./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-64.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-64.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 45420889077ced7b92ba4aa4cf0c8c240620d43618f314303770c822b9d61b59 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 07:32:22,413 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 07:32:22,490 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 07:32:22,498 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 07:32:22,499 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 07:32:22,530 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 07:32:22,531 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 07:32:22,531 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 07:32:22,532 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 07:32:22,532 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 07:32:22,532 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 07:32:22,533 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 07:32:22,534 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 07:32:22,538 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 07:32:22,538 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 07:32:22,538 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 07:32:22,539 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 07:32:22,539 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 07:32:22,539 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 07:32:22,539 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 07:32:22,540 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 07:32:22,540 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 07:32:22,540 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 07:32:22,541 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 07:32:22,541 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 07:32:22,541 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 07:32:22,541 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 07:32:22,542 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 07:32:22,542 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 07:32:22,542 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 07:32:22,542 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 07:32:22,543 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 07:32:22,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 07:32:22,543 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 07:32:22,543 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 07:32:22,544 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 07:32:22,544 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 07:32:22,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 07:32:22,547 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 07:32:22,547 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 07:32:22,548 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 07:32:22,548 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 07:32:22,549 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45420889077ced7b92ba4aa4cf0c8c240620d43618f314303770c822b9d61b59 [2024-10-14 07:32:22,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 07:32:22,843 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 07:32:22,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 07:32:22,848 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 07:32:22,848 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 07:32:22,850 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-64.i [2024-10-14 07:32:24,294 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 07:32:24,504 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 07:32:24,504 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-64.i [2024-10-14 07:32:24,521 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36e8f395f/c52a0d9e369940eab2cabd49927a2191/FLAG4e5d67945 [2024-10-14 07:32:24,536 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36e8f395f/c52a0d9e369940eab2cabd49927a2191 [2024-10-14 07:32:24,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 07:32:24,542 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 07:32:24,543 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 07:32:24,543 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 07:32:24,549 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 07:32:24,550 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:32:24" (1/1) ... [2024-10-14 07:32:24,551 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2142c5b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:32:24, skipping insertion in model container [2024-10-14 07:32:24,554 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:32:24" (1/1) ... [2024-10-14 07:32:24,583 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 07:32:24,757 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_codestructure_normal_file-64.i[913,926] [2024-10-14 07:32:24,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 07:32:24,863 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 07:32:24,880 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_codestructure_normal_file-64.i[913,926] [2024-10-14 07:32:24,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 07:32:24,949 INFO L204 MainTranslator]: Completed translation [2024-10-14 07:32:24,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:32:24 WrapperNode [2024-10-14 07:32:24,950 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 07:32:24,951 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 07:32:24,954 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 07:32:24,954 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 07:32:24,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:32:24" (1/1) ... [2024-10-14 07:32:24,975 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:32:24" (1/1) ... [2024-10-14 07:32:25,032 INFO L138 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 232 [2024-10-14 07:32:25,032 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 07:32:25,033 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 07:32:25,033 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 07:32:25,033 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 07:32:25,044 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:32:24" (1/1) ... [2024-10-14 07:32:25,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:32:24" (1/1) ... [2024-10-14 07:32:25,047 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:32:24" (1/1) ... [2024-10-14 07:32:25,066 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]. [2024-10-14 07:32:25,067 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:32:24" (1/1) ... [2024-10-14 07:32:25,067 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:32:24" (1/1) ... [2024-10-14 07:32:25,073 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:32:24" (1/1) ... [2024-10-14 07:32:25,078 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:32:24" (1/1) ... [2024-10-14 07:32:25,081 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:32:24" (1/1) ... [2024-10-14 07:32:25,082 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:32:24" (1/1) ... [2024-10-14 07:32:25,087 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 07:32:25,088 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 07:32:25,088 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 07:32:25,088 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 07:32:25,089 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:32:24" (1/1) ... [2024-10-14 07:32:25,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 07:32:25,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 07:32:25,127 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) [2024-10-14 07:32:25,130 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 [2024-10-14 07:32:25,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 07:32:25,181 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 07:32:25,182 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 07:32:25,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 07:32:25,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 07:32:25,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 07:32:25,298 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 07:32:25,300 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 07:32:25,640 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-14 07:32:25,640 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 07:32:25,694 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 07:32:25,694 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 07:32:25,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:32:25 BoogieIcfgContainer [2024-10-14 07:32:25,695 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 07:32:25,697 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 07:32:25,697 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 07:32:25,700 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 07:32:25,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:32:24" (1/3) ... [2024-10-14 07:32:25,703 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b658a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:32:25, skipping insertion in model container [2024-10-14 07:32:25,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:32:24" (2/3) ... [2024-10-14 07:32:25,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b658a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:32:25, skipping insertion in model container [2024-10-14 07:32:25,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:32:25" (3/3) ... [2024-10-14 07:32:25,705 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-64.i [2024-10-14 07:32:25,718 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 07:32:25,718 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 07:32:25,789 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 07:32:25,797 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;@13e1e86f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 07:32:25,798 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 07:32:25,804 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 49 states have (on average 1.346938775510204) internal successors, (66), 50 states have internal predecessors, (66), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-14 07:32:25,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-10-14 07:32:25,828 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:32:25,829 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:32:25,830 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:32:25,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:32:25,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1558683084, now seen corresponding path program 1 times [2024-10-14 07:32:25,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:32:25,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606785060] [2024-10-14 07:32:25,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:32:25,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:32:26,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:32:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:32:26,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:32:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:32:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:32:26,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:32:26,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:32:26,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:32:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:32:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:32:26,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:32:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 07:32:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:32:26,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 07:32:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 07:32:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 07:32:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 07:32:26,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 07:32:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 07:32:26,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 07:32:26,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 07:32:26,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 07:32:26,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 07:32:26,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 07:32:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 07:32:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 07:32:26,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 07:32:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 07:32:26,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 07:32:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 07:32:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 07:32:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 07:32:26,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 07:32:26,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-14 07:32:26,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-14 07:32:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 07:32:26,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-14 07:32:26,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-14 07:32:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-14 07:32:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-14 07:32:26,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-14 07:32:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-14 07:32:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-14 07:32:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-14 07:32:26,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:26,546 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-14 07:32:26,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:32:26,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606785060] [2024-10-14 07:32:26,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606785060] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:32:26,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:32:26,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 07:32:26,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061779495] [2024-10-14 07:32:26,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:32:26,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 07:32:26,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:32:26,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 07:32:26,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 07:32:26,580 INFO L87 Difference]: Start difference. First operand has 96 states, 49 states have (on average 1.346938775510204) internal successors, (66), 50 states have internal predecessors, (66), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) [2024-10-14 07:32:26,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:32:26,635 INFO L93 Difference]: Finished difference Result 189 states and 350 transitions. [2024-10-14 07:32:26,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 07:32:26,638 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) Word has length 258 [2024-10-14 07:32:26,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:32:26,647 INFO L225 Difference]: With dead ends: 189 [2024-10-14 07:32:26,647 INFO L226 Difference]: Without dead ends: 94 [2024-10-14 07:32:26,655 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 07:32:26,662 INFO L432 NwaCegarLoop]: 146 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, 146 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 [2024-10-14 07:32:26,663 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 146 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 07:32:26,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-10-14 07:32:26,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-10-14 07:32:26,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 48 states have (on average 1.2708333333333333) internal successors, (61), 48 states have internal predecessors, (61), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-14 07:32:26,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 149 transitions. [2024-10-14 07:32:26,722 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 149 transitions. Word has length 258 [2024-10-14 07:32:26,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:32:26,723 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 149 transitions. [2024-10-14 07:32:26,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) [2024-10-14 07:32:26,724 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 149 transitions. [2024-10-14 07:32:26,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-10-14 07:32:26,730 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:32:26,730 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:32:26,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 07:32:26,731 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:32:26,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:32:26,732 INFO L85 PathProgramCache]: Analyzing trace with hash -955024844, now seen corresponding path program 1 times [2024-10-14 07:32:26,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:32:26,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226239203] [2024-10-14 07:32:26,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:32:26,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:32:26,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:27,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:32:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:27,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:32:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:27,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:32:27,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:27,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:32:27,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:27,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:32:27,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:27,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:32:27,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:27,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:32:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:27,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:32:27,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:27,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:32:27,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:27,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:32:27,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:27,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:32:27,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:27,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 07:32:27,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:27,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:32:27,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:27,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 07:32:27,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:27,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 07:32:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:27,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 07:32:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:27,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 07:32:27,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:27,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 07:32:27,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:27,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 07:32:27,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:27,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 07:32:27,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:27,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 07:32:27,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:27,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 07:32:27,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:27,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 07:32:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:27,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 07:32:27,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:27,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 07:32:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:27,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 07:32:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:27,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 07:32:27,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:27,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 07:32:27,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:27,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 07:32:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:27,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 07:32:27,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:27,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 07:32:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:27,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 07:32:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:27,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 07:32:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:27,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-14 07:32:27,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:27,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-14 07:32:27,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:27,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 07:32:27,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:27,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-14 07:32:27,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:27,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-14 07:32:27,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-14 07:32:28,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-14 07:32:28,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-14 07:32:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-14 07:32:28,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-14 07:32:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-14 07:32:28,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,029 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-14 07:32:28,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:32:28,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226239203] [2024-10-14 07:32:28,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226239203] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:32:28,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:32:28,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 07:32:28,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727980312] [2024-10-14 07:32:28,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:32:28,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 07:32:28,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:32:28,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 07:32:28,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 07:32:28,036 INFO L87 Difference]: Start difference. First operand 94 states and 149 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-14 07:32:28,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:32:28,291 INFO L93 Difference]: Finished difference Result 207 states and 326 transitions. [2024-10-14 07:32:28,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 07:32:28,292 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 258 [2024-10-14 07:32:28,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:32:28,295 INFO L225 Difference]: With dead ends: 207 [2024-10-14 07:32:28,295 INFO L226 Difference]: Without dead ends: 114 [2024-10-14 07:32:28,296 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 07:32:28,297 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 49 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 07:32:28,298 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 499 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 07:32:28,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-10-14 07:32:28,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 105. [2024-10-14 07:32:28,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 59 states have (on average 1.3389830508474576) internal successors, (79), 59 states have internal predecessors, (79), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-14 07:32:28,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 167 transitions. [2024-10-14 07:32:28,314 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 167 transitions. Word has length 258 [2024-10-14 07:32:28,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:32:28,316 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 167 transitions. [2024-10-14 07:32:28,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-14 07:32:28,316 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 167 transitions. [2024-10-14 07:32:28,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-10-14 07:32:28,321 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:32:28,321 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:32:28,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 07:32:28,322 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:32:28,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:32:28,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1243216692, now seen corresponding path program 1 times [2024-10-14 07:32:28,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:32:28,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419677349] [2024-10-14 07:32:28,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:32:28,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:32:28,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:32:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:32:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:32:28,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:32:28,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:32:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:32:28,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:32:28,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:32:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:32:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:32:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:32:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 07:32:28,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:32:28,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 07:32:28,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 07:32:28,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 07:32:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 07:32:28,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 07:32:28,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 07:32:28,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 07:32:28,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 07:32:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 07:32:28,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 07:32:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 07:32:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 07:32:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 07:32:28,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 07:32:28,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 07:32:28,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 07:32:28,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 07:32:28,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 07:32:28,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 07:32:28,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 07:32:28,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-14 07:32:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-14 07:32:28,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 07:32:28,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-14 07:32:28,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-14 07:32:28,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-14 07:32:28,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-14 07:32:28,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-14 07:32:28,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-14 07:32:28,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-14 07:32:28,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-14 07:32:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:28,731 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-14 07:32:28,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:32:28,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419677349] [2024-10-14 07:32:28,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419677349] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:32:28,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:32:28,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 07:32:28,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308791478] [2024-10-14 07:32:28,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:32:28,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 07:32:28,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:32:28,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 07:32:28,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 07:32:28,738 INFO L87 Difference]: Start difference. First operand 105 states and 167 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-14 07:32:28,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:32:28,891 INFO L93 Difference]: Finished difference Result 238 states and 372 transitions. [2024-10-14 07:32:28,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 07:32:28,892 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 258 [2024-10-14 07:32:28,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:32:28,896 INFO L225 Difference]: With dead ends: 238 [2024-10-14 07:32:28,896 INFO L226 Difference]: Without dead ends: 134 [2024-10-14 07:32:28,897 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 07:32:28,902 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 49 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 07:32:28,902 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 571 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 07:32:28,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-10-14 07:32:28,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 105. [2024-10-14 07:32:28,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 59 states have (on average 1.3389830508474576) internal successors, (79), 59 states have internal predecessors, (79), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-14 07:32:28,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 167 transitions. [2024-10-14 07:32:28,919 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 167 transitions. Word has length 258 [2024-10-14 07:32:28,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:32:28,920 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 167 transitions. [2024-10-14 07:32:28,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-14 07:32:28,924 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 167 transitions. [2024-10-14 07:32:28,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-10-14 07:32:28,928 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:32:28,929 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:32:28,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 07:32:28,930 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:32:28,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:32:28,930 INFO L85 PathProgramCache]: Analyzing trace with hash 656410678, now seen corresponding path program 1 times [2024-10-14 07:32:28,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:32:28,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830592298] [2024-10-14 07:32:28,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:32:28,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:32:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:32:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:32:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:32:29,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:32:29,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:32:29,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:32:29,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:32:29,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:32:29,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:32:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:32:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:32:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 07:32:29,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:32:29,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 07:32:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 07:32:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 07:32:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 07:32:29,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 07:32:29,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 07:32:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 07:32:29,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 07:32:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 07:32:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 07:32:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 07:32:29,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 07:32:29,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 07:32:29,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 07:32:29,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 07:32:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 07:32:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 07:32:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 07:32:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 07:32:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-14 07:32:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-14 07:32:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-14 07:32:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-14 07:32:29,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-14 07:32:29,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-14 07:32:29,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-14 07:32:29,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-14 07:32:29,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-14 07:32:29,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-14 07:32:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-14 07:32:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-14 07:32:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:32:29,323 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-14 07:32:29,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:32:29,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830592298] [2024-10-14 07:32:29,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830592298] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:32:29,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:32:29,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 07:32:29,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404768959] [2024-10-14 07:32:29,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:32:29,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 07:32:29,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:32:29,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 07:32:29,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 07:32:29,326 INFO L87 Difference]: Start difference. First operand 105 states and 167 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-14 07:32:29,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:32:29,431 INFO L93 Difference]: Finished difference Result 238 states and 371 transitions. [2024-10-14 07:32:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 07:32:29,434 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 258 [2024-10-14 07:32:29,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:32:29,435 INFO L225 Difference]: With dead ends: 238 [2024-10-14 07:32:29,436 INFO L226 Difference]: Without dead ends: 134 [2024-10-14 07:32:29,436 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 07:32:29,441 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 48 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 07:32:29,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 501 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 07:32:29,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-10-14 07:32:29,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 94. [2024-10-14 07:32:29,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 48 states have (on average 1.25) internal successors, (60), 48 states have internal predecessors, (60), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-14 07:32:29,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 148 transitions. [2024-10-14 07:32:29,459 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 148 transitions. Word has length 258 [2024-10-14 07:32:29,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:32:29,461 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 148 transitions. [2024-10-14 07:32:29,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-10-14 07:32:29,461 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 148 transitions. [2024-10-14 07:32:29,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-10-14 07:32:29,464 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:32:29,464 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:32:29,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 07:32:29,465 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:32:29,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:32:29,465 INFO L85 PathProgramCache]: Analyzing trace with hash 937623705, now seen corresponding path program 1 times [2024-10-14 07:32:29,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:32:29,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697659204] [2024-10-14 07:32:29,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:32:29,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:32:29,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat