./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-64.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-64.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 f28c6e39e7c9acbcbeaefe28cdbb3f08f78e3f387cf9ac751f49bf5d9fb6ae78 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 02:41:51,953 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 02:41:52,006 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 02:41:52,009 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 02:41:52,010 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 02:41:52,037 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 02:41:52,038 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 02:41:52,038 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 02:41:52,039 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 02:41:52,040 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 02:41:52,041 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 02:41:52,041 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 02:41:52,041 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 02:41:52,042 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 02:41:52,042 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 02:41:52,045 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 02:41:52,045 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 02:41:52,045 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 02:41:52,045 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 02:41:52,045 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 02:41:52,046 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 02:41:52,046 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 02:41:52,046 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 02:41:52,046 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 02:41:52,046 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 02:41:52,047 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 02:41:52,047 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 02:41:52,047 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 02:41:52,047 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 02:41:52,047 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 02:41:52,047 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 02:41:52,048 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 02:41:52,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 02:41:52,048 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 02:41:52,048 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 02:41:52,048 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 02:41:52,048 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 02:41:52,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 02:41:52,049 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 02:41:52,049 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 02:41:52,050 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 02:41:52,051 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 02:41:52,051 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f28c6e39e7c9acbcbeaefe28cdbb3f08f78e3f387cf9ac751f49bf5d9fb6ae78 [2024-11-20 02:41:52,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 02:41:52,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 02:41:52,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 02:41:52,307 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 02:41:52,307 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 02:41:52,308 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-64.i [2024-11-20 02:41:53,741 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 02:41:53,930 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 02:41:53,930 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-64.i [2024-11-20 02:41:53,937 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/661acab4c/40396a0c8f134bcaa76cce6b13d53b17/FLAGc9d8bf247 [2024-11-20 02:41:54,326 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/661acab4c/40396a0c8f134bcaa76cce6b13d53b17 [2024-11-20 02:41:54,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 02:41:54,331 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 02:41:54,331 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 02:41:54,332 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 02:41:54,336 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 02:41:54,336 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:41:54" (1/1) ... [2024-11-20 02:41:54,337 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69c9c667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:41:54, skipping insertion in model container [2024-11-20 02:41:54,337 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:41:54" (1/1) ... [2024-11-20 02:41:54,358 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 02:41:54,521 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-64.i[917,930] [2024-11-20 02:41:54,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 02:41:54,609 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 02:41:54,633 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-64.i[917,930] [2024-11-20 02:41:54,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 02:41:54,694 INFO L204 MainTranslator]: Completed translation [2024-11-20 02:41:54,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:41:54 WrapperNode [2024-11-20 02:41:54,695 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 02:41:54,696 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 02:41:54,697 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 02:41:54,697 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 02:41:54,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:41:54" (1/1) ... [2024-11-20 02:41:54,710 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:41:54" (1/1) ... [2024-11-20 02:41:54,745 INFO L138 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 233 [2024-11-20 02:41:54,750 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 02:41:54,750 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 02:41:54,750 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 02:41:54,751 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 02:41:54,759 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:41:54" (1/1) ... [2024-11-20 02:41:54,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:41:54" (1/1) ... [2024-11-20 02:41:54,763 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:41:54" (1/1) ... [2024-11-20 02:41:54,784 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]. [2024-11-20 02:41:54,787 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:41:54" (1/1) ... [2024-11-20 02:41:54,787 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:41:54" (1/1) ... [2024-11-20 02:41:54,795 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:41:54" (1/1) ... [2024-11-20 02:41:54,798 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:41:54" (1/1) ... [2024-11-20 02:41:54,802 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:41:54" (1/1) ... [2024-11-20 02:41:54,803 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:41:54" (1/1) ... [2024-11-20 02:41:54,808 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 02:41:54,809 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 02:41:54,809 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 02:41:54,809 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 02:41:54,810 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:41:54" (1/1) ... [2024-11-20 02:41:54,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 02:41:54,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 02:41:54,841 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) [2024-11-20 02:41:54,851 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 [2024-11-20 02:41:54,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 02:41:54,900 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 02:41:54,901 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 02:41:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 02:41:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 02:41:54,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 02:41:54,963 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 02:41:54,965 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 02:41:55,212 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-20 02:41:55,213 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 02:41:55,223 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 02:41:55,224 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 02:41:55,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:41:55 BoogieIcfgContainer [2024-11-20 02:41:55,224 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 02:41:55,226 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 02:41:55,226 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 02:41:55,228 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 02:41:55,229 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 02:41:54" (1/3) ... [2024-11-20 02:41:55,229 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e966305 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:41:55, skipping insertion in model container [2024-11-20 02:41:55,229 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:41:54" (2/3) ... [2024-11-20 02:41:55,230 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e966305 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 02:41:55, skipping insertion in model container [2024-11-20 02:41:55,230 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:41:55" (3/3) ... [2024-11-20 02:41:55,231 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-64.i [2024-11-20 02:41:55,243 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 02:41:55,244 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 02:41:55,290 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 02:41:55,295 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;@338e48a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 02:41:55,296 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 02:41:55,300 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 57 states have (on average 1.2982456140350878) internal successors, (74), 58 states have internal predecessors, (74), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-20 02:41:55,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-20 02:41:55,314 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:41:55,315 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:41:55,315 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:41:55,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:41:55,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1327010774, now seen corresponding path program 1 times [2024-11-20 02:41:55,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:41:55,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285044578] [2024-11-20 02:41:55,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:41:55,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:41:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:41:55,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:41:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:41:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:41:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:41:55,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:41:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:41:55,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:41:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:41:55,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:41:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 02:41:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:41:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 02:41:55,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 02:41:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 02:41:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 02:41:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 02:41:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 02:41:55,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 02:41:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 02:41:55,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 02:41:55,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 02:41:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 02:41:55,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 02:41:55,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 02:41:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 02:41:55,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 02:41:55,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 02:41:55,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 02:41:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 02:41:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 02:41:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 02:41:55,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 02:41:55,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 02:41:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 02:41:55,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 02:41:55,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 02:41:55,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 02:41:55,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-20 02:41:55,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 02:41:55,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-20 02:41:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 02:41:55,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-20 02:41:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 02:41:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:55,929 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-20 02:41:55,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:41:55,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285044578] [2024-11-20 02:41:55,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285044578] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:41:55,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:41:55,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 02:41:55,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387902566] [2024-11-20 02:41:55,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:41:55,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 02:41:55,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:41:55,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 02:41:55,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 02:41:55,983 INFO L87 Difference]: Start difference. First operand has 104 states, 57 states have (on average 1.2982456140350878) internal successors, (74), 58 states have internal predecessors, (74), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) [2024-11-20 02:41:56,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:41:56,022 INFO L93 Difference]: Finished difference Result 201 states and 362 transitions. [2024-11-20 02:41:56,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 02:41:56,025 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) Word has length 264 [2024-11-20 02:41:56,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:41:56,032 INFO L225 Difference]: With dead ends: 201 [2024-11-20 02:41:56,033 INFO L226 Difference]: Without dead ends: 100 [2024-11-20 02:41:56,036 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 02:41:56,040 INFO L432 NwaCegarLoop]: 155 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, 155 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 [2024-11-20 02:41:56,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 02:41:56,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-20 02:41:56,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2024-11-20 02:41:56,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 54 states have (on average 1.2407407407407407) internal successors, (67), 54 states have internal predecessors, (67), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-20 02:41:56,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 155 transitions. [2024-11-20 02:41:56,099 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 155 transitions. Word has length 264 [2024-11-20 02:41:56,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:41:56,100 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 155 transitions. [2024-11-20 02:41:56,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) [2024-11-20 02:41:56,100 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 155 transitions. [2024-11-20 02:41:56,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-20 02:41:56,104 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:41:56,104 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:41:56,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 02:41:56,105 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:41:56,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:41:56,105 INFO L85 PathProgramCache]: Analyzing trace with hash -772451286, now seen corresponding path program 1 times [2024-11-20 02:41:56,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:41:56,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314866072] [2024-11-20 02:41:56,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:41:56,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:41:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:41:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:41:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:41:56,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:41:56,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:41:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:41:56,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:41:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:41:56,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:41:56,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:41:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 02:41:56,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:41:56,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 02:41:56,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 02:41:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 02:41:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 02:41:56,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 02:41:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 02:41:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 02:41:56,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 02:41:56,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 02:41:56,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 02:41:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 02:41:56,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 02:41:56,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 02:41:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 02:41:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 02:41:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 02:41:56,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 02:41:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 02:41:56,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 02:41:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 02:41:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 02:41:56,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 02:41:56,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 02:41:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 02:41:56,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 02:41:56,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 02:41:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-20 02:41:56,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 02:41:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-20 02:41:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 02:41:56,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-20 02:41:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 02:41:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:56,727 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-20 02:41:56,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:41:56,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314866072] [2024-11-20 02:41:56,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314866072] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:41:56,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:41:56,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 02:41:56,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407170660] [2024-11-20 02:41:56,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:41:56,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 02:41:56,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:41:56,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 02:41:56,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 02:41:56,735 INFO L87 Difference]: Start difference. First operand 100 states and 155 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-20 02:41:56,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:41:56,931 INFO L93 Difference]: Finished difference Result 245 states and 373 transitions. [2024-11-20 02:41:56,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 02:41:56,933 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 264 [2024-11-20 02:41:56,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:41:56,938 INFO L225 Difference]: With dead ends: 245 [2024-11-20 02:41:56,939 INFO L226 Difference]: Without dead ends: 148 [2024-11-20 02:41:56,940 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 02:41:56,945 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 55 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 02:41:56,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 541 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 02:41:56,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-20 02:41:56,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 113. [2024-11-20 02:41:56,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 67 states have (on average 1.2985074626865671) internal successors, (87), 67 states have internal predecessors, (87), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-20 02:41:56,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 175 transitions. [2024-11-20 02:41:56,956 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 175 transitions. Word has length 264 [2024-11-20 02:41:56,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:41:56,958 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 175 transitions. [2024-11-20 02:41:56,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-20 02:41:56,958 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 175 transitions. [2024-11-20 02:41:56,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-20 02:41:56,960 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:41:56,960 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:41:56,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 02:41:56,961 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:41:56,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:41:56,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1793519640, now seen corresponding path program 1 times [2024-11-20 02:41:56,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:41:56,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627576398] [2024-11-20 02:41:56,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:41:56,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:41:56,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:41:57,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:41:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:41:57,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:41:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:41:57,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:41:57,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:41:57,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:41:57,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:41:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:41:57,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 02:41:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:41:57,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 02:41:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 02:41:57,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 02:41:57,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 02:41:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 02:41:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 02:41:57,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 02:41:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 02:41:57,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 02:41:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 02:41:57,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 02:41:57,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 02:41:57,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 02:41:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 02:41:57,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 02:41:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 02:41:57,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 02:41:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 02:41:57,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 02:41:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 02:41:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 02:41:57,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 02:41:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 02:41:57,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 02:41:57,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 02:41:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 02:41:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-20 02:41:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 02:41:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-20 02:41:57,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 02:41:57,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-20 02:41:57,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 02:41:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:57,971 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-20 02:41:57,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:41:57,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627576398] [2024-11-20 02:41:57,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627576398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:41:57,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:41:57,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 02:41:57,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337059938] [2024-11-20 02:41:57,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:41:57,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 02:41:57,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:41:57,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 02:41:57,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 02:41:57,976 INFO L87 Difference]: Start difference. First operand 113 states and 175 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-20 02:41:58,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:41:58,197 INFO L93 Difference]: Finished difference Result 258 states and 392 transitions. [2024-11-20 02:41:58,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 02:41:58,198 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 264 [2024-11-20 02:41:58,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:41:58,200 INFO L225 Difference]: With dead ends: 258 [2024-11-20 02:41:58,200 INFO L226 Difference]: Without dead ends: 148 [2024-11-20 02:41:58,200 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 02:41:58,201 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 54 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 02:41:58,201 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 570 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 02:41:58,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-20 02:41:58,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 113. [2024-11-20 02:41:58,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 67 states have (on average 1.2985074626865671) internal successors, (87), 67 states have internal predecessors, (87), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-20 02:41:58,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 175 transitions. [2024-11-20 02:41:58,210 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 175 transitions. Word has length 264 [2024-11-20 02:41:58,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:41:58,210 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 175 transitions. [2024-11-20 02:41:58,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-20 02:41:58,211 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 175 transitions. [2024-11-20 02:41:58,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-20 02:41:58,213 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:41:58,213 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:41:58,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 02:41:58,213 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:41:58,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:41:58,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1674785578, now seen corresponding path program 1 times [2024-11-20 02:41:58,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:41:58,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51828895] [2024-11-20 02:41:58,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:41:58,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:41:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:41:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:41:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:41:58,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:41:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:41:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:41:58,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:41:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:41:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:41:58,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:41:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 02:41:58,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:41:58,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 02:41:58,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 02:41:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 02:41:58,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 02:41:58,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 02:41:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 02:41:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 02:41:58,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 02:41:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 02:41:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 02:41:58,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 02:41:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 02:41:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 02:41:58,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 02:41:58,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 02:41:58,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 02:41:58,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 02:41:58,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 02:41:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 02:41:58,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 02:41:58,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 02:41:58,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 02:41:58,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 02:41:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 02:41:58,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 02:41:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 02:41:58,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-20 02:41:58,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 02:41:58,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-20 02:41:58,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 02:41:58,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-20 02:41:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 02:41:58,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,456 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-20 02:41:58,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:41:58,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51828895] [2024-11-20 02:41:58,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51828895] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:41:58,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:41:58,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 02:41:58,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352167715] [2024-11-20 02:41:58,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:41:58,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 02:41:58,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:41:58,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 02:41:58,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 02:41:58,458 INFO L87 Difference]: Start difference. First operand 113 states and 175 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-20 02:41:58,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:41:58,531 INFO L93 Difference]: Finished difference Result 258 states and 392 transitions. [2024-11-20 02:41:58,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 02:41:58,531 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 264 [2024-11-20 02:41:58,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:41:58,533 INFO L225 Difference]: With dead ends: 258 [2024-11-20 02:41:58,533 INFO L226 Difference]: Without dead ends: 148 [2024-11-20 02:41:58,534 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 02:41:58,535 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 72 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 02:41:58,535 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 493 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 02:41:58,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-20 02:41:58,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 113. [2024-11-20 02:41:58,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 67 states have (on average 1.2985074626865671) internal successors, (87), 67 states have internal predecessors, (87), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-20 02:41:58,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 175 transitions. [2024-11-20 02:41:58,542 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 175 transitions. Word has length 264 [2024-11-20 02:41:58,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:41:58,543 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 175 transitions. [2024-11-20 02:41:58,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-20 02:41:58,543 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 175 transitions. [2024-11-20 02:41:58,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-20 02:41:58,545 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:41:58,545 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:41:58,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 02:41:58,545 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:41:58,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:41:58,546 INFO L85 PathProgramCache]: Analyzing trace with hash 653717224, now seen corresponding path program 1 times [2024-11-20 02:41:58,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:41:58,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106069655] [2024-11-20 02:41:58,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:41:58,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:41:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 02:41:58,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 02:41:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 02:41:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 02:41:58,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 02:41:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 02:41:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 02:41:58,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 02:41:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 02:41:58,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 02:41:58,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 02:41:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 02:41:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 02:41:58,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 02:41:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 02:41:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 02:41:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 02:41:58,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 02:41:58,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 02:41:58,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 02:41:58,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 02:41:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 02:41:58,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 02:41:58,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 02:41:58,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 02:41:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 02:41:58,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 02:41:58,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 02:41:58,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 02:41:58,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 02:41:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 02:41:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 02:41:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 02:41:58,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 02:41:58,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 02:41:58,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-20 02:41:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 02:41:58,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-20 02:41:58,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-20 02:41:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-20 02:41:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-20 02:41:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-20 02:41:58,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-20 02:41:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-20 02:41:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 02:41:58,808 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-20 02:41:58,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 02:41:58,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106069655] [2024-11-20 02:41:58,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106069655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 02:41:58,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 02:41:58,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 02:41:58,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034296264] [2024-11-20 02:41:58,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 02:41:58,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 02:41:58,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 02:41:58,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 02:41:58,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 02:41:58,810 INFO L87 Difference]: Start difference. First operand 113 states and 175 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-20 02:41:58,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 02:41:58,888 INFO L93 Difference]: Finished difference Result 258 states and 391 transitions. [2024-11-20 02:41:58,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 02:41:58,888 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 264 [2024-11-20 02:41:58,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 02:41:58,890 INFO L225 Difference]: With dead ends: 258 [2024-11-20 02:41:58,890 INFO L226 Difference]: Without dead ends: 148 [2024-11-20 02:41:58,890 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 02:41:58,891 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 56 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 02:41:58,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 543 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 02:41:58,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-20 02:41:58,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 100. [2024-11-20 02:41:58,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 54 states have (on average 1.2222222222222223) internal successors, (66), 54 states have internal predecessors, (66), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-20 02:41:58,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 154 transitions. [2024-11-20 02:41:58,897 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 154 transitions. Word has length 264 [2024-11-20 02:41:58,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 02:41:58,898 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 154 transitions. [2024-11-20 02:41:58,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-20 02:41:58,898 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 154 transitions. [2024-11-20 02:41:58,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-11-20 02:41:58,900 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 02:41:58,900 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 02:41:58,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 02:41:58,900 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 02:41:58,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 02:41:58,900 INFO L85 PathProgramCache]: Analyzing trace with hash 155202213, now seen corresponding path program 1 times [2024-11-20 02:41:58,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 02:41:58,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047585524] [2024-11-20 02:41:58,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 02:41:58,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 02:41:58,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat