./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-14.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-14.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 a72044eca37c9344cf7356219da330f9c945a1c22555364502c74c325db2c27b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 09:12:52,762 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 09:12:52,845 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 09:12:52,851 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 09:12:52,853 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 09:12:52,887 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 09:12:52,889 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 09:12:52,890 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 09:12:52,891 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 09:12:52,892 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 09:12:52,892 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 09:12:52,893 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 09:12:52,893 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 09:12:52,894 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 09:12:52,896 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 09:12:52,896 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 09:12:52,897 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 09:12:52,897 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 09:12:52,897 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 09:12:52,897 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 09:12:52,898 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 09:12:52,902 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 09:12:52,903 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 09:12:52,903 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 09:12:52,903 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 09:12:52,903 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 09:12:52,904 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 09:12:52,904 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 09:12:52,904 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 09:12:52,904 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 09:12:52,905 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 09:12:52,905 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 09:12:52,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 09:12:52,905 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 09:12:52,906 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 09:12:52,906 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 09:12:52,906 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 09:12:52,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 09:12:52,907 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 09:12:52,907 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 09:12:52,907 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 09:12:52,908 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 09:12:52,908 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a72044eca37c9344cf7356219da330f9c945a1c22555364502c74c325db2c27b [2024-10-24 09:12:53,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 09:12:53,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 09:12:53,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 09:12:53,189 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 09:12:53,189 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 09:12:53,190 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-14.i [2024-10-24 09:12:54,612 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 09:12:54,813 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 09:12:54,813 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-14.i [2024-10-24 09:12:54,822 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c3304fd9/502fa381ab6e4aa298561c38bb51552c/FLAGdf62039ea [2024-10-24 09:12:55,185 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c3304fd9/502fa381ab6e4aa298561c38bb51552c [2024-10-24 09:12:55,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 09:12:55,189 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 09:12:55,191 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 09:12:55,191 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 09:12:55,196 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 09:12:55,196 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:12:55" (1/1) ... [2024-10-24 09:12:55,199 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@397d3bd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:12:55, skipping insertion in model container [2024-10-24 09:12:55,200 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:12:55" (1/1) ... [2024-10-24 09:12:55,238 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 09:12:55,418 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-14.i[916,929] [2024-10-24 09:12:55,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 09:12:55,510 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 09:12:55,520 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-14.i[916,929] [2024-10-24 09:12:55,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 09:12:55,590 INFO L204 MainTranslator]: Completed translation [2024-10-24 09:12:55,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:12:55 WrapperNode [2024-10-24 09:12:55,591 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 09:12:55,592 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 09:12:55,593 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 09:12:55,593 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 09:12:55,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:12:55" (1/1) ... [2024-10-24 09:12:55,612 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:12:55" (1/1) ... [2024-10-24 09:12:55,669 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 277 [2024-10-24 09:12:55,670 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 09:12:55,671 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 09:12:55,672 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 09:12:55,672 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 09:12:55,680 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:12:55" (1/1) ... [2024-10-24 09:12:55,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:12:55" (1/1) ... [2024-10-24 09:12:55,686 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:12:55" (1/1) ... [2024-10-24 09:12:55,722 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 09:12:55,722 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:12:55" (1/1) ... [2024-10-24 09:12:55,723 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:12:55" (1/1) ... [2024-10-24 09:12:55,775 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:12:55" (1/1) ... [2024-10-24 09:12:55,781 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:12:55" (1/1) ... [2024-10-24 09:12:55,784 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:12:55" (1/1) ... [2024-10-24 09:12:55,787 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:12:55" (1/1) ... [2024-10-24 09:12:55,792 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 09:12:55,793 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 09:12:55,793 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 09:12:55,793 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 09:12:55,794 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:12:55" (1/1) ... [2024-10-24 09:12:55,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 09:12:55,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 09:12:55,854 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 09:12:55,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 09:12:55,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 09:12:55,899 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 09:12:55,900 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 09:12:55,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 09:12:55,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 09:12:55,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 09:12:55,979 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 09:12:55,981 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 09:12:56,514 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-10-24 09:12:56,514 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 09:12:56,554 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 09:12:56,554 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 09:12:56,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:12:56 BoogieIcfgContainer [2024-10-24 09:12:56,555 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 09:12:56,558 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 09:12:56,558 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 09:12:56,561 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 09:12:56,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:12:55" (1/3) ... [2024-10-24 09:12:56,563 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b95687b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:12:56, skipping insertion in model container [2024-10-24 09:12:56,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:12:55" (2/3) ... [2024-10-24 09:12:56,564 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b95687b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:12:56, skipping insertion in model container [2024-10-24 09:12:56,564 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:12:56" (3/3) ... [2024-10-24 09:12:56,566 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-14.i [2024-10-24 09:12:56,583 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 09:12:56,583 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 09:12:56,648 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 09:12:56,654 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;@47b5aa5b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 09:12:56,655 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 09:12:56,659 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 75 states have (on average 1.5066666666666666) internal successors, (113), 76 states have internal predecessors, (113), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-24 09:12:56,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-10-24 09:12:56,678 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:12:56,679 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:12:56,680 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:12:56,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:12:56,686 INFO L85 PathProgramCache]: Analyzing trace with hash -200439670, now seen corresponding path program 1 times [2024-10-24 09:12:56,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:12:56,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304380545] [2024-10-24 09:12:56,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:12:56,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:12:56,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:57,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 09:12:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:57,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 09:12:57,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:57,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 09:12:57,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:57,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 09:12:57,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:57,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 09:12:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:57,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 09:12:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:57,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 09:12:57,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:57,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 09:12:57,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:57,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 09:12:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:57,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 09:12:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:57,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 09:12:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:57,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 09:12:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:57,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 09:12:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:57,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 09:12:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:57,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 09:12:57,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:57,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 09:12:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:57,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 09:12:57,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:57,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 09:12:57,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:57,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 09:12:57,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:57,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 09:12:57,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:57,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 09:12:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:57,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 09:12:57,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:57,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 09:12:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:57,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 09:12:57,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:57,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 09:12:57,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:57,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 09:12:57,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:57,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 09:12:57,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:57,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 09:12:57,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:57,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 09:12:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:57,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 09:12:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:57,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 09:12:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:57,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 09:12:57,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 09:12:57,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304380545] [2024-10-24 09:12:57,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304380545] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 09:12:57,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 09:12:57,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 09:12:57,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115340784] [2024-10-24 09:12:57,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 09:12:57,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 09:12:57,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 09:12:57,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 09:12:57,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 09:12:57,323 INFO L87 Difference]: Start difference. First operand has 109 states, 75 states have (on average 1.5066666666666666) internal successors, (113), 76 states have internal predecessors, (113), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-24 09:12:57,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:12:57,381 INFO L93 Difference]: Finished difference Result 214 states and 377 transitions. [2024-10-24 09:12:57,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 09:12:57,386 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 198 [2024-10-24 09:12:57,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:12:57,396 INFO L225 Difference]: With dead ends: 214 [2024-10-24 09:12:57,396 INFO L226 Difference]: Without dead ends: 106 [2024-10-24 09:12:57,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 09:12:57,403 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 09:12:57,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 164 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 09:12:57,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-10-24 09:12:57,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2024-10-24 09:12:57,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 73 states have (on average 1.4383561643835616) internal successors, (105), 73 states have internal predecessors, (105), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-24 09:12:57,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 167 transitions. [2024-10-24 09:12:57,452 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 167 transitions. Word has length 198 [2024-10-24 09:12:57,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:12:57,452 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 167 transitions. [2024-10-24 09:12:57,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-10-24 09:12:57,453 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 167 transitions. [2024-10-24 09:12:57,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-10-24 09:12:57,457 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:12:57,457 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:12:57,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 09:12:57,457 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:12:57,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:12:57,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1829634680, now seen corresponding path program 1 times [2024-10-24 09:12:57,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:12:57,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297180862] [2024-10-24 09:12:57,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:12:57,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:12:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:58,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 09:12:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:58,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 09:12:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:58,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 09:12:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:58,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 09:12:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:58,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 09:12:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:58,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 09:12:58,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:58,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 09:12:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:58,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 09:12:58,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:58,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 09:12:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:58,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 09:12:58,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:58,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 09:12:58,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:58,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 09:12:58,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:58,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 09:12:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:58,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 09:12:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:58,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 09:12:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:58,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 09:12:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:58,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 09:12:58,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:58,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 09:12:58,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:58,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 09:12:58,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:58,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 09:12:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:58,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 09:12:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:58,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 09:12:58,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:58,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 09:12:58,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:58,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 09:12:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:58,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 09:12:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:58,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 09:12:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:58,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 09:12:58,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:58,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 09:12:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:58,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 09:12:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:58,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 09:12:58,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:58,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 09:12:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:12:58,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 09:12:58,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 09:12:58,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297180862] [2024-10-24 09:12:58,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297180862] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 09:12:58,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 09:12:58,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 09:12:58,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120145002] [2024-10-24 09:12:58,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 09:12:58,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 09:12:58,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 09:12:58,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 09:12:58,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 09:12:58,128 INFO L87 Difference]: Start difference. First operand 106 states and 167 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 09:12:58,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:12:58,203 INFO L93 Difference]: Finished difference Result 212 states and 335 transitions. [2024-10-24 09:12:58,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 09:12:58,204 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 198 [2024-10-24 09:12:58,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:12:58,207 INFO L225 Difference]: With dead ends: 212 [2024-10-24 09:12:58,207 INFO L226 Difference]: Without dead ends: 107 [2024-10-24 09:12:58,208 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 09:12:58,209 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 4 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 09:12:58,209 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 628 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 09:12:58,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-10-24 09:12:58,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2024-10-24 09:12:58,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 74 states have (on average 1.4324324324324325) internal successors, (106), 74 states have internal predecessors, (106), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-24 09:12:58,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 168 transitions. [2024-10-24 09:12:58,222 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 168 transitions. Word has length 198 [2024-10-24 09:12:58,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:12:58,228 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 168 transitions. [2024-10-24 09:12:58,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 09:12:58,228 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 168 transitions. [2024-10-24 09:12:58,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-10-24 09:12:58,235 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:12:58,235 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:12:58,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 09:12:58,236 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:12:58,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:12:58,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1884229100, now seen corresponding path program 1 times [2024-10-24 09:12:58,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:12:58,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632575537] [2024-10-24 09:12:58,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:12:58,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:12:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:04,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 09:13:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:04,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 09:13:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:04,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 09:13:04,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:04,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 09:13:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:04,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 09:13:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:04,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 09:13:04,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:04,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 09:13:04,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:04,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 09:13:04,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:04,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 09:13:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:04,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 09:13:04,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:04,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 09:13:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:04,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 09:13:04,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:04,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 09:13:04,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:04,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 09:13:04,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:04,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 09:13:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:04,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 09:13:04,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:04,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 09:13:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:04,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 09:13:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:04,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 09:13:04,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:04,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 09:13:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:04,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 09:13:04,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:04,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 09:13:04,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:04,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 09:13:04,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:04,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 09:13:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:04,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 09:13:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:04,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 09:13:04,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:04,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 09:13:04,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:04,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 09:13:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:04,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 09:13:04,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:04,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 09:13:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:04,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 09:13:04,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:04,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 09:13:04,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 09:13:04,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632575537] [2024-10-24 09:13:04,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632575537] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 09:13:04,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 09:13:04,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-24 09:13:04,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323990512] [2024-10-24 09:13:04,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 09:13:04,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 09:13:04,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 09:13:04,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 09:13:04,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-10-24 09:13:04,360 INFO L87 Difference]: Start difference. First operand 107 states and 168 transitions. Second operand has 13 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 13 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 09:13:09,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:13:09,631 INFO L93 Difference]: Finished difference Result 457 states and 705 transitions. [2024-10-24 09:13:09,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 09:13:09,631 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 13 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 199 [2024-10-24 09:13:09,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:13:09,636 INFO L225 Difference]: With dead ends: 457 [2024-10-24 09:13:09,636 INFO L226 Difference]: Without dead ends: 351 [2024-10-24 09:13:09,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=125, Invalid=295, Unknown=0, NotChecked=0, Total=420 [2024-10-24 09:13:09,640 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 769 mSDsluCounter, 764 mSDsCounter, 0 mSdLazyCounter, 1517 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 769 SdHoareTripleChecker+Valid, 896 SdHoareTripleChecker+Invalid, 1535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-10-24 09:13:09,640 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [769 Valid, 896 Invalid, 1535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1517 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-10-24 09:13:09,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2024-10-24 09:13:09,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 248. [2024-10-24 09:13:09,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 180 states have (on average 1.4388888888888889) internal successors, (259), 181 states have internal predecessors, (259), 64 states have call successors, (64), 3 states have call predecessors, (64), 3 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2024-10-24 09:13:09,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 387 transitions. [2024-10-24 09:13:09,702 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 387 transitions. Word has length 199 [2024-10-24 09:13:09,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:13:09,702 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 387 transitions. [2024-10-24 09:13:09,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 13 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 09:13:09,703 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 387 transitions. [2024-10-24 09:13:09,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-10-24 09:13:09,707 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:13:09,707 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:13:09,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 09:13:09,707 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:13:09,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:13:09,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1601391570, now seen corresponding path program 1 times [2024-10-24 09:13:09,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:13:09,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019271526] [2024-10-24 09:13:09,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:13:09,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:13:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:10,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 09:13:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:10,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 09:13:10,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:10,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 09:13:10,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:10,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 09:13:10,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:10,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 09:13:10,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:10,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 09:13:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:10,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 09:13:10,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:10,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 09:13:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:10,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 09:13:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:10,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 09:13:10,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:10,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 09:13:10,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:10,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 09:13:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:10,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 09:13:10,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:10,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 09:13:10,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:10,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 09:13:10,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:10,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 09:13:10,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:10,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 09:13:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:10,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 09:13:10,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:10,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 09:13:10,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:10,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 09:13:10,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:10,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 09:13:10,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:10,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 09:13:10,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:10,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 09:13:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:10,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 09:13:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:10,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 09:13:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:10,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 09:13:10,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:10,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 09:13:10,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:10,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 09:13:10,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:10,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 09:13:10,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:10,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 09:13:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:10,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 09:13:10,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:10,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 09:13:10,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 09:13:10,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019271526] [2024-10-24 09:13:10,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019271526] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 09:13:10,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 09:13:10,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 09:13:10,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615812260] [2024-10-24 09:13:10,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 09:13:10,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 09:13:10,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 09:13:10,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 09:13:10,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 09:13:10,637 INFO L87 Difference]: Start difference. First operand 248 states and 387 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 09:13:10,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:13:10,845 INFO L93 Difference]: Finished difference Result 497 states and 772 transitions. [2024-10-24 09:13:10,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 09:13:10,846 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 199 [2024-10-24 09:13:10,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:13:10,849 INFO L225 Difference]: With dead ends: 497 [2024-10-24 09:13:10,866 INFO L226 Difference]: Without dead ends: 253 [2024-10-24 09:13:10,867 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 09:13:10,869 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 71 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 09:13:10,869 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 487 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 09:13:10,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-10-24 09:13:10,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 221. [2024-10-24 09:13:10,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 152 states have (on average 1.388157894736842) internal successors, (211), 153 states have internal predecessors, (211), 64 states have call successors, (64), 4 states have call predecessors, (64), 4 states have return successors, (64), 63 states have call predecessors, (64), 64 states have call successors, (64) [2024-10-24 09:13:10,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 339 transitions. [2024-10-24 09:13:10,905 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 339 transitions. Word has length 199 [2024-10-24 09:13:10,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:13:10,908 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 339 transitions. [2024-10-24 09:13:10,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 09:13:10,908 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 339 transitions. [2024-10-24 09:13:10,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-10-24 09:13:10,912 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:13:10,912 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:13:10,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 09:13:10,913 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:13:10,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:13:10,913 INFO L85 PathProgramCache]: Analyzing trace with hash -619726695, now seen corresponding path program 1 times [2024-10-24 09:13:10,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:13:10,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880861577] [2024-10-24 09:13:10,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:13:10,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:13:11,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:58,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 09:13:58,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:58,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 09:13:58,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:58,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 09:13:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:58,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 09:13:58,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:58,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 09:13:58,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:58,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 09:13:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:58,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 09:13:58,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:58,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 09:13:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:58,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 09:13:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:58,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 09:13:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:58,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 09:13:58,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:58,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 09:13:58,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:58,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-24 09:13:58,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:58,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 09:13:58,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:58,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-24 09:13:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:58,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 09:13:58,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:58,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-24 09:13:58,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:58,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-24 09:13:58,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:58,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-24 09:13:58,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:59,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-24 09:13:59,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:59,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-24 09:13:59,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:59,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-24 09:13:59,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:59,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-24 09:13:59,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:59,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-24 09:13:59,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:59,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 09:13:59,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:59,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-24 09:13:59,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:59,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-24 09:13:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:59,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-24 09:13:59,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:59,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-24 09:13:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:59,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-24 09:13:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:59,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-24 09:13:59,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 09:13:59,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-24 09:13:59,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 09:13:59,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880861577] [2024-10-24 09:13:59,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880861577] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 09:13:59,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 09:13:59,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-24 09:13:59,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463356272] [2024-10-24 09:13:59,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 09:13:59,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-24 09:13:59,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 09:13:59,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-24 09:13:59,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2024-10-24 09:13:59,090 INFO L87 Difference]: Start difference. First operand 221 states and 339 transitions. Second operand has 15 states, 15 states have (on average 3.2666666666666666) internal successors, (49), 15 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 09:14:07,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 09:14:07,724 INFO L93 Difference]: Finished difference Result 879 states and 1318 transitions. [2024-10-24 09:14:07,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 09:14:07,727 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.2666666666666666) internal successors, (49), 15 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 201 [2024-10-24 09:14:07,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 09:14:07,735 INFO L225 Difference]: With dead ends: 879 [2024-10-24 09:14:07,735 INFO L226 Difference]: Without dead ends: 662 [2024-10-24 09:14:07,737 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=148, Invalid=272, Unknown=0, NotChecked=0, Total=420 [2024-10-24 09:14:07,738 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 581 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 983 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 845 SdHoareTripleChecker+Invalid, 987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 983 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-10-24 09:14:07,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 845 Invalid, 987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 983 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2024-10-24 09:14:07,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2024-10-24 09:14:07,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 419. [2024-10-24 09:14:07,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 320 states have (on average 1.421875) internal successors, (455), 323 states have internal predecessors, (455), 90 states have call successors, (90), 8 states have call predecessors, (90), 8 states have return successors, (90), 87 states have call predecessors, (90), 90 states have call successors, (90) [2024-10-24 09:14:07,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 635 transitions. [2024-10-24 09:14:07,785 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 635 transitions. Word has length 201 [2024-10-24 09:14:07,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 09:14:07,786 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 635 transitions. [2024-10-24 09:14:07,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.2666666666666666) internal successors, (49), 15 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-24 09:14:07,786 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 635 transitions. [2024-10-24 09:14:07,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-10-24 09:14:07,788 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 09:14:07,789 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 09:14:07,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 09:14:07,789 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 09:14:07,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 09:14:07,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1012753705, now seen corresponding path program 1 times [2024-10-24 09:14:07,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 09:14:07,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352005001] [2024-10-24 09:14:07,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 09:14:07,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 09:14:07,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat