 transitions. [2024-11-12 01:14:05,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 01:14:05,314 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 171 [2024-11-12 01:14:05,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:14:05,316 INFO L225 Difference]: With dead ends: 457 [2024-11-12 01:14:05,316 INFO L226 Difference]: Without dead ends: 269 [2024-11-12 01:14:05,317 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 57 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-12 01:14:05,318 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 202 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-12 01:14:05,318 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 592 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-12 01:14:05,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-11-12 01:14:05,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 175. [2024-11-12 01:14:05,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 141 states have (on average 1.4680851063829787) internal successors, (207), 142 states have internal predecessors, (207), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-12 01:14:05,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 269 transitions. [2024-11-12 01:14:05,330 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 269 transitions. Word has length 171 [2024-11-12 01:14:05,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:14:05,330 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 269 transitions. [2024-11-12 01:14:05,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:14:05,331 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 269 transitions. [2024-11-12 01:14:05,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-12 01:14:05,332 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:14:05,332 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:14:05,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-12 01:14:05,332 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:14:05,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:14:05,333 INFO L85 PathProgramCache]: Analyzing trace with hash 2133382454, now seen corresponding path program 1 times [2024-11-12 01:14:05,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:14:05,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084644045] [2024-11-12 01:14:05,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:14:05,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:14:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:05,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:14:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:05,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:14:05,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:05,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:14:05,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:05,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:14:05,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:05,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:14:05,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:05,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:14:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:05,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:14:05,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:05,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:14:05,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:05,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:14:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:05,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:14:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:05,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:14:05,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:05,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:14:05,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:05,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:14:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:05,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:14:05,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:05,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:14:05,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:05,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:14:05,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:05,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:14:05,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:05,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:14:05,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:05,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:14:05,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:05,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:14:05,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:05,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:14:05,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:05,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:14:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:05,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:14:05,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:05,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:14:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:05,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:14:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:05,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:14:05,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:05,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:14:05,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:05,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:14:05,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:14:05,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084644045] [2024-11-12 01:14:05,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084644045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:14:05,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:14:05,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 01:14:05,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139113862] [2024-11-12 01:14:05,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:14:05,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 01:14:05,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:14:05,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 01:14:05,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 01:14:05,510 INFO L87 Difference]: Start difference. First operand 175 states and 269 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:14:05,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:14:05,651 INFO L93 Difference]: Finished difference Result 350 states and 537 transitions. [2024-11-12 01:14:05,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 01:14:05,653 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 172 [2024-11-12 01:14:05,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:14:05,656 INFO L225 Difference]: With dead ends: 350 [2024-11-12 01:14:05,656 INFO L226 Difference]: Without dead ends: 178 [2024-11-12 01:14:05,656 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 01:14:05,657 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 62 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 01:14:05,657 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 361 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 01:14:05,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-11-12 01:14:05,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 173. [2024-11-12 01:14:05,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 139 states have (on average 1.460431654676259) internal successors, (203), 140 states have internal predecessors, (203), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-12 01:14:05,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 265 transitions. [2024-11-12 01:14:05,666 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 265 transitions. Word has length 172 [2024-11-12 01:14:05,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:14:05,666 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 265 transitions. [2024-11-12 01:14:05,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:14:05,667 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 265 transitions. [2024-11-12 01:14:05,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-12 01:14:05,668 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:14:05,668 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:14:05,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-12 01:14:05,668 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:14:05,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:14:05,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1067956517, now seen corresponding path program 1 times [2024-11-12 01:14:05,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:14:05,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829032006] [2024-11-12 01:14:05,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:14:05,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:14:05,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:07,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:14:07,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:07,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:14:07,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:07,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:14:07,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:07,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:14:07,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:07,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:14:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:07,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:14:07,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:07,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:14:07,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:07,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:14:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:07,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:14:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:07,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:14:07,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:07,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:14:07,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:07,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:14:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:07,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:14:07,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:07,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:14:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:07,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:14:07,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:07,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:14:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:07,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:14:07,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:07,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:14:07,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:07,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:14:07,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:07,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:14:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:07,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:14:07,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:07,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:14:07,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:07,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:14:07,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:07,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:14:07,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:07,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:14:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:07,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:14:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:07,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:14:07,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:07,412 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:14:07,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:14:07,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829032006] [2024-11-12 01:14:07,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829032006] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:14:07,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:14:07,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-12 01:14:07,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69433091] [2024-11-12 01:14:07,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:14:07,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 01:14:07,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:14:07,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 01:14:07,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-12 01:14:07,415 INFO L87 Difference]: Start difference. First operand 173 states and 265 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:14:07,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:14:07,859 INFO L93 Difference]: Finished difference Result 430 states and 650 transitions. [2024-11-12 01:14:07,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 01:14:07,860 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 172 [2024-11-12 01:14:07,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:14:07,862 INFO L225 Difference]: With dead ends: 430 [2024-11-12 01:14:07,862 INFO L226 Difference]: Without dead ends: 260 [2024-11-12 01:14:07,862 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 58 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-11-12 01:14:07,863 INFO L435 NwaCegarLoop]: 187 mSDtfsCounter, 180 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 01:14:07,863 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 607 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 01:14:07,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2024-11-12 01:14:07,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 172. [2024-11-12 01:14:07,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 138 states have (on average 1.4565217391304348) internal successors, (201), 139 states have internal predecessors, (201), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-12 01:14:07,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 263 transitions. [2024-11-12 01:14:07,877 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 263 transitions. Word has length 172 [2024-11-12 01:14:07,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:14:07,878 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 263 transitions. [2024-11-12 01:14:07,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:14:07,879 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 263 transitions. [2024-11-12 01:14:07,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-12 01:14:07,880 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:14:07,880 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:14:07,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-12 01:14:07,881 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:14:07,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:14:07,881 INFO L85 PathProgramCache]: Analyzing trace with hash -592848290, now seen corresponding path program 1 times [2024-11-12 01:14:07,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:14:07,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222007096] [2024-11-12 01:14:07,882 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:14:07,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:14:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:14,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:14:14,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:14,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:14:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:14,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:14:14,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:14,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:14:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:14,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:14:14,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:14,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:14:14,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:14,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:14:14,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:14,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:14:14,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:14,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:14:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:14,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:14:14,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:14,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:14:14,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:14,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:14:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:14,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:14:14,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:14,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:14:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:14,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:14:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:14,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:14:14,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:14,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:14:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:14,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:14:14,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:14,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:14:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:14,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:14:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:14,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:14:14,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:14,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:14:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:14,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:14:14,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:14,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:14:14,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:14,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:14:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:14,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:14:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:14,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:14:14,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:14,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:14:14,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:14:14,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222007096] [2024-11-12 01:14:14,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222007096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:14:14,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:14:14,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-12 01:14:14,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825120749] [2024-11-12 01:14:14,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:14:14,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 01:14:14,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:14:14,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 01:14:14,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-12 01:14:14,584 INFO L87 Difference]: Start difference. First operand 172 states and 263 transitions. Second operand has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:14:15,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:14:15,838 INFO L93 Difference]: Finished difference Result 352 states and 521 transitions. [2024-11-12 01:14:15,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 01:14:15,838 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 172 [2024-11-12 01:14:15,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:14:15,841 INFO L225 Difference]: With dead ends: 352 [2024-11-12 01:14:15,841 INFO L226 Difference]: Without dead ends: 350 [2024-11-12 01:14:15,841 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2024-11-12 01:14:15,842 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 238 mSDsluCounter, 919 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 1083 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-12 01:14:15,842 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 1083 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-12 01:14:15,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-11-12 01:14:15,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 252. [2024-11-12 01:14:15,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 202 states have (on average 1.4405940594059405) internal successors, (291), 204 states have internal predecessors, (291), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-12 01:14:15,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 383 transitions. [2024-11-12 01:14:15,866 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 383 transitions. Word has length 172 [2024-11-12 01:14:15,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:14:15,867 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 383 transitions. [2024-11-12 01:14:15,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:14:15,867 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 383 transitions. [2024-11-12 01:14:15,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-12 01:14:15,868 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:14:15,868 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:14:15,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-12 01:14:15,869 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:14:15,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:14:15,869 INFO L85 PathProgramCache]: Analyzing trace with hash 108216288, now seen corresponding path program 1 times [2024-11-12 01:14:15,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:14:15,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437741319] [2024-11-12 01:14:15,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:14:15,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:14:15,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:21,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:14:21,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:21,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:14:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:21,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:14:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:21,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:14:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:21,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:14:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:21,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:14:21,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:21,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:14:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:21,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:14:21,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:21,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:14:21,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:21,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:14:21,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:21,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:14:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:21,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:14:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:21,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:14:21,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:21,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:14:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:21,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:14:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:21,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:14:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:21,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:14:21,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:21,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:14:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:21,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:14:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:21,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:14:21,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:21,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:14:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:21,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:14:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:21,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:14:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:21,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:14:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:21,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:14:21,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:21,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:14:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:21,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:14:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:21,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:14:21,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:14:21,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437741319] [2024-11-12 01:14:21,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437741319] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:14:21,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:14:21,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 01:14:21,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632489972] [2024-11-12 01:14:21,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:14:21,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 01:14:21,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:14:21,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 01:14:21,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-12 01:14:21,462 INFO L87 Difference]: Start difference. First operand 252 states and 383 transitions. Second operand has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:14:22,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:14:22,536 INFO L93 Difference]: Finished difference Result 319 states and 470 transitions. [2024-11-12 01:14:22,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 01:14:22,537 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 172 [2024-11-12 01:14:22,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:14:22,539 INFO L225 Difference]: With dead ends: 319 [2024-11-12 01:14:22,539 INFO L226 Difference]: Without dead ends: 317 [2024-11-12 01:14:22,539 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2024-11-12 01:14:22,540 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 172 mSDsluCounter, 930 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 1096 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 01:14:22,540 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 1096 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 01:14:22,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-12 01:14:22,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 294. [2024-11-12 01:14:22,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 227 states have (on average 1.4096916299559472) internal successors, (320), 230 states have internal predecessors, (320), 61 states have call successors, (61), 5 states have call predecessors, (61), 5 states have return successors, (61), 58 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-12 01:14:22,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 442 transitions. [2024-11-12 01:14:22,589 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 442 transitions. Word has length 172 [2024-11-12 01:14:22,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:14:22,589 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 442 transitions. [2024-11-12 01:14:22,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:14:22,590 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 442 transitions. [2024-11-12 01:14:22,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-12 01:14:22,591 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:14:22,591 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:14:22,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-12 01:14:22,592 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:14:22,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:14:22,592 INFO L85 PathProgramCache]: Analyzing trace with hash -6042276, now seen corresponding path program 1 times [2024-11-12 01:14:22,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:14:22,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119460368] [2024-11-12 01:14:22,593 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:14:22,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:14:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:29,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:14:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:29,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:14:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:29,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:14:29,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:29,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:14:29,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:29,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:14:29,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:29,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:14:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:29,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:14:29,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:29,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:14:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:29,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:14:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:29,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:14:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:29,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:14:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:29,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:14:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:29,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:14:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:29,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:14:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:29,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:14:29,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:29,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:14:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:29,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:14:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:29,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:14:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:29,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:14:29,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:29,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:14:29,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:29,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:14:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:29,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:14:29,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:29,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:14:29,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:29,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:14:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:29,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:14:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:29,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:14:29,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:29,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:14:29,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:29,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:14:29,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:14:29,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119460368] [2024-11-12 01:14:29,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119460368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:14:29,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:14:29,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 01:14:29,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396059793] [2024-11-12 01:14:29,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:14:29,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 01:14:29,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:14:29,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 01:14:29,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-12 01:14:29,188 INFO L87 Difference]: Start difference. First operand 294 states and 442 transitions. Second operand has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:14:30,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:14:30,713 INFO L93 Difference]: Finished difference Result 863 states and 1284 transitions. [2024-11-12 01:14:30,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 01:14:30,714 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 172 [2024-11-12 01:14:30,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:14:30,718 INFO L225 Difference]: With dead ends: 863 [2024-11-12 01:14:30,718 INFO L226 Difference]: Without dead ends: 572 [2024-11-12 01:14:30,719 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2024-11-12 01:14:30,719 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 198 mSDsluCounter, 720 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 899 SdHoareTripleChecker+Invalid, 697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-12 01:14:30,720 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 899 Invalid, 697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-12 01:14:30,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2024-11-12 01:14:30,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 519. [2024-11-12 01:14:30,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 383 states have (on average 1.360313315926893) internal successors, (521), 390 states have internal predecessors, (521), 124 states have call successors, (124), 11 states have call predecessors, (124), 11 states have return successors, (124), 117 states have call predecessors, (124), 124 states have call successors, (124) [2024-11-12 01:14:30,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 769 transitions. [2024-11-12 01:14:30,808 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 769 transitions. Word has length 172 [2024-11-12 01:14:30,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:14:30,808 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 769 transitions. [2024-11-12 01:14:30,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:14:30,808 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 769 transitions. [2024-11-12 01:14:30,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-12 01:14:30,810 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:14:30,810 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:14:30,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-12 01:14:30,810 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:14:30,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:14:30,811 INFO L85 PathProgramCache]: Analyzing trace with hash 695022302, now seen corresponding path program 1 times [2024-11-12 01:14:30,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:14:30,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047776256] [2024-11-12 01:14:30,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:14:30,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:14:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:36,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:14:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:36,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:14:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:36,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:14:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:36,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:14:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:36,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:14:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:36,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:14:36,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:36,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:14:36,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:36,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:14:36,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:36,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:14:36,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:36,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:14:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:36,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:14:36,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:36,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:14:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:36,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:14:36,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:36,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:14:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:36,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:14:36,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:36,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:14:36,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:36,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:14:36,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:36,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:14:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:36,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:14:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:36,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:14:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:36,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:14:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:36,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:14:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:36,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:14:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:36,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:14:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:36,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:14:36,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:36,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:14:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:36,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:14:36,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:36,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:14:36,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:14:36,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047776256] [2024-11-12 01:14:36,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047776256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:14:36,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:14:36,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-12 01:14:36,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970684738] [2024-11-12 01:14:36,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:14:36,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 01:14:36,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:14:36,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 01:14:36,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-12 01:14:36,607 INFO L87 Difference]: Start difference. First operand 519 states and 769 transitions. Second operand has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:14:38,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:14:38,378 INFO L93 Difference]: Finished difference Result 583 states and 851 transitions. [2024-11-12 01:14:38,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 01:14:38,378 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 172 [2024-11-12 01:14:38,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:14:38,383 INFO L225 Difference]: With dead ends: 583 [2024-11-12 01:14:38,384 INFO L226 Difference]: Without dead ends: 581 [2024-11-12 01:14:38,385 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2024-11-12 01:14:38,385 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 216 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 715 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 715 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-12 01:14:38,385 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 865 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 715 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-12 01:14:38,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2024-11-12 01:14:38,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 523. [2024-11-12 01:14:38,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 386 states have (on average 1.3575129533678756) internal successors, (524), 393 states have internal predecessors, (524), 124 states have call successors, (124), 12 states have call predecessors, (124), 12 states have return successors, (124), 117 states have call predecessors, (124), 124 states have call successors, (124) [2024-11-12 01:14:38,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 772 transitions. [2024-11-12 01:14:38,482 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 772 transitions. Word has length 172 [2024-11-12 01:14:38,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 01:14:38,483 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 772 transitions. [2024-11-12 01:14:38,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:14:38,483 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 772 transitions. [2024-11-12 01:14:38,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-12 01:14:38,484 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 01:14:38,485 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 01:14:38,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-12 01:14:38,485 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 01:14:38,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 01:14:38,485 INFO L85 PathProgramCache]: Analyzing trace with hash 258764834, now seen corresponding path program 1 times [2024-11-12 01:14:38,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 01:14:38,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890227618] [2024-11-12 01:14:38,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 01:14:38,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 01:14:38,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:44,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 01:14:44,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:44,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 01:14:44,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:44,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 01:14:44,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:44,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 01:14:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:44,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 01:14:44,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:44,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 01:14:44,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:44,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 01:14:44,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:44,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 01:14:44,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:44,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 01:14:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:44,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 01:14:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:44,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 01:14:44,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:44,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 01:14:44,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:44,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 01:14:44,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:44,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 01:14:44,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:44,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 01:14:44,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:44,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 01:14:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:44,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 01:14:44,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:44,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 01:14:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:44,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 01:14:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:44,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 01:14:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:44,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 01:14:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:44,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 01:14:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:44,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 01:14:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:44,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 01:14:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:44,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 01:14:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:44,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 01:14:44,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:44,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 01:14:44,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 01:14:44,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 01:14:44,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 01:14:44,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890227618] [2024-11-12 01:14:44,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890227618] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 01:14:44,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 01:14:44,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-12 01:14:44,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896679109] [2024-11-12 01:14:44,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 01:14:44,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 01:14:44,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 01:14:44,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 01:14:44,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2024-11-12 01:14:44,342 INFO L87 Difference]: Start difference. First operand 523 states and 772 transitions. Second operand has 16 states, 16 states have (on average 2.5625) internal successors, (41), 16 states have internal predecessors, (41), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 01:14:48,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 01:14:48,361 INFO L93 Difference]: Finished difference Result 1152 states and 1660 transitions. [2024-11-12 01:14:48,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-12 01:14:48,363 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.5625) internal successors, (41), 16 states have internal predecessors, (41), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 173 [2024-11-12 01:14:48,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 01:14:48,371 INFO L225 Difference]: With dead ends: 1152 [2024-11-12 01:14:48,371 INFO L226 Difference]: Without dead ends: 861 [2024-11-12 01:14:48,373 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=239, Invalid=817, Unknown=0, NotChecked=0, Total=1056 [2024-11-12 01:14:48,374 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 435 mSDsluCounter, 988 mSDsCounter, 0 mSdLazyCounter, 1065 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 1156 SdHoareTripleChecker+Invalid, 1122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1065 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-12 01:14:48,374 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 1156 Invalid, 1122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1065 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-12 01:14:48,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states.