./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-86.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d 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_steplocals_file-86.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 e73e85347bbfce4f45897bd7cee996074c05d40818a217b9a91bb8d2644bc292 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 19:51:50,409 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:51:50,485 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 19:51:50,490 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:51:50,490 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:51:50,530 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:51:50,530 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:51:50,531 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:51:50,542 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:51:50,542 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:51:50,543 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:51:50,543 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:51:50,543 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:51:50,545 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:51:50,545 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:51:50,546 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:51:50,546 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:51:50,546 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:51:50,549 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:51:50,549 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:51:50,550 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:51:50,550 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:51:50,551 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:51:50,551 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:51:50,551 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:51:50,551 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:51:50,552 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:51:50,552 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:51:50,552 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:51:50,553 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:51:50,553 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:51:50,554 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:51:50,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:51:50,554 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:51:50,554 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:51:50,554 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:51:50,554 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:51:50,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:51:50,555 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:51:50,555 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:51:50,555 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:51:50,556 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:51:50,556 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e73e85347bbfce4f45897bd7cee996074c05d40818a217b9a91bb8d2644bc292 [2024-11-08 19:51:50,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:51:50,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:51:50,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:51:50,828 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:51:50,828 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:51:50,829 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-86.i [2024-11-08 19:51:52,201 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:51:52,395 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:51:52,395 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-86.i [2024-11-08 19:51:52,407 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbfd9cd48/af93098828a7450490331f9cfa504c77/FLAG5439791c7 [2024-11-08 19:51:52,763 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbfd9cd48/af93098828a7450490331f9cfa504c77 [2024-11-08 19:51:52,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:51:52,767 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:51:52,771 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:51:52,771 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:51:52,776 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:51:52,777 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:51:52" (1/1) ... [2024-11-08 19:51:52,778 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f0874a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:51:52, skipping insertion in model container [2024-11-08 19:51:52,778 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:51:52" (1/1) ... [2024-11-08 19:51:52,806 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:51:52,985 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_steplocals_file-86.i[917,930] [2024-11-08 19:51:53,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:51:53,071 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:51:53,082 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_steplocals_file-86.i[917,930] [2024-11-08 19:51:53,119 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:51:53,139 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:51:53,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:51:53 WrapperNode [2024-11-08 19:51:53,139 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:51:53,140 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:51:53,140 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:51:53,140 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:51:53,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:51:53" (1/1) ... [2024-11-08 19:51:53,166 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:51:53" (1/1) ... [2024-11-08 19:51:53,226 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 166 [2024-11-08 19:51:53,226 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:51:53,227 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:51:53,227 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:51:53,227 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:51:53,240 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:51:53" (1/1) ... [2024-11-08 19:51:53,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:51:53" (1/1) ... [2024-11-08 19:51:53,245 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:51:53" (1/1) ... [2024-11-08 19:51:53,266 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 19:51:53,266 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:51:53" (1/1) ... [2024-11-08 19:51:53,266 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:51:53" (1/1) ... [2024-11-08 19:51:53,279 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:51:53" (1/1) ... [2024-11-08 19:51:53,286 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:51:53" (1/1) ... [2024-11-08 19:51:53,290 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:51:53" (1/1) ... [2024-11-08 19:51:53,291 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:51:53" (1/1) ... [2024-11-08 19:51:53,298 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:51:53,302 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:51:53,302 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:51:53,302 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:51:53,303 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:51:53" (1/1) ... [2024-11-08 19:51:53,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:51:53,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 19:51:53,361 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) [2024-11-08 19:51:53,364 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 [2024-11-08 19:51:53,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:51:53,433 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:51:53,434 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:51:53,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 19:51:53,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:51:53,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:51:53,508 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:51:53,509 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:51:53,842 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 19:51:53,842 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:51:53,864 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:51:53,867 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:51:53,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:51:53 BoogieIcfgContainer [2024-11-08 19:51:53,868 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:51:53,870 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:51:53,870 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:51:53,873 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:51:53,873 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:51:52" (1/3) ... [2024-11-08 19:51:53,874 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f25cc0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:51:53, skipping insertion in model container [2024-11-08 19:51:53,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:51:53" (2/3) ... [2024-11-08 19:51:53,874 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f25cc0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:51:53, skipping insertion in model container [2024-11-08 19:51:53,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:51:53" (3/3) ... [2024-11-08 19:51:53,875 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-86.i [2024-11-08 19:51:53,889 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:51:53,889 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 19:51:53,947 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:51:53,953 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;@7a6a8031, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:51:53,953 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 19:51:53,956 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 46 states have (on average 1.326086956521739) internal successors, (61), 47 states have internal predecessors, (61), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-08 19:51:53,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-08 19:51:53,973 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:51:53,974 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:51:53,975 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:51:53,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:51:53,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1687683337, now seen corresponding path program 1 times [2024-11-08 19:51:53,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:51:53,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966090464] [2024-11-08 19:51:53,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:51:53,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:51:54,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:54,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:51:54,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:54,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:51:54,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:54,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:51:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:54,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:51:54,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:54,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:51:54,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:54,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:51:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:54,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:51:54,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:54,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:51:54,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:54,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:51:54,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:54,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:51:54,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:54,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:51:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:54,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:51:54,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:54,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:51:54,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:54,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 19:51:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:54,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 19:51:54,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:54,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 19:51:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:54,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 19:51:54,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:54,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 19:51:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:54,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 19:51:54,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:54,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 19:51:54,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:54,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 19:51:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:54,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 19:51:54,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:54,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 19:51:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:54,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 19:51:54,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:54,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 19:51:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:54,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 19:51:54,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:54,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 19:51:54,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:54,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 19:51:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:54,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-08 19:51:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:54,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 19:51:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:54,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-08 19:51:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:54,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 19:51:54,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:51:54,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966090464] [2024-11-08 19:51:54,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966090464] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:51:54,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:51:54,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:51:54,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172010009] [2024-11-08 19:51:54,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:51:54,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 19:51:54,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:51:54,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 19:51:54,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:51:54,555 INFO L87 Difference]: Start difference. First operand has 80 states, 46 states have (on average 1.326086956521739) internal successors, (61), 47 states have internal predecessors, (61), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-08 19:51:54,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:51:54,597 INFO L93 Difference]: Finished difference Result 153 states and 271 transitions. [2024-11-08 19:51:54,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 19:51:54,600 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 190 [2024-11-08 19:51:54,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:51:54,608 INFO L225 Difference]: With dead ends: 153 [2024-11-08 19:51:54,608 INFO L226 Difference]: Without dead ends: 76 [2024-11-08 19:51:54,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:51:54,618 INFO L432 NwaCegarLoop]: 116 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, 116 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 [2024-11-08 19:51:54,621 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:51:54,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-08 19:51:54,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-08 19:51:54,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 43 states have (on average 1.255813953488372) internal successors, (54), 43 states have internal predecessors, (54), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-08 19:51:54,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 116 transitions. [2024-11-08 19:51:54,686 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 116 transitions. Word has length 190 [2024-11-08 19:51:54,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:51:54,689 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 116 transitions. [2024-11-08 19:51:54,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-08 19:51:54,689 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 116 transitions. [2024-11-08 19:51:54,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-08 19:51:54,697 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:51:54,698 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:51:54,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 19:51:54,699 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:51:54,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:51:54,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1176879243, now seen corresponding path program 1 times [2024-11-08 19:51:54,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:51:54,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744930723] [2024-11-08 19:51:54,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:51:54,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:51:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:12,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:52:12,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:12,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:52:12,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:12,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:52:12,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:12,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:52:12,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:12,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:52:12,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:12,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:52:12,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:12,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:52:12,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:12,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:52:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:12,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:52:12,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:12,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:52:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:12,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:52:12,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:12,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:52:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:12,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:52:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:12,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 19:52:12,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:12,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 19:52:12,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:12,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 19:52:12,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:12,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 19:52:12,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:12,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 19:52:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:12,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 19:52:12,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:12,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 19:52:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:12,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 19:52:12,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:12,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 19:52:12,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:12,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 19:52:12,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:12,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 19:52:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:12,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 19:52:12,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:12,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 19:52:12,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:12,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 19:52:12,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:12,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 19:52:12,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:12,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-08 19:52:12,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:12,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 19:52:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:12,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-08 19:52:12,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:12,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 19:52:12,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:52:12,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744930723] [2024-11-08 19:52:12,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744930723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:52:12,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:52:12,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-08 19:52:12,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115397459] [2024-11-08 19:52:12,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:52:12,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 19:52:12,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:52:12,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 19:52:12,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-08 19:52:12,975 INFO L87 Difference]: Start difference. First operand 76 states and 116 transitions. Second operand has 14 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 14 states have internal predecessors, (38), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 19:52:16,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:52:16,932 INFO L93 Difference]: Finished difference Result 207 states and 302 transitions. [2024-11-08 19:52:16,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 19:52:16,935 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 14 states have internal predecessors, (38), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 190 [2024-11-08 19:52:16,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:52:16,940 INFO L225 Difference]: With dead ends: 207 [2024-11-08 19:52:16,940 INFO L226 Difference]: Without dead ends: 134 [2024-11-08 19:52:16,941 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2024-11-08 19:52:16,942 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 95 mSDsluCounter, 672 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:52:16,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 770 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-08 19:52:16,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-11-08 19:52:16,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 91. [2024-11-08 19:52:16,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 58 states have (on average 1.2586206896551724) internal successors, (73), 58 states have internal predecessors, (73), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-08 19:52:16,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 135 transitions. [2024-11-08 19:52:16,968 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 135 transitions. Word has length 190 [2024-11-08 19:52:16,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:52:16,973 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 135 transitions. [2024-11-08 19:52:16,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 14 states have internal predecessors, (38), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 19:52:16,973 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 135 transitions. [2024-11-08 19:52:16,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-08 19:52:16,976 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:52:16,976 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:52:16,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 19:52:16,977 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:52:16,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:52:16,977 INFO L85 PathProgramCache]: Analyzing trace with hash 2106970803, now seen corresponding path program 1 times [2024-11-08 19:52:16,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:52:16,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279793513] [2024-11-08 19:52:16,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:52:16,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:52:17,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:17,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:52:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:17,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:52:17,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:17,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:52:17,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:17,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:52:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:17,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:52:17,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:17,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:52:17,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:17,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:52:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:17,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:52:17,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:17,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:52:17,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:17,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:52:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:17,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:52:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:17,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:52:17,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:17,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:52:17,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:17,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 19:52:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:17,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 19:52:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:17,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 19:52:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:17,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 19:52:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:17,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 19:52:17,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:17,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 19:52:17,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:17,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 19:52:17,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:17,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 19:52:17,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:17,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 19:52:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:17,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 19:52:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:17,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 19:52:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:17,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 19:52:17,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:17,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 19:52:17,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:17,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 19:52:17,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:17,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 19:52:17,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:17,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-08 19:52:17,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:17,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 19:52:17,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:17,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-08 19:52:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:17,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 19:52:17,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:52:17,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279793513] [2024-11-08 19:52:17,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279793513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:52:17,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:52:17,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:52:17,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146071493] [2024-11-08 19:52:17,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:52:17,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:52:17,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:52:17,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:52:17,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:52:17,126 INFO L87 Difference]: Start difference. First operand 91 states and 135 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 19:52:17,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:52:17,155 INFO L93 Difference]: Finished difference Result 210 states and 309 transitions. [2024-11-08 19:52:17,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:52:17,156 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 190 [2024-11-08 19:52:17,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:52:17,158 INFO L225 Difference]: With dead ends: 210 [2024-11-08 19:52:17,158 INFO L226 Difference]: Without dead ends: 122 [2024-11-08 19:52:17,159 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:52:17,160 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 47 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:52:17,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 268 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:52:17,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-08 19:52:17,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 119. [2024-11-08 19:52:17,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 77 states have (on average 1.2467532467532467) internal successors, (96), 78 states have internal predecessors, (96), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 38 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-08 19:52:17,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 174 transitions. [2024-11-08 19:52:17,175 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 174 transitions. Word has length 190 [2024-11-08 19:52:17,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:52:17,176 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 174 transitions. [2024-11-08 19:52:17,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 19:52:17,176 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 174 transitions. [2024-11-08 19:52:17,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-08 19:52:17,183 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:52:17,183 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:52:17,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 19:52:17,184 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:52:17,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:52:17,186 INFO L85 PathProgramCache]: Analyzing trace with hash -547142856, now seen corresponding path program 1 times [2024-11-08 19:52:17,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:52:17,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385762489] [2024-11-08 19:52:17,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:52:17,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:52:17,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:30,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:52:30,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:30,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:52:30,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:30,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:52:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:30,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:52:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:30,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:52:30,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:30,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:52:30,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:30,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:52:30,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:30,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:52:30,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:30,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:52:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:30,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:52:30,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:30,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:52:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:30,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:52:30,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:30,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:52:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:30,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 19:52:30,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:30,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 19:52:30,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:30,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 19:52:30,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:30,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 19:52:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:30,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 19:52:30,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:30,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 19:52:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:30,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 19:52:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:30,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 19:52:30,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:30,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 19:52:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:30,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 19:52:30,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:30,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 19:52:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:30,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 19:52:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:30,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 19:52:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:30,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 19:52:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:30,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 19:52:30,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:30,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-08 19:52:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:30,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 19:52:30,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:30,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-08 19:52:30,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:30,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 19:52:30,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:52:30,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385762489] [2024-11-08 19:52:30,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385762489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:52:30,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:52:30,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-08 19:52:30,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317100884] [2024-11-08 19:52:30,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:52:30,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 19:52:30,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:52:30,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 19:52:30,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2024-11-08 19:52:30,350 INFO L87 Difference]: Start difference. First operand 119 states and 174 transitions. Second operand has 15 states, 15 states have (on average 2.6) internal successors, (39), 15 states have internal predecessors, (39), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 19:52:35,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:52:35,029 INFO L93 Difference]: Finished difference Result 222 states and 302 transitions. [2024-11-08 19:52:35,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 19:52:35,031 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.6) internal successors, (39), 15 states have internal predecessors, (39), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 191 [2024-11-08 19:52:35,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:52:35,035 INFO L225 Difference]: With dead ends: 222 [2024-11-08 19:52:35,035 INFO L226 Difference]: Without dead ends: 220 [2024-11-08 19:52:35,039 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=176, Invalid=526, Unknown=0, NotChecked=0, Total=702 [2024-11-08 19:52:35,040 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 183 mSDsluCounter, 877 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 989 SdHoareTripleChecker+Invalid, 659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-08 19:52:35,040 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 989 Invalid, 659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 658 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-08 19:52:35,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-11-08 19:52:35,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 123. [2024-11-08 19:52:35,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 81 states have (on average 1.271604938271605) internal successors, (103), 82 states have internal predecessors, (103), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 38 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-08 19:52:35,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 181 transitions. [2024-11-08 19:52:35,069 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 181 transitions. Word has length 191 [2024-11-08 19:52:35,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:52:35,070 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 181 transitions. [2024-11-08 19:52:35,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.6) internal successors, (39), 15 states have internal predecessors, (39), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 19:52:35,071 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 181 transitions. [2024-11-08 19:52:35,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-08 19:52:35,075 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:52:35,075 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:52:35,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 19:52:35,076 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:52:35,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:52:35,077 INFO L85 PathProgramCache]: Analyzing trace with hash -288977418, now seen corresponding path program 1 times [2024-11-08 19:52:35,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:52:35,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295786524] [2024-11-08 19:52:35,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:52:35,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:52:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:42,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:52:42,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:42,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:52:42,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:42,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:52:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:42,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:52:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:42,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:52:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:42,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:52:42,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:42,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:52:42,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:42,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:52:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:42,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:52:42,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:42,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:52:42,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:42,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:52:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:42,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:52:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:42,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:52:42,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:42,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 19:52:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:42,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 19:52:42,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:42,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 19:52:42,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:42,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 19:52:42,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:42,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 19:52:42,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:42,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 19:52:42,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:42,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 19:52:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:42,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 19:52:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:42,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 19:52:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:42,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 19:52:42,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:42,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 19:52:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:42,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 19:52:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:42,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 19:52:42,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:42,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 19:52:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:42,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 19:52:42,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:42,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-08 19:52:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:42,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 19:52:42,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:42,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-08 19:52:42,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:42,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 19:52:42,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:52:42,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295786524] [2024-11-08 19:52:42,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295786524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:52:42,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:52:42,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-08 19:52:42,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482398692] [2024-11-08 19:52:42,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:52:42,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 19:52:42,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:52:42,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 19:52:42,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-11-08 19:52:42,596 INFO L87 Difference]: Start difference. First operand 123 states and 181 transitions. Second operand has 15 states, 15 states have (on average 2.6) internal successors, (39), 15 states have internal predecessors, (39), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 19:52:45,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:52:45,074 INFO L93 Difference]: Finished difference Result 306 states and 433 transitions. [2024-11-08 19:52:45,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 19:52:45,076 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.6) internal successors, (39), 15 states have internal predecessors, (39), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 191 [2024-11-08 19:52:45,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:52:45,078 INFO L225 Difference]: With dead ends: 306 [2024-11-08 19:52:45,078 INFO L226 Difference]: Without dead ends: 186 [2024-11-08 19:52:45,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=172, Invalid=478, Unknown=0, NotChecked=0, Total=650 [2024-11-08 19:52:45,080 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 191 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 19:52:45,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 678 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 19:52:45,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-08 19:52:45,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 133. [2024-11-08 19:52:45,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 91 states have (on average 1.2857142857142858) internal successors, (117), 92 states have internal predecessors, (117), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 38 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-08 19:52:45,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 195 transitions. [2024-11-08 19:52:45,093 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 195 transitions. Word has length 191 [2024-11-08 19:52:45,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:52:45,094 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 195 transitions. [2024-11-08 19:52:45,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.6) internal successors, (39), 15 states have internal predecessors, (39), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 19:52:45,094 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 195 transitions. [2024-11-08 19:52:45,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-08 19:52:45,096 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:52:45,096 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:52:45,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 19:52:45,097 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:52:45,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:52:45,097 INFO L85 PathProgramCache]: Analyzing trace with hash -464936843, now seen corresponding path program 1 times [2024-11-08 19:52:45,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:52:45,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192064400] [2024-11-08 19:52:45,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:52:45,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:52:45,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:55,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:52:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:55,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 19:52:55,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:55,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 19:52:55,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:55,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 19:52:55,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:55,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 19:52:55,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:55,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 19:52:55,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:55,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 19:52:55,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:55,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 19:52:55,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:55,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 19:52:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:55,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 19:52:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:55,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 19:52:55,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:55,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:52:55,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:55,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:52:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:55,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 19:52:55,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:55,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 19:52:55,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:55,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 19:52:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:55,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 19:52:55,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:55,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 19:52:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:55,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 19:52:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:55,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 19:52:55,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:55,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 19:52:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:55,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 19:52:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:55,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-08 19:52:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:55,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 19:52:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:55,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-08 19:52:55,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:55,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 19:52:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:55,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-08 19:52:55,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:55,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 19:52:55,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:55,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-08 19:52:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:55,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 19:52:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:55,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-08 19:52:55,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:52:55,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 19:52:55,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:52:55,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192064400] [2024-11-08 19:52:55,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192064400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:52:55,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:52:55,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-08 19:52:55,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720232518] [2024-11-08 19:52:55,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:52:55,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 19:52:55,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:52:55,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 19:52:55,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-11-08 19:52:55,784 INFO L87 Difference]: Start difference. First operand 133 states and 195 transitions. Second operand has 15 states, 15 states have (on average 2.6) internal successors, (39), 15 states have internal predecessors, (39), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 19:53:01,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:53:01,922 INFO L93 Difference]: Finished difference Result 196 states and 264 transitions. [2024-11-08 19:53:01,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 19:53:01,923 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.6) internal successors, (39), 15 states have internal predecessors, (39), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 191 [2024-11-08 19:53:01,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:53:01,924 INFO L225 Difference]: With dead ends: 196 [2024-11-08 19:53:01,925 INFO L226 Difference]: Without dead ends: 194 [2024-11-08 19:53:01,925 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=230, Invalid=700, Unknown=0, NotChecked=0, Total=930 [2024-11-08 19:53:01,926 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 194 mSDsluCounter, 748 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 853 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:53:01,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 853 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-08 19:53:01,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-08 19:53:01,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 140. [2024-11-08 19:53:01,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 98 states have (on average 1.2959183673469388) internal successors, (127), 99 states have internal predecessors, (127), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 38 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-08 19:53:01,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 205 transitions. [2024-11-08 19:53:01,951 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 205 transitions. Word has length 191 [2024-11-08 19:53:01,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:53:01,951 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 205 transitions. [2024-11-08 19:53:01,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.6) internal successors, (39), 15 states have internal predecessors, (39), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 19:53:01,952 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 205 transitions. [2024-11-08 19:53:01,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-08 19:53:01,954 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:53:01,954 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:53:01,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 19:53:01,954 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:53:01,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:53:01,955 INFO L85 PathProgramCache]: Analyzing trace with hash -407678541, now seen corresponding path program 1 times [2024-11-08 19:53:01,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:53:01,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660301818] [2024-11-08 19:53:01,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:53:01,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:53:02,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat