./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_100-1loop_file-31.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d 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_100-1loop_file-31.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 0facbc53e01d120e629a50b5211a29fd2bc23d2bc5e324a9623e8d1b2c65da11 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 03:45:28,853 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 03:45:28,927 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 03:45:28,933 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 03:45:28,933 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 03:45:28,964 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 03:45:28,965 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 03:45:28,965 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 03:45:28,966 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 03:45:28,966 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 03:45:28,966 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 03:45:28,967 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 03:45:28,967 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 03:45:28,968 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 03:45:28,968 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 03:45:28,969 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 03:45:28,969 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 03:45:28,969 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 03:45:28,970 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 03:45:28,970 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 03:45:28,970 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 03:45:28,975 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 03:45:28,975 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 03:45:28,975 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 03:45:28,978 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 03:45:28,979 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 03:45:28,979 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 03:45:28,980 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 03:45:28,980 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 03:45:28,980 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 03:45:28,981 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 03:45:28,981 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 03:45:28,981 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 03:45:28,981 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 03:45:28,982 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 03:45:28,982 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 03:45:28,982 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 03:45:28,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 03:45:28,983 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 03:45:28,983 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 03:45:28,983 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 03:45:28,985 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 03:45:28,985 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0facbc53e01d120e629a50b5211a29fd2bc23d2bc5e324a9623e8d1b2c65da11 [2024-10-13 03:45:29,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 03:45:29,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 03:45:29,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 03:45:29,303 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 03:45:29,303 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 03:45:29,305 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-31.i [2024-10-13 03:45:30,777 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 03:45:30,997 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 03:45:30,997 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-31.i [2024-10-13 03:45:31,018 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/796090864/d4dc6322459c498face0b71f753ecf28/FLAGc197be594 [2024-10-13 03:45:31,358 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/796090864/d4dc6322459c498face0b71f753ecf28 [2024-10-13 03:45:31,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 03:45:31,363 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 03:45:31,364 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 03:45:31,364 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 03:45:31,370 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 03:45:31,371 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:45:31" (1/1) ... [2024-10-13 03:45:31,371 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d2cb56f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:45:31, skipping insertion in model container [2024-10-13 03:45:31,372 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:45:31" (1/1) ... [2024-10-13 03:45:31,413 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 03:45:31,559 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_100-1loop_file-31.i[916,929] [2024-10-13 03:45:31,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 03:45:31,656 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 03:45:31,667 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_100-1loop_file-31.i[916,929] [2024-10-13 03:45:31,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 03:45:31,732 INFO L204 MainTranslator]: Completed translation [2024-10-13 03:45:31,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:45:31 WrapperNode [2024-10-13 03:45:31,734 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 03:45:31,737 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 03:45:31,737 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 03:45:31,737 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 03:45:31,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:45:31" (1/1) ... [2024-10-13 03:45:31,758 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:45:31" (1/1) ... [2024-10-13 03:45:31,805 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 264 [2024-10-13 03:45:31,805 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 03:45:31,806 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 03:45:31,806 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 03:45:31,807 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 03:45:31,817 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:45:31" (1/1) ... [2024-10-13 03:45:31,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:45:31" (1/1) ... [2024-10-13 03:45:31,822 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:45:31" (1/1) ... [2024-10-13 03:45:31,848 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]. [2024-10-13 03:45:31,849 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:45:31" (1/1) ... [2024-10-13 03:45:31,849 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:45:31" (1/1) ... [2024-10-13 03:45:31,904 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:45:31" (1/1) ... [2024-10-13 03:45:31,912 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:45:31" (1/1) ... [2024-10-13 03:45:31,923 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:45:31" (1/1) ... [2024-10-13 03:45:31,926 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:45:31" (1/1) ... [2024-10-13 03:45:31,936 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 03:45:31,939 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 03:45:31,939 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 03:45:31,939 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 03:45:31,940 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:45:31" (1/1) ... [2024-10-13 03:45:31,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 03:45:31,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 03:45:31,991 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) [2024-10-13 03:45:31,995 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 [2024-10-13 03:45:32,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 03:45:32,042 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 03:45:32,043 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 03:45:32,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 03:45:32,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 03:45:32,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 03:45:32,145 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 03:45:32,147 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 03:45:32,615 INFO L? ?]: Removed 42 outVars from TransFormulas that were not future-live. [2024-10-13 03:45:32,615 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 03:45:32,667 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 03:45:32,668 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 03:45:32,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:45:32 BoogieIcfgContainer [2024-10-13 03:45:32,668 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 03:45:32,671 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 03:45:32,671 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 03:45:32,674 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 03:45:32,675 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:45:31" (1/3) ... [2024-10-13 03:45:32,676 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@216788ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:45:32, skipping insertion in model container [2024-10-13 03:45:32,676 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:45:31" (2/3) ... [2024-10-13 03:45:32,677 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@216788ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:45:32, skipping insertion in model container [2024-10-13 03:45:32,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:45:32" (3/3) ... [2024-10-13 03:45:32,679 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-31.i [2024-10-13 03:45:32,696 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 03:45:32,697 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 03:45:32,772 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 03:45:32,780 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;@442a1c6b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 03:45:32,781 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 03:45:32,786 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 71 states have (on average 1.5070422535211268) internal successors, (107), 72 states have internal predecessors, (107), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-10-13 03:45:32,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-10-13 03:45:32,802 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:45:32,803 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:45:32,804 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:45:32,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:45:32,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1819273746, now seen corresponding path program 1 times [2024-10-13 03:45:32,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:45:32,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742243568] [2024-10-13 03:45:32,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:45:32,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:45:32,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:33,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:45:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:33,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:45:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:33,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:45:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:33,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:45:33,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:33,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:45:33,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:33,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:45:33,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:33,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:45:33,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:33,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:45:33,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:33,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:45:33,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:33,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:45:33,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:33,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:45:33,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:33,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:45:33,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:33,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:45:33,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:33,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:45:33,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:33,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 03:45:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:33,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:45:33,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:33,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 03:45:33,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:33,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:45:33,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:33,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 03:45:33,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:33,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:45:33,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:33,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 03:45:33,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:33,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:45:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:33,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:45:33,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:33,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 03:45:33,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:33,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:45:33,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:33,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:45:33,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:33,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-13 03:45:33,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:45:33,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742243568] [2024-10-13 03:45:33,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742243568] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:45:33,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:45:33,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 03:45:33,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285677673] [2024-10-13 03:45:33,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:45:33,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 03:45:33,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:45:33,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 03:45:33,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 03:45:33,408 INFO L87 Difference]: Start difference. First operand has 100 states, 71 states have (on average 1.5070422535211268) internal successors, (107), 72 states have internal predecessors, (107), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) 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, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-10-13 03:45:33,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:45:33,476 INFO L93 Difference]: Finished difference Result 189 states and 328 transitions. [2024-10-13 03:45:33,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 03:45:33,480 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, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 168 [2024-10-13 03:45:33,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:45:33,488 INFO L225 Difference]: With dead ends: 189 [2024-10-13 03:45:33,488 INFO L226 Difference]: Without dead ends: 88 [2024-10-13 03:45:33,494 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 03:45:33,499 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 03:45:33,502 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 03:45:33,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-10-13 03:45:33,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-10-13 03:45:33,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 60 states have (on average 1.4333333333333333) internal successors, (86), 60 states have internal predecessors, (86), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-10-13 03:45:33,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 138 transitions. [2024-10-13 03:45:33,566 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 138 transitions. Word has length 168 [2024-10-13 03:45:33,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:45:33,567 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 138 transitions. [2024-10-13 03:45:33,567 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, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-10-13 03:45:33,570 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 138 transitions. [2024-10-13 03:45:33,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-10-13 03:45:33,573 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:45:33,573 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:45:33,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 03:45:33,574 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:45:33,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:45:33,575 INFO L85 PathProgramCache]: Analyzing trace with hash 451323046, now seen corresponding path program 1 times [2024-10-13 03:45:33,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:45:33,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9350542] [2024-10-13 03:45:33,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:45:33,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:45:33,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:34,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:45:34,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:34,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:45:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:34,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:45:34,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:34,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:45:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:34,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:45:34,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:34,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:45:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:34,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:45:34,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:34,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:45:34,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:34,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:45:34,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:34,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:45:34,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:34,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:45:34,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:34,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:45:34,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:34,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:45:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:34,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:45:34,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:34,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 03:45:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:34,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:45:34,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:34,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 03:45:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:34,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:45:34,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:34,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 03:45:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:34,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:45:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:34,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 03:45:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:34,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:45:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:34,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:45:34,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:34,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 03:45:34,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:34,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:45:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:34,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:45:34,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:34,446 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-13 03:45:34,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:45:34,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9350542] [2024-10-13 03:45:34,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9350542] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:45:34,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:45:34,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 03:45:34,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369368109] [2024-10-13 03:45:34,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:45:34,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 03:45:34,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:45:34,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 03:45:34,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 03:45:34,453 INFO L87 Difference]: Start difference. First operand 88 states and 138 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-13 03:45:34,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:45:34,710 INFO L93 Difference]: Finished difference Result 262 states and 411 transitions. [2024-10-13 03:45:34,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 03:45:34,711 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 168 [2024-10-13 03:45:34,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:45:34,715 INFO L225 Difference]: With dead ends: 262 [2024-10-13 03:45:34,717 INFO L226 Difference]: Without dead ends: 175 [2024-10-13 03:45:34,718 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 03:45:34,720 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 88 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 03:45:34,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 382 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 03:45:34,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-10-13 03:45:34,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 139. [2024-10-13 03:45:34,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 84 states have (on average 1.3333333333333333) internal successors, (112), 84 states have internal predecessors, (112), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-10-13 03:45:34,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 216 transitions. [2024-10-13 03:45:34,759 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 216 transitions. Word has length 168 [2024-10-13 03:45:34,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:45:34,760 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 216 transitions. [2024-10-13 03:45:34,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-13 03:45:34,760 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 216 transitions. [2024-10-13 03:45:34,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-10-13 03:45:34,765 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:45:34,766 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:45:34,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 03:45:34,766 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:45:34,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:45:34,767 INFO L85 PathProgramCache]: Analyzing trace with hash 2032678183, now seen corresponding path program 1 times [2024-10-13 03:45:34,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:45:34,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139830903] [2024-10-13 03:45:34,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:45:34,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:45:34,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:35,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:45:35,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:35,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:45:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:35,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:45:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:35,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:45:35,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:35,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:45:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:35,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:45:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:35,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:45:35,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:35,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:45:35,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:35,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:45:35,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:35,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:45:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:35,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:45:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:35,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:45:35,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:35,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:45:35,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:35,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:45:35,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:35,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 03:45:35,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:35,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:45:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:35,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 03:45:35,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:35,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:45:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:35,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 03:45:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:35,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:45:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:35,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 03:45:35,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:35,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:45:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:35,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:45:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:35,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 03:45:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:35,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:45:35,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:35,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:45:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:35,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-13 03:45:35,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:45:35,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139830903] [2024-10-13 03:45:35,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139830903] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:45:35,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:45:35,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 03:45:35,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005120667] [2024-10-13 03:45:35,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:45:35,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 03:45:35,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:45:35,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 03:45:35,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 03:45:35,265 INFO L87 Difference]: Start difference. First operand 139 states and 216 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-13 03:45:35,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:45:35,560 INFO L93 Difference]: Finished difference Result 377 states and 587 transitions. [2024-10-13 03:45:35,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 03:45:35,562 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 169 [2024-10-13 03:45:35,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:45:35,567 INFO L225 Difference]: With dead ends: 377 [2024-10-13 03:45:35,568 INFO L226 Difference]: Without dead ends: 290 [2024-10-13 03:45:35,570 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-13 03:45:35,574 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 203 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 03:45:35,575 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 630 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 03:45:35,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-10-13 03:45:35,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 204. [2024-10-13 03:45:35,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 122 states have (on average 1.3114754098360655) internal successors, (160), 122 states have internal predecessors, (160), 78 states have call successors, (78), 3 states have call predecessors, (78), 3 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2024-10-13 03:45:35,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 316 transitions. [2024-10-13 03:45:35,625 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 316 transitions. Word has length 169 [2024-10-13 03:45:35,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:45:35,628 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 316 transitions. [2024-10-13 03:45:35,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-13 03:45:35,628 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 316 transitions. [2024-10-13 03:45:35,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-10-13 03:45:35,634 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:45:35,634 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:45:35,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 03:45:35,635 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:45:35,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:45:35,635 INFO L85 PathProgramCache]: Analyzing trace with hash 343734441, now seen corresponding path program 1 times [2024-10-13 03:45:35,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:45:35,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255936636] [2024-10-13 03:45:35,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:45:35,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:45:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:35,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:45:35,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:35,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:45:35,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:35,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:45:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:35,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:45:35,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:35,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:45:35,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:35,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:45:35,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:35,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:45:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:35,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:45:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:35,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:45:35,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:35,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:45:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:35,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:45:35,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:35,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:45:36,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:45:36,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:45:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 03:45:36,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:45:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 03:45:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:45:36,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 03:45:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:45:36,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 03:45:36,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:45:36,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:45:36,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 03:45:36,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:45:36,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:45:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-13 03:45:36,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:45:36,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255936636] [2024-10-13 03:45:36,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255936636] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:45:36,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:45:36,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 03:45:36,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213128493] [2024-10-13 03:45:36,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:45:36,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 03:45:36,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:45:36,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 03:45:36,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 03:45:36,108 INFO L87 Difference]: Start difference. First operand 204 states and 316 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-13 03:45:36,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:45:36,351 INFO L93 Difference]: Finished difference Result 406 states and 627 transitions. [2024-10-13 03:45:36,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 03:45:36,352 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 169 [2024-10-13 03:45:36,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:45:36,355 INFO L225 Difference]: With dead ends: 406 [2024-10-13 03:45:36,355 INFO L226 Difference]: Without dead ends: 254 [2024-10-13 03:45:36,357 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 03:45:36,358 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 78 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 03:45:36,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 368 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 03:45:36,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2024-10-13 03:45:36,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 210. [2024-10-13 03:45:36,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 128 states have (on average 1.3125) internal successors, (168), 128 states have internal predecessors, (168), 78 states have call successors, (78), 3 states have call predecessors, (78), 3 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2024-10-13 03:45:36,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 324 transitions. [2024-10-13 03:45:36,388 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 324 transitions. Word has length 169 [2024-10-13 03:45:36,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:45:36,389 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 324 transitions. [2024-10-13 03:45:36,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-13 03:45:36,390 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 324 transitions. [2024-10-13 03:45:36,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-10-13 03:45:36,392 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:45:36,392 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:45:36,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 03:45:36,393 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:45:36,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:45:36,393 INFO L85 PathProgramCache]: Analyzing trace with hash -875651910, now seen corresponding path program 1 times [2024-10-13 03:45:36,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:45:36,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608343831] [2024-10-13 03:45:36,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:45:36,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:45:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:45:36,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:45:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:45:36,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:45:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:45:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:45:36,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:45:36,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:45:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:45:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:45:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:45:36,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:45:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:45:36,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:45:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 03:45:36,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:45:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 03:45:36,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:45:36,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 03:45:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:45:36,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 03:45:36,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:45:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:45:36,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 03:45:36,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:45:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:45:36,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:36,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-13 03:45:36,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:45:36,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608343831] [2024-10-13 03:45:36,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608343831] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:45:36,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:45:36,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 03:45:36,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847154526] [2024-10-13 03:45:36,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:45:36,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 03:45:36,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:45:36,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 03:45:36,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 03:45:36,776 INFO L87 Difference]: Start difference. First operand 210 states and 324 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-13 03:45:37,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:45:37,000 INFO L93 Difference]: Finished difference Result 406 states and 626 transitions. [2024-10-13 03:45:37,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 03:45:37,001 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 170 [2024-10-13 03:45:37,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:45:37,003 INFO L225 Difference]: With dead ends: 406 [2024-10-13 03:45:37,004 INFO L226 Difference]: Without dead ends: 254 [2024-10-13 03:45:37,005 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 03:45:37,005 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 76 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 03:45:37,006 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 370 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 03:45:37,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2024-10-13 03:45:37,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 211. [2024-10-13 03:45:37,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 129 states have (on average 1.310077519379845) internal successors, (169), 129 states have internal predecessors, (169), 78 states have call successors, (78), 3 states have call predecessors, (78), 3 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2024-10-13 03:45:37,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 325 transitions. [2024-10-13 03:45:37,031 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 325 transitions. Word has length 170 [2024-10-13 03:45:37,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:45:37,032 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 325 transitions. [2024-10-13 03:45:37,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-13 03:45:37,032 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 325 transitions. [2024-10-13 03:45:37,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-13 03:45:37,034 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:45:37,034 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:45:37,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 03:45:37,035 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:45:37,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:45:37,035 INFO L85 PathProgramCache]: Analyzing trace with hash 205765004, now seen corresponding path program 1 times [2024-10-13 03:45:37,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:45:37,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241261063] [2024-10-13 03:45:37,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:45:37,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:45:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:43,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:45:43,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:43,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:45:43,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:43,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:45:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:43,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:45:43,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:43,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:45:43,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:43,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:45:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:43,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:45:43,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:43,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:45:43,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:43,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:45:43,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:43,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:45:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:43,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:45:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:43,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:45:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:43,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:45:43,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:43,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:45:43,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:43,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 03:45:43,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:43,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:45:43,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:43,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 03:45:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:43,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:45:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:43,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 03:45:43,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:43,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:45:43,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:43,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 03:45:43,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:43,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:45:43,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:43,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:45:43,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:43,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 03:45:43,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:43,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:45:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:43,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:45:43,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:43,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-13 03:45:43,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:45:43,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241261063] [2024-10-13 03:45:43,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241261063] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:45:43,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:45:43,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 03:45:43,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306128781] [2024-10-13 03:45:43,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:45:43,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 03:45:43,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:45:43,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 03:45:43,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-13 03:45:43,631 INFO L87 Difference]: Start difference. First operand 211 states and 325 transitions. Second operand has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-13 03:45:45,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:45:45,125 INFO L93 Difference]: Finished difference Result 480 states and 729 transitions. [2024-10-13 03:45:45,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 03:45:45,126 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 171 [2024-10-13 03:45:45,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:45:45,129 INFO L225 Difference]: With dead ends: 480 [2024-10-13 03:45:45,130 INFO L226 Difference]: Without dead ends: 328 [2024-10-13 03:45:45,131 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-10-13 03:45:45,133 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 144 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-13 03:45:45,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 559 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-13 03:45:45,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2024-10-13 03:45:45,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 302. [2024-10-13 03:45:45,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 199 states have (on average 1.3517587939698492) internal successors, (269), 201 states have internal predecessors, (269), 96 states have call successors, (96), 6 states have call predecessors, (96), 6 states have return successors, (96), 94 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-13 03:45:45,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 461 transitions. [2024-10-13 03:45:45,171 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 461 transitions. Word has length 171 [2024-10-13 03:45:45,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:45:45,175 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 461 transitions. [2024-10-13 03:45:45,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-13 03:45:45,175 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 461 transitions. [2024-10-13 03:45:45,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-13 03:45:45,177 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:45:45,177 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:45:45,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 03:45:45,177 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:45:45,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:45:45,178 INFO L85 PathProgramCache]: Analyzing trace with hash -603581622, now seen corresponding path program 1 times [2024-10-13 03:45:45,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:45:45,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202736998] [2024-10-13 03:45:45,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:45:45,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:45:45,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:45,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:45:45,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:45,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:45:45,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:45,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:45:45,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:45,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:45:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:45,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:45:45,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:45,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:45:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:45,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:45:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:45,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:45:45,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:45,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:45:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:45,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:45:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:45,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:45:45,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:45,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:45:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:45,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:45:45,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:45,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:45:45,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:45,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 03:45:45,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:45,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:45:45,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:45,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 03:45:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:45,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:45:45,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:45,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 03:45:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:45,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:45:45,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:45,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 03:45:45,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:45,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:45:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:45,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:45:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:45,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 03:45:45,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:45,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:45:45,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:45,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:45:45,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:45,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-13 03:45:45,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:45:45,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202736998] [2024-10-13 03:45:45,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202736998] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:45:45,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:45:45,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 03:45:45,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721610155] [2024-10-13 03:45:45,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:45:45,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 03:45:45,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:45:45,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 03:45:45,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-13 03:45:45,811 INFO L87 Difference]: Start difference. First operand 302 states and 461 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-13 03:45:46,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:45:46,386 INFO L93 Difference]: Finished difference Result 712 states and 1085 transitions. [2024-10-13 03:45:46,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 03:45:46,387 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 171 [2024-10-13 03:45:46,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:45:46,395 INFO L225 Difference]: With dead ends: 712 [2024-10-13 03:45:46,395 INFO L226 Difference]: Without dead ends: 473 [2024-10-13 03:45:46,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2024-10-13 03:45:46,398 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 297 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 03:45:46,400 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 633 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 03:45:46,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2024-10-13 03:45:46,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 453. [2024-10-13 03:45:46,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 292 states have (on average 1.3184931506849316) internal successors, (385), 296 states have internal predecessors, (385), 148 states have call successors, (148), 12 states have call predecessors, (148), 12 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-10-13 03:45:46,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 681 transitions. [2024-10-13 03:45:46,457 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 681 transitions. Word has length 171 [2024-10-13 03:45:46,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:45:46,457 INFO L471 AbstractCegarLoop]: Abstraction has 453 states and 681 transitions. [2024-10-13 03:45:46,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-13 03:45:46,458 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 681 transitions. [2024-10-13 03:45:46,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-13 03:45:46,461 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:45:46,461 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:45:46,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 03:45:46,461 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:45:46,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:45:46,462 INFO L85 PathProgramCache]: Analyzing trace with hash 722918028, now seen corresponding path program 1 times [2024-10-13 03:45:46,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:45:46,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802269212] [2024-10-13 03:45:46,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:45:46,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:45:46,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:46,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:45:46,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:46,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:45:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:46,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:45:46,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:46,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:45:46,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:46,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:45:46,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:46,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:45:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:46,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:45:46,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:46,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:45:46,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:46,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:45:46,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:46,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:45:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:46,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:45:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:46,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:45:46,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:46,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:45:46,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:46,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:45:46,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:46,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 03:45:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:46,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:45:46,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:46,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 03:45:46,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:46,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:45:46,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:46,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 03:45:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:46,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:45:46,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:47,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 03:45:47,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:47,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:45:47,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:47,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:45:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:47,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 03:45:47,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:47,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:45:47,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:47,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:45:47,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:47,015 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-13 03:45:47,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:45:47,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802269212] [2024-10-13 03:45:47,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802269212] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:45:47,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:45:47,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 03:45:47,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319118929] [2024-10-13 03:45:47,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:45:47,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 03:45:47,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:45:47,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 03:45:47,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 03:45:47,020 INFO L87 Difference]: Start difference. First operand 453 states and 681 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-13 03:45:47,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:45:47,578 INFO L93 Difference]: Finished difference Result 1033 states and 1553 transitions. [2024-10-13 03:45:47,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 03:45:47,580 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 171 [2024-10-13 03:45:47,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:45:47,585 INFO L225 Difference]: With dead ends: 1033 [2024-10-13 03:45:47,585 INFO L226 Difference]: Without dead ends: 662 [2024-10-13 03:45:47,587 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-13 03:45:47,588 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 317 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 03:45:47,588 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 483 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 03:45:47,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2024-10-13 03:45:47,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 500. [2024-10-13 03:45:47,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 339 states have (on average 1.3333333333333333) internal successors, (452), 343 states have internal predecessors, (452), 148 states have call successors, (148), 12 states have call predecessors, (148), 12 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-10-13 03:45:47,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 748 transitions. [2024-10-13 03:45:47,666 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 748 transitions. Word has length 171 [2024-10-13 03:45:47,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:45:47,667 INFO L471 AbstractCegarLoop]: Abstraction has 500 states and 748 transitions. [2024-10-13 03:45:47,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-13 03:45:47,668 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 748 transitions. [2024-10-13 03:45:47,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-13 03:45:47,670 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:45:47,670 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:45:47,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 03:45:47,670 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:45:47,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:45:47,671 INFO L85 PathProgramCache]: Analyzing trace with hash -86428598, now seen corresponding path program 1 times [2024-10-13 03:45:47,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:45:47,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324978431] [2024-10-13 03:45:47,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:45:47,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:45:47,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:51,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:45:51,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:51,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:45:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:51,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:45:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:51,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:45:51,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:51,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:45:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:51,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:45:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:51,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:45:51,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:51,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:45:51,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:51,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:45:51,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:51,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:45:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:51,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:45:51,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:51,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:45:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:51,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:45:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:51,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:45:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:51,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 03:45:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:51,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:45:51,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:51,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 03:45:51,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:51,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:45:51,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:51,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 03:45:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:51,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:45:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:51,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 03:45:51,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:51,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:45:51,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:51,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:45:51,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:51,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 03:45:51,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:51,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:45:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:51,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:45:51,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:51,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-13 03:45:51,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:45:51,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324978431] [2024-10-13 03:45:51,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324978431] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:45:51,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:45:51,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 03:45:51,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023341348] [2024-10-13 03:45:51,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:45:51,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 03:45:51,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:45:51,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 03:45:51,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-13 03:45:51,269 INFO L87 Difference]: Start difference. First operand 500 states and 748 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-13 03:45:52,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:45:52,121 INFO L93 Difference]: Finished difference Result 914 states and 1358 transitions. [2024-10-13 03:45:52,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 03:45:52,122 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 171 [2024-10-13 03:45:52,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:45:52,127 INFO L225 Difference]: With dead ends: 914 [2024-10-13 03:45:52,128 INFO L226 Difference]: Without dead ends: 580 [2024-10-13 03:45:52,129 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-10-13 03:45:52,131 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 169 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 03:45:52,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 612 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 03:45:52,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2024-10-13 03:45:52,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 500. [2024-10-13 03:45:52,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 339 states have (on average 1.3244837758112094) internal successors, (449), 343 states have internal predecessors, (449), 148 states have call successors, (148), 12 states have call predecessors, (148), 12 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-10-13 03:45:52,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 745 transitions. [2024-10-13 03:45:52,217 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 745 transitions. Word has length 171 [2024-10-13 03:45:52,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:45:52,218 INFO L471 AbstractCegarLoop]: Abstraction has 500 states and 745 transitions. [2024-10-13 03:45:52,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-13 03:45:52,218 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 745 transitions. [2024-10-13 03:45:52,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-10-13 03:45:52,221 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:45:52,222 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:45:52,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 03:45:52,222 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:45:52,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:45:52,223 INFO L85 PathProgramCache]: Analyzing trace with hash 813971801, now seen corresponding path program 1 times [2024-10-13 03:45:52,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:45:52,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336262223] [2024-10-13 03:45:52,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:45:52,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:45:52,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:57,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:45:57,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:57,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:45:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:57,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:45:57,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:57,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:45:57,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:57,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:45:57,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:57,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:45:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:57,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:45:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:57,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:45:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:57,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:45:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:57,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:45:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:57,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:45:57,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:57,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:45:57,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:57,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:45:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:57,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:45:57,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:57,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 03:45:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:57,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:45:57,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:57,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 03:45:57,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:57,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:45:57,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:57,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 03:45:57,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:57,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:45:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:57,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 03:45:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:57,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:45:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:57,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:45:57,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:57,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 03:45:57,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:57,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:45:57,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:57,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:45:57,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:45:57,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-13 03:45:57,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:45:57,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336262223] [2024-10-13 03:45:57,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336262223] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:45:57,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:45:57,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-10-13 03:45:57,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258771652] [2024-10-13 03:45:57,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:45:57,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-13 03:45:57,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:45:57,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-13 03:45:57,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2024-10-13 03:45:57,688 INFO L87 Difference]: Start difference. First operand 500 states and 745 transitions. Second operand has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-13 03:46:02,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:46:02,924 INFO L93 Difference]: Finished difference Result 914 states and 1352 transitions. [2024-10-13 03:46:02,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-13 03:46:02,925 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 172 [2024-10-13 03:46:02,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:46:02,929 INFO L225 Difference]: With dead ends: 914 [2024-10-13 03:46:02,929 INFO L226 Difference]: Without dead ends: 587 [2024-10-13 03:46:02,930 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=296, Invalid=964, Unknown=0, NotChecked=0, Total=1260 [2024-10-13 03:46:02,931 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 517 mSDsluCounter, 1002 mSDsCounter, 0 mSdLazyCounter, 1191 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 1113 SdHoareTripleChecker+Invalid, 1278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 1191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-10-13 03:46:02,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [517 Valid, 1113 Invalid, 1278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 1191 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-10-13 03:46:02,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2024-10-13 03:46:02,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 520. [2024-10-13 03:46:02,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 359 states have (on average 1.3342618384401115) internal successors, (479), 363 states have internal predecessors, (479), 148 states have call successors, (148), 12 states have call predecessors, (148), 12 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-10-13 03:46:02,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 775 transitions. [2024-10-13 03:46:02,982 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 775 transitions. Word has length 172 [2024-10-13 03:46:02,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:46:02,983 INFO L471 AbstractCegarLoop]: Abstraction has 520 states and 775 transitions. [2024-10-13 03:46:02,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-13 03:46:02,983 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 775 transitions. [2024-10-13 03:46:02,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-10-13 03:46:02,985 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:46:02,985 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:46:02,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 03:46:02,985 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:46:02,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:46:02,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1331124825, now seen corresponding path program 1 times [2024-10-13 03:46:02,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:46:02,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041934423] [2024-10-13 03:46:02,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:46:02,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:46:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:04,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:46:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:04,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:46:04,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:04,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:46:04,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:04,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:46:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:04,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:46:04,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:04,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:46:04,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:04,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:46:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:04,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:46:04,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:04,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:46:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:04,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:46:04,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:04,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:46:04,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:04,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:46:04,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:04,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:46:04,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:04,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:46:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:04,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 03:46:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:04,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:46:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:04,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 03:46:04,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:04,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:46:04,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:04,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 03:46:04,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:04,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:46:04,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:04,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 03:46:04,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:04,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:46:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:04,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:46:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:04,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 03:46:04,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:04,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:46:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:04,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:46:04,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:04,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-13 03:46:04,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:46:04,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041934423] [2024-10-13 03:46:04,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041934423] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:46:04,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:46:04,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 03:46:04,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072615001] [2024-10-13 03:46:04,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:46:04,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 03:46:04,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:46:04,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 03:46:04,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-10-13 03:46:04,427 INFO L87 Difference]: Start difference. First operand 520 states and 775 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-13 03:46:05,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:46:05,506 INFO L93 Difference]: Finished difference Result 953 states and 1418 transitions. [2024-10-13 03:46:05,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 03:46:05,507 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 172 [2024-10-13 03:46:05,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:46:05,512 INFO L225 Difference]: With dead ends: 953 [2024-10-13 03:46:05,512 INFO L226 Difference]: Without dead ends: 558 [2024-10-13 03:46:05,516 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-10-13 03:46:05,517 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 342 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 820 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-13 03:46:05,517 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 820 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-13 03:46:05,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2024-10-13 03:46:05,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 524. [2024-10-13 03:46:05,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 363 states have (on average 1.3333333333333333) internal successors, (484), 367 states have internal predecessors, (484), 148 states have call successors, (148), 12 states have call predecessors, (148), 12 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-10-13 03:46:05,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 780 transitions. [2024-10-13 03:46:05,575 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 780 transitions. Word has length 172 [2024-10-13 03:46:05,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:46:05,576 INFO L471 AbstractCegarLoop]: Abstraction has 524 states and 780 transitions. [2024-10-13 03:46:05,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-13 03:46:05,577 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 780 transitions. [2024-10-13 03:46:05,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-10-13 03:46:05,579 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:46:05,579 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:46:05,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 03:46:05,580 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:46:05,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:46:05,580 INFO L85 PathProgramCache]: Analyzing trace with hash 521778199, now seen corresponding path program 1 times [2024-10-13 03:46:05,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:46:05,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121018423] [2024-10-13 03:46:05,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:46:05,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:46:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:08,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:46:08,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:08,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:46:08,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:08,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:46:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:08,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:46:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:08,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:46:08,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:08,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:46:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:08,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:46:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:08,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:46:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:08,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:46:08,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:08,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:46:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:08,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:46:08,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:08,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:46:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:08,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:46:08,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:08,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:46:08,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:08,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 03:46:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:08,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:46:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:08,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 03:46:08,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:08,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:46:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:08,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 03:46:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:08,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:46:08,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:08,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 03:46:08,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:08,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:46:08,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:08,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:46:08,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:08,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 03:46:08,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:08,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:46:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:08,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:46:08,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:08,265 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-13 03:46:08,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:46:08,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121018423] [2024-10-13 03:46:08,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121018423] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:46:08,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:46:08,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-13 03:46:08,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715593783] [2024-10-13 03:46:08,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:46:08,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-13 03:46:08,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:46:08,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 03:46:08,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-10-13 03:46:08,267 INFO L87 Difference]: Start difference. First operand 524 states and 780 transitions. Second operand has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-13 03:46:10,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:46:10,740 INFO L93 Difference]: Finished difference Result 929 states and 1372 transitions. [2024-10-13 03:46:10,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-13 03:46:10,742 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 172 [2024-10-13 03:46:10,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:46:10,746 INFO L225 Difference]: With dead ends: 929 [2024-10-13 03:46:10,747 INFO L226 Difference]: Without dead ends: 602 [2024-10-13 03:46:10,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=195, Invalid=561, Unknown=0, NotChecked=0, Total=756 [2024-10-13 03:46:10,749 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 494 mSDsluCounter, 991 mSDsCounter, 0 mSdLazyCounter, 964 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 1131 SdHoareTripleChecker+Invalid, 1096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-13 03:46:10,749 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [494 Valid, 1131 Invalid, 1096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 964 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-13 03:46:10,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2024-10-13 03:46:10,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 524. [2024-10-13 03:46:10,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 363 states have (on average 1.3333333333333333) internal successors, (484), 367 states have internal predecessors, (484), 148 states have call successors, (148), 12 states have call predecessors, (148), 12 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-10-13 03:46:10,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 780 transitions. [2024-10-13 03:46:10,800 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 780 transitions. Word has length 172 [2024-10-13 03:46:10,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:46:10,801 INFO L471 AbstractCegarLoop]: Abstraction has 524 states and 780 transitions. [2024-10-13 03:46:10,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-13 03:46:10,802 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 780 transitions. [2024-10-13 03:46:10,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-10-13 03:46:10,805 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:46:10,805 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:46:10,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-13 03:46:10,805 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:46:10,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:46:10,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1515036379, now seen corresponding path program 1 times [2024-10-13 03:46:10,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:46:10,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197890551] [2024-10-13 03:46:10,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:46:10,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:46:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:13,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:46:13,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:13,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:46:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:13,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:46:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:13,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:46:13,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:13,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:46:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:13,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:46:13,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:13,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:46:13,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:13,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:46:13,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:13,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:46:13,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:13,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:46:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:13,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:46:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:13,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:46:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:13,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:46:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:13,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:46:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:13,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 03:46:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:13,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:46:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:13,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 03:46:13,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:13,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:46:13,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:13,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 03:46:13,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:13,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:46:13,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:13,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 03:46:13,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:13,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:46:13,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:13,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:46:13,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:13,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 03:46:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:13,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:46:13,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:13,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:46:13,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:13,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-13 03:46:13,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:46:13,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197890551] [2024-10-13 03:46:13,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197890551] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:46:13,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:46:13,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-13 03:46:13,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447901174] [2024-10-13 03:46:13,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:46:13,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-13 03:46:13,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:46:13,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 03:46:13,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-10-13 03:46:13,857 INFO L87 Difference]: Start difference. First operand 524 states and 780 transitions. Second operand has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-13 03:46:15,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:46:15,804 INFO L93 Difference]: Finished difference Result 912 states and 1354 transitions. [2024-10-13 03:46:15,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-13 03:46:15,805 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 172 [2024-10-13 03:46:15,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:46:15,810 INFO L225 Difference]: With dead ends: 912 [2024-10-13 03:46:15,810 INFO L226 Difference]: Without dead ends: 585 [2024-10-13 03:46:15,811 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=252, Invalid=618, Unknown=0, NotChecked=0, Total=870 [2024-10-13 03:46:15,812 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 477 mSDsluCounter, 1203 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 1393 SdHoareTripleChecker+Invalid, 870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-13 03:46:15,812 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [477 Valid, 1393 Invalid, 870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-13 03:46:15,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2024-10-13 03:46:15,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 529. [2024-10-13 03:46:15,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 368 states have (on average 1.3315217391304348) internal successors, (490), 372 states have internal predecessors, (490), 148 states have call successors, (148), 12 states have call predecessors, (148), 12 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-10-13 03:46:15,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 786 transitions. [2024-10-13 03:46:15,863 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 786 transitions. Word has length 172 [2024-10-13 03:46:15,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:46:15,865 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 786 transitions. [2024-10-13 03:46:15,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-13 03:46:15,865 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 786 transitions. [2024-10-13 03:46:15,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-10-13 03:46:15,867 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:46:15,867 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:46:15,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-13 03:46:15,867 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:46:15,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:46:15,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1222842777, now seen corresponding path program 1 times [2024-10-13 03:46:15,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:46:15,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771406496] [2024-10-13 03:46:15,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:46:15,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:46:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:19,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:46:19,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:19,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:46:19,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:19,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:46:19,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:19,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:46:19,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:19,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:46:19,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:19,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:46:19,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:19,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:46:19,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:19,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:46:19,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:19,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:46:19,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:19,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:46:19,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:19,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:46:19,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:19,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:46:19,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:19,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:46:19,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:19,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:46:19,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:19,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 03:46:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:19,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:46:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:19,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 03:46:19,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:19,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:46:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:19,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 03:46:19,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:19,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:46:19,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:19,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 03:46:19,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:19,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:46:19,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:19,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:46:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:19,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 03:46:19,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:19,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:46:19,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:19,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:46:19,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:19,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-13 03:46:19,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:46:19,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771406496] [2024-10-13 03:46:19,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771406496] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:46:19,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:46:19,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-13 03:46:19,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670338674] [2024-10-13 03:46:19,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:46:19,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 03:46:19,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:46:19,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 03:46:19,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2024-10-13 03:46:19,849 INFO L87 Difference]: Start difference. First operand 529 states and 786 transitions. Second operand has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-13 03:46:22,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:46:22,528 INFO L93 Difference]: Finished difference Result 930 states and 1376 transitions. [2024-10-13 03:46:22,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-13 03:46:22,528 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 172 [2024-10-13 03:46:22,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:46:22,536 INFO L225 Difference]: With dead ends: 930 [2024-10-13 03:46:22,536 INFO L226 Difference]: Without dead ends: 603 [2024-10-13 03:46:22,538 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=181, Invalid=631, Unknown=0, NotChecked=0, Total=812 [2024-10-13 03:46:22,539 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 502 mSDsluCounter, 906 mSDsCounter, 0 mSdLazyCounter, 919 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 502 SdHoareTripleChecker+Valid, 1037 SdHoareTripleChecker+Invalid, 1052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-13 03:46:22,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [502 Valid, 1037 Invalid, 1052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 919 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-13 03:46:22,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2024-10-13 03:46:22,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 529. [2024-10-13 03:46:22,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 368 states have (on average 1.3315217391304348) internal successors, (490), 372 states have internal predecessors, (490), 148 states have call successors, (148), 12 states have call predecessors, (148), 12 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-10-13 03:46:22,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 786 transitions. [2024-10-13 03:46:22,595 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 786 transitions. Word has length 172 [2024-10-13 03:46:22,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:46:22,596 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 786 transitions. [2024-10-13 03:46:22,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-13 03:46:22,597 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 786 transitions. [2024-10-13 03:46:22,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-10-13 03:46:22,599 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:46:22,599 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:46:22,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-13 03:46:22,599 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:46:22,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:46:22,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1597639769, now seen corresponding path program 1 times [2024-10-13 03:46:22,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:46:22,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026510258] [2024-10-13 03:46:22,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:46:22,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:46:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:26,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:46:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:26,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:46:26,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:26,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:46:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:26,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:46:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:26,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:46:26,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:26,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:46:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:26,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:46:26,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:26,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:46:26,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:26,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:46:26,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:26,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:46:26,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:26,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:46:26,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:26,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:46:26,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:26,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:46:26,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:26,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:46:26,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:26,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 03:46:26,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:26,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:46:26,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:26,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 03:46:26,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:26,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:46:26,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:26,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 03:46:26,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:26,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:46:26,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:26,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 03:46:26,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:26,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:46:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:26,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:46:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:26,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 03:46:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:26,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:46:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:26,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:46:26,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:26,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-13 03:46:26,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:46:26,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026510258] [2024-10-13 03:46:26,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026510258] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:46:26,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:46:26,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 03:46:26,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111365276] [2024-10-13 03:46:26,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:46:26,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 03:46:26,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:46:26,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 03:46:26,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-10-13 03:46:26,675 INFO L87 Difference]: Start difference. First operand 529 states and 786 transitions. Second operand has 10 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-13 03:46:30,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:46:30,299 INFO L93 Difference]: Finished difference Result 1091 states and 1610 transitions. [2024-10-13 03:46:30,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 03:46:30,301 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 173 [2024-10-13 03:46:30,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:46:30,306 INFO L225 Difference]: With dead ends: 1091 [2024-10-13 03:46:30,306 INFO L226 Difference]: Without dead ends: 764 [2024-10-13 03:46:30,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-10-13 03:46:30,309 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 179 mSDsluCounter, 742 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-10-13 03:46:30,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 903 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-10-13 03:46:30,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2024-10-13 03:46:30,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 576. [2024-10-13 03:46:30,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 415 states have (on average 1.3686746987951808) internal successors, (568), 419 states have internal predecessors, (568), 148 states have call successors, (148), 12 states have call predecessors, (148), 12 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-10-13 03:46:30,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 864 transitions. [2024-10-13 03:46:30,367 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 864 transitions. Word has length 173 [2024-10-13 03:46:30,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:46:30,368 INFO L471 AbstractCegarLoop]: Abstraction has 576 states and 864 transitions. [2024-10-13 03:46:30,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-13 03:46:30,368 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 864 transitions. [2024-10-13 03:46:30,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-10-13 03:46:30,369 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:46:30,369 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:46:30,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-13 03:46:30,369 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:46:30,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:46:30,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1080486745, now seen corresponding path program 1 times [2024-10-13 03:46:30,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:46:30,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574824415] [2024-10-13 03:46:30,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:46:30,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:46:30,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:33,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:46:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:33,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:46:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:33,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:46:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:33,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:46:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:33,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:46:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:33,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:46:33,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:33,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:46:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:33,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:46:33,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:33,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:46:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:33,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:46:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:33,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:46:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:33,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:46:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:33,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:46:33,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:33,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:46:33,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:33,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 03:46:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:33,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:46:33,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:33,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 03:46:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:33,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:46:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:33,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 03:46:33,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:33,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:46:33,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:33,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 03:46:33,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:33,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:46:33,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:33,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:46:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:33,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 03:46:33,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:33,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 03:46:33,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:33,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-13 03:46:33,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:33,644 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-13 03:46:33,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:46:33,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574824415] [2024-10-13 03:46:33,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574824415] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:46:33,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:46:33,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-13 03:46:33,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575478961] [2024-10-13 03:46:33,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:46:33,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 03:46:33,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:46:33,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 03:46:33,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-13 03:46:33,647 INFO L87 Difference]: Start difference. First operand 576 states and 864 transitions. Second operand has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 11 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-13 03:46:35,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:46:35,752 INFO L93 Difference]: Finished difference Result 1091 states and 1624 transitions. [2024-10-13 03:46:35,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-13 03:46:35,753 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 11 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 173 [2024-10-13 03:46:35,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:46:35,758 INFO L225 Difference]: With dead ends: 1091 [2024-10-13 03:46:35,758 INFO L226 Difference]: Without dead ends: 720 [2024-10-13 03:46:35,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=175, Invalid=425, Unknown=0, NotChecked=0, Total=600 [2024-10-13 03:46:35,760 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 558 mSDsluCounter, 858 mSDsCounter, 0 mSdLazyCounter, 1029 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 558 SdHoareTripleChecker+Valid, 1082 SdHoareTripleChecker+Invalid, 1236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 1029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-13 03:46:35,761 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [558 Valid, 1082 Invalid, 1236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 1029 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-13 03:46:35,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2024-10-13 03:46:35,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 576. [2024-10-13 03:46:35,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 415 states have (on average 1.3686746987951808) internal successors, (568), 419 states have internal predecessors, (568), 148 states have call successors, (148), 12 states have call predecessors, (148), 12 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-10-13 03:46:35,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 864 transitions. [2024-10-13 03:46:35,815 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 864 transitions. Word has length 173 [2024-10-13 03:46:35,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:46:35,816 INFO L471 AbstractCegarLoop]: Abstraction has 576 states and 864 transitions. [2024-10-13 03:46:35,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 11 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-13 03:46:35,817 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 864 transitions. [2024-10-13 03:46:35,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-10-13 03:46:35,817 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:46:35,818 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:46:35,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-13 03:46:35,818 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:46:35,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:46:35,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1889833371, now seen corresponding path program 1 times [2024-10-13 03:46:35,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:46:35,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116542121] [2024-10-13 03:46:35,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:46:35,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:46:35,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:36,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:46:36,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:36,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:46:36,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:36,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-13 03:46:36,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:36,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:46:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:36,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-13 03:46:36,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:36,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:46:36,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:36,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-13 03:46:36,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:36,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:46:36,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:36,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-13 03:46:36,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:36,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:46:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:36,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 03:46:36,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:36,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:46:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:36,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 03:46:36,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:36,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:46:36,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:36,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 03:46:36,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:36,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:46:36,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:36,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 03:46:36,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:36,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 03:46:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:36,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 03:46:36,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:36,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 03:46:36,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:36,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 03:46:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:36,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 03:46:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:36,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 03:46:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:46:36,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 03:46:36,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat