./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_fillercode_fillercodestructure_filler-ps-co_file-52.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_fillercode_fillercodestructure_filler-ps-co_file-52.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 d2756a3afeabee0bd07615570da162530b76933ca347aab7efd24527f8af5fb3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 03:05:28,751 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 03:05:28,822 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 03:05:28,828 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 03:05:28,830 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 03:05:28,872 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 03:05:28,872 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 03:05:28,873 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 03:05:28,874 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 03:05:28,876 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 03:05:28,876 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 03:05:28,876 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 03:05:28,877 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 03:05:28,879 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 03:05:28,879 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 03:05:28,879 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 03:05:28,879 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 03:05:28,880 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 03:05:28,880 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 03:05:28,880 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 03:05:28,880 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 03:05:28,883 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 03:05:28,883 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 03:05:28,884 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 03:05:28,884 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 03:05:28,884 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 03:05:28,884 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 03:05:28,885 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 03:05:28,885 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 03:05:28,885 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 03:05:28,885 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 03:05:28,886 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 03:05:28,886 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 03:05:28,886 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 03:05:28,886 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 03:05:28,887 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 03:05:28,887 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 03:05:28,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 03:05:28,888 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 03:05:28,888 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 03:05:28,889 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 03:05:28,889 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 03:05:28,890 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2756a3afeabee0bd07615570da162530b76933ca347aab7efd24527f8af5fb3 [2024-10-13 03:05:29,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 03:05:29,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 03:05:29,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 03:05:29,226 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 03:05:29,227 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 03:05:29,228 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-52.i [2024-10-13 03:05:30,699 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 03:05:30,936 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 03:05:30,937 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-52.i [2024-10-13 03:05:30,949 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae68d0ba8/8bfac798108a44c885e7e3ba2fe729e1/FLAG012b49397 [2024-10-13 03:05:31,284 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae68d0ba8/8bfac798108a44c885e7e3ba2fe729e1 [2024-10-13 03:05:31,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 03:05:31,290 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 03:05:31,291 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 03:05:31,294 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 03:05:31,300 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 03:05:31,300 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:05:31" (1/1) ... [2024-10-13 03:05:31,301 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68b0f248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:05:31, skipping insertion in model container [2024-10-13 03:05:31,301 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:05:31" (1/1) ... [2024-10-13 03:05:31,343 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 03:05:31,531 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_fillercode_fillercodestructure_filler-ps-co_file-52.i[919,932] [2024-10-13 03:05:31,628 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 03:05:31,643 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 03:05:31,656 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_fillercode_fillercodestructure_filler-ps-co_file-52.i[919,932] [2024-10-13 03:05:31,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 03:05:31,712 INFO L204 MainTranslator]: Completed translation [2024-10-13 03:05:31,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:05:31 WrapperNode [2024-10-13 03:05:31,713 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 03:05:31,715 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 03:05:31,715 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 03:05:31,715 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 03:05:31,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:05:31" (1/1) ... [2024-10-13 03:05:31,733 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:05:31" (1/1) ... [2024-10-13 03:05:31,781 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 206 [2024-10-13 03:05:31,781 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 03:05:31,782 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 03:05:31,782 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 03:05:31,782 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 03:05:31,797 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:05:31" (1/1) ... [2024-10-13 03:05:31,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:05:31" (1/1) ... [2024-10-13 03:05:31,806 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:05:31" (1/1) ... [2024-10-13 03:05:31,828 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 03:05:31,828 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:05:31" (1/1) ... [2024-10-13 03:05:31,828 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:05:31" (1/1) ... [2024-10-13 03:05:31,837 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:05:31" (1/1) ... [2024-10-13 03:05:31,841 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:05:31" (1/1) ... [2024-10-13 03:05:31,844 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:05:31" (1/1) ... [2024-10-13 03:05:31,846 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:05:31" (1/1) ... [2024-10-13 03:05:31,854 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 03:05:31,855 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 03:05:31,855 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 03:05:31,855 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 03:05:31,856 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:05:31" (1/1) ... [2024-10-13 03:05:31,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 03:05:31,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 03:05:31,905 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 03:05:31,911 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 03:05:31,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 03:05:31,977 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 03:05:31,978 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 03:05:31,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 03:05:31,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 03:05:31,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 03:05:32,125 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 03:05:32,127 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 03:05:32,616 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-10-13 03:05:32,616 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 03:05:32,668 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 03:05:32,670 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 03:05:32,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:05:32 BoogieIcfgContainer [2024-10-13 03:05:32,670 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 03:05:32,674 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 03:05:32,674 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 03:05:32,677 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 03:05:32,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 03:05:31" (1/3) ... [2024-10-13 03:05:32,679 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@220ca54f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:05:32, skipping insertion in model container [2024-10-13 03:05:32,679 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:05:31" (2/3) ... [2024-10-13 03:05:32,680 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@220ca54f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 03:05:32, skipping insertion in model container [2024-10-13 03:05:32,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:05:32" (3/3) ... [2024-10-13 03:05:32,681 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-52.i [2024-10-13 03:05:32,699 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 03:05:32,700 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 03:05:32,767 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 03:05:32,774 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;@1075ca97, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 03:05:32,774 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 03:05:32,779 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 56 states have (on average 1.5178571428571428) internal successors, (85), 57 states have internal predecessors, (85), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-13 03:05:32,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-13 03:05:32,794 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:05:32,794 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:05:32,795 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:05:32,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:05:32,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1497455468, now seen corresponding path program 1 times [2024-10-13 03:05:32,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:05:32,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114177884] [2024-10-13 03:05:32,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:05:32,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:05:32,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:05:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:05:33,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:05:33,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:05:33,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:05:33,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:05:33,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:05:33,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:05:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:05:33,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:05:33,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:05:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:05:33,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:05:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:05:33,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:05:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:05:33,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:05:33,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 03:05:33,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:05:33,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:05:33,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:05:33,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:05:33,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,365 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-13 03:05:33,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:05:33,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114177884] [2024-10-13 03:05:33,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114177884] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:05:33,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:05:33,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 03:05:33,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769471691] [2024-10-13 03:05:33,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:05:33,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 03:05:33,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:05:33,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 03:05:33,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 03:05:33,409 INFO L87 Difference]: Start difference. First operand has 81 states, 56 states have (on average 1.5178571428571428) internal successors, (85), 57 states have internal predecessors, (85), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) 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, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-13 03:05:33,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:05:33,462 INFO L93 Difference]: Finished difference Result 159 states and 278 transitions. [2024-10-13 03:05:33,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 03:05:33,466 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, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 148 [2024-10-13 03:05:33,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:05:33,474 INFO L225 Difference]: With dead ends: 159 [2024-10-13 03:05:33,474 INFO L226 Difference]: Without dead ends: 79 [2024-10-13 03:05:33,480 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 68 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 03:05:33,484 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 03:05:33,486 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 03:05:33,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-10-13 03:05:33,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2024-10-13 03:05:33,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 55 states have (on average 1.4545454545454546) internal successors, (80), 55 states have internal predecessors, (80), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-13 03:05:33,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 124 transitions. [2024-10-13 03:05:33,540 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 124 transitions. Word has length 148 [2024-10-13 03:05:33,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:05:33,541 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 124 transitions. [2024-10-13 03:05:33,541 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, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-13 03:05:33,541 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 124 transitions. [2024-10-13 03:05:33,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-13 03:05:33,548 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:05:33,548 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:05:33,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 03:05:33,549 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:05:33,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:05:33,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1430075996, now seen corresponding path program 1 times [2024-10-13 03:05:33,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:05:33,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873554565] [2024-10-13 03:05:33,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:05:33,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:05:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:05:33,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:05:33,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:05:33,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:05:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:05:33,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:05:33,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:05:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:05:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:05:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:05:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:05:33,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:05:33,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:05:33,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:05:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:05:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:05:33,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:05:33,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 03:05:33,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:33,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:05:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:34,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:05:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:34,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:05:34,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:34,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:05:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:34,029 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-13 03:05:34,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:05:34,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873554565] [2024-10-13 03:05:34,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873554565] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:05:34,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:05:34,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 03:05:34,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705234421] [2024-10-13 03:05:34,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:05:34,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 03:05:34,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:05:34,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 03:05:34,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 03:05:34,040 INFO L87 Difference]: Start difference. First operand 79 states and 124 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 03:05:34,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:05:34,112 INFO L93 Difference]: Finished difference Result 235 states and 370 transitions. [2024-10-13 03:05:34,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 03:05:34,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 148 [2024-10-13 03:05:34,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:05:34,116 INFO L225 Difference]: With dead ends: 235 [2024-10-13 03:05:34,117 INFO L226 Difference]: Without dead ends: 157 [2024-10-13 03:05:34,118 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 03:05:34,119 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 80 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 03:05:34,119 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 251 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 03:05:34,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-10-13 03:05:34,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 154. [2024-10-13 03:05:34,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 107 states have (on average 1.4485981308411215) internal successors, (155), 107 states have internal predecessors, (155), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-13 03:05:34,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 243 transitions. [2024-10-13 03:05:34,151 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 243 transitions. Word has length 148 [2024-10-13 03:05:34,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:05:34,152 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 243 transitions. [2024-10-13 03:05:34,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 03:05:34,153 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 243 transitions. [2024-10-13 03:05:34,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-10-13 03:05:34,155 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:05:34,155 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:05:34,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 03:05:34,156 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:05:34,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:05:34,158 INFO L85 PathProgramCache]: Analyzing trace with hash 2025360208, now seen corresponding path program 1 times [2024-10-13 03:05:34,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:05:34,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050257953] [2024-10-13 03:05:34,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:05:34,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:05:34,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:34,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:05:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:34,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:05:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:34,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:05:34,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:34,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:05:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:34,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:05:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:34,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:05:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:34,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:05:34,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:34,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:05:34,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:34,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:05:34,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:34,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:05:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:34,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:05:34,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:34,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:05:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:34,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:05:34,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:34,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:05:34,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:34,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:05:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:34,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:05:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:34,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:05:34,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:34,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 03:05:34,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:34,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:05:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:34,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:05:34,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:34,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:05:34,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:34,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:05:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:34,942 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-13 03:05:34,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:05:34,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050257953] [2024-10-13 03:05:34,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050257953] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:05:34,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:05:34,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 03:05:34,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248433815] [2024-10-13 03:05:34,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:05:34,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 03:05:34,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:05:34,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 03:05:34,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 03:05:34,949 INFO L87 Difference]: Start difference. First operand 154 states and 243 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 03:05:35,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:05:35,022 INFO L93 Difference]: Finished difference Result 458 states and 725 transitions. [2024-10-13 03:05:35,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 03:05:35,023 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 149 [2024-10-13 03:05:35,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:05:35,026 INFO L225 Difference]: With dead ends: 458 [2024-10-13 03:05:35,026 INFO L226 Difference]: Without dead ends: 305 [2024-10-13 03:05:35,027 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 03:05:35,028 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 85 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 03:05:35,029 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 231 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 03:05:35,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-10-13 03:05:35,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 303. [2024-10-13 03:05:35,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 210 states have (on average 1.4476190476190476) internal successors, (304), 210 states have internal predecessors, (304), 88 states have call successors, (88), 4 states have call predecessors, (88), 4 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-10-13 03:05:35,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 480 transitions. [2024-10-13 03:05:35,066 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 480 transitions. Word has length 149 [2024-10-13 03:05:35,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:05:35,067 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 480 transitions. [2024-10-13 03:05:35,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 03:05:35,067 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 480 transitions. [2024-10-13 03:05:35,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-13 03:05:35,069 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:05:35,070 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:05:35,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 03:05:35,070 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:05:35,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:05:35,071 INFO L85 PathProgramCache]: Analyzing trace with hash -347527860, now seen corresponding path program 1 times [2024-10-13 03:05:35,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:05:35,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821105904] [2024-10-13 03:05:35,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:05:35,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:05:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:35,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:05:35,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:35,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:05:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:35,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:05:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:35,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:05:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:35,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:05:35,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:35,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:05:35,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:35,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:05:35,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:35,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:05:35,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:35,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:05:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:35,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:05:35,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:35,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:05:35,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:35,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:05:35,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:35,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:05:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:35,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:05:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:35,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:05:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:35,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:05:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:35,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:05:35,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:35,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 03:05:35,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:35,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:05:35,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:35,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:05:35,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:35,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:05:35,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:35,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:05:35,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:35,875 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-13 03:05:35,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:05:35,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821105904] [2024-10-13 03:05:35,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821105904] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:05:35,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:05:35,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 03:05:35,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921311439] [2024-10-13 03:05:35,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:05:35,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 03:05:35,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:05:35,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 03:05:35,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 03:05:35,879 INFO L87 Difference]: Start difference. First operand 303 states and 480 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 03:05:36,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:05:36,030 INFO L93 Difference]: Finished difference Result 666 states and 1054 transitions. [2024-10-13 03:05:36,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 03:05:36,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 150 [2024-10-13 03:05:36,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:05:36,035 INFO L225 Difference]: With dead ends: 666 [2024-10-13 03:05:36,036 INFO L226 Difference]: Without dead ends: 364 [2024-10-13 03:05:36,037 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 03:05:36,038 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 49 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 03:05:36,039 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 204 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 03:05:36,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-10-13 03:05:36,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 354. [2024-10-13 03:05:36,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 238 states have (on average 1.411764705882353) internal successors, (336), 238 states have internal predecessors, (336), 110 states have call successors, (110), 5 states have call predecessors, (110), 5 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) [2024-10-13 03:05:36,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 556 transitions. [2024-10-13 03:05:36,125 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 556 transitions. Word has length 150 [2024-10-13 03:05:36,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:05:36,125 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 556 transitions. [2024-10-13 03:05:36,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 03:05:36,126 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 556 transitions. [2024-10-13 03:05:36,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-10-13 03:05:36,127 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:05:36,128 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:05:36,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 03:05:36,128 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:05:36,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:05:36,129 INFO L85 PathProgramCache]: Analyzing trace with hash 1521619185, now seen corresponding path program 1 times [2024-10-13 03:05:36,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:05:36,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481845741] [2024-10-13 03:05:36,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:05:36,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:05:36,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:05:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:05:36,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:05:36,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:05:36,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:05:36,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:05:36,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:05:36,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:05:36,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:05:36,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:05:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:05:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:05:36,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:05:36,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:05:36,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:05:36,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:05:36,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:05:36,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 03:05:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:05:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:05:36,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:05:36,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:05:36,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,299 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-13 03:05:36,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:05:36,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481845741] [2024-10-13 03:05:36,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481845741] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:05:36,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:05:36,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 03:05:36,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855285908] [2024-10-13 03:05:36,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:05:36,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 03:05:36,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:05:36,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 03:05:36,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 03:05:36,303 INFO L87 Difference]: Start difference. First operand 354 states and 556 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 03:05:36,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:05:36,380 INFO L93 Difference]: Finished difference Result 688 states and 1091 transitions. [2024-10-13 03:05:36,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 03:05:36,380 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-10-13 03:05:36,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:05:36,385 INFO L225 Difference]: With dead ends: 688 [2024-10-13 03:05:36,385 INFO L226 Difference]: Without dead ends: 386 [2024-10-13 03:05:36,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 03:05:36,388 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 11 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 03:05:36,389 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 226 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 03:05:36,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2024-10-13 03:05:36,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 362. [2024-10-13 03:05:36,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 246 states have (on average 1.4146341463414633) internal successors, (348), 246 states have internal predecessors, (348), 110 states have call successors, (110), 5 states have call predecessors, (110), 5 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) [2024-10-13 03:05:36,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 568 transitions. [2024-10-13 03:05:36,454 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 568 transitions. Word has length 151 [2024-10-13 03:05:36,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:05:36,454 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 568 transitions. [2024-10-13 03:05:36,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 03:05:36,455 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 568 transitions. [2024-10-13 03:05:36,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-13 03:05:36,457 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:05:36,457 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:05:36,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 03:05:36,458 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:05:36,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:05:36,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1913082594, now seen corresponding path program 1 times [2024-10-13 03:05:36,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:05:36,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209113475] [2024-10-13 03:05:36,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:05:36,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:05:36,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:05:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:05:36,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:05:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:05:36,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:05:36,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:05:36,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:05:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:05:36,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:05:36,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:05:36,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:05:36,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:05:36,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:05:36,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:05:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:05:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:05:36,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:05:36,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 03:05:36,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:05:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:05:36,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:05:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:05:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:36,705 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-13 03:05:36,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:05:36,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209113475] [2024-10-13 03:05:36,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209113475] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:05:36,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:05:36,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 03:05:36,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418172502] [2024-10-13 03:05:36,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:05:36,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 03:05:36,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:05:36,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 03:05:36,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 03:05:36,708 INFO L87 Difference]: Start difference. First operand 362 states and 568 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 03:05:36,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:05:36,786 INFO L93 Difference]: Finished difference Result 682 states and 1076 transitions. [2024-10-13 03:05:36,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 03:05:36,787 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-10-13 03:05:36,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:05:36,792 INFO L225 Difference]: With dead ends: 682 [2024-10-13 03:05:36,793 INFO L226 Difference]: Without dead ends: 372 [2024-10-13 03:05:36,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 03:05:36,796 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 47 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 03:05:36,797 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 220 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 03:05:36,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2024-10-13 03:05:36,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 363. [2024-10-13 03:05:36,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 247 states have (on average 1.4129554655870444) internal successors, (349), 247 states have internal predecessors, (349), 110 states have call successors, (110), 5 states have call predecessors, (110), 5 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) [2024-10-13 03:05:36,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 569 transitions. [2024-10-13 03:05:36,842 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 569 transitions. Word has length 152 [2024-10-13 03:05:36,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:05:36,843 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 569 transitions. [2024-10-13 03:05:36,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 03:05:36,844 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 569 transitions. [2024-10-13 03:05:36,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-13 03:05:36,845 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:05:36,845 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:05:36,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 03:05:36,846 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:05:36,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:05:36,846 INFO L85 PathProgramCache]: Analyzing trace with hash 639385673, now seen corresponding path program 1 times [2024-10-13 03:05:36,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:05:36,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355936658] [2024-10-13 03:05:36,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:05:36,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:05:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:37,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:05:37,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:37,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:05:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:37,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:05:37,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:37,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:05:37,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:37,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:05:37,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:37,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:05:37,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:37,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:05:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:37,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:05:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:37,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:05:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:37,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:05:37,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:37,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:05:37,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:37,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:05:37,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:37,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:05:37,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:37,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:05:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:37,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:05:37,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:37,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:05:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:37,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:05:37,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:37,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 03:05:37,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:37,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:05:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:37,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:05:37,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:37,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:05:37,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:37,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:05:37,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:37,858 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-13 03:05:37,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:05:37,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355936658] [2024-10-13 03:05:37,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355936658] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:05:37,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:05:37,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 03:05:37,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571481305] [2024-10-13 03:05:37,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:05:37,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 03:05:37,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:05:37,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 03:05:37,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 03:05:37,867 INFO L87 Difference]: Start difference. First operand 363 states and 569 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 03:05:38,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:05:38,224 INFO L93 Difference]: Finished difference Result 692 states and 1088 transitions. [2024-10-13 03:05:38,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 03:05:38,224 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-10-13 03:05:38,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:05:38,227 INFO L225 Difference]: With dead ends: 692 [2024-10-13 03:05:38,228 INFO L226 Difference]: Without dead ends: 370 [2024-10-13 03:05:38,230 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-13 03:05:38,230 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 52 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 03:05:38,233 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 347 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 03:05:38,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-10-13 03:05:38,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 363. [2024-10-13 03:05:38,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 247 states have (on average 1.408906882591093) internal successors, (348), 247 states have internal predecessors, (348), 110 states have call successors, (110), 5 states have call predecessors, (110), 5 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) [2024-10-13 03:05:38,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 568 transitions. [2024-10-13 03:05:38,287 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 568 transitions. Word has length 152 [2024-10-13 03:05:38,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:05:38,287 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 568 transitions. [2024-10-13 03:05:38,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 03:05:38,288 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 568 transitions. [2024-10-13 03:05:38,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-13 03:05:38,289 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:05:38,289 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:05:38,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 03:05:38,290 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:05:38,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:05:38,290 INFO L85 PathProgramCache]: Analyzing trace with hash -2067233721, now seen corresponding path program 1 times [2024-10-13 03:05:38,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:05:38,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263137224] [2024-10-13 03:05:38,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:05:38,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:05:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:46,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:05:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:46,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:05:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:46,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:05:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:46,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:05:46,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:46,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:05:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:46,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:05:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:46,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:05:46,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:46,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:05:46,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:46,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:05:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:46,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:05:46,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:46,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:05:46,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:46,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:05:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:46,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:05:46,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:46,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:05:46,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:46,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:05:46,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:46,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:05:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:46,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:05:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:46,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 03:05:46,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:46,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:05:46,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:46,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:05:46,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:46,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:05:46,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:46,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:05:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:46,961 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-13 03:05:46,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:05:46,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263137224] [2024-10-13 03:05:46,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263137224] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:05:46,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:05:46,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-13 03:05:46,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483331563] [2024-10-13 03:05:46,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:05:46,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-13 03:05:46,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:05:46,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 03:05:46,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-10-13 03:05:46,971 INFO L87 Difference]: Start difference. First operand 363 states and 568 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, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 03:05:51,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:05:51,019 INFO L93 Difference]: Finished difference Result 688 states and 1050 transitions. [2024-10-13 03:05:51,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-13 03:05:51,020 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, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-10-13 03:05:51,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:05:51,025 INFO L225 Difference]: With dead ends: 688 [2024-10-13 03:05:51,025 INFO L226 Difference]: Without dead ends: 686 [2024-10-13 03:05:51,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=322, Invalid=800, Unknown=0, NotChecked=0, Total=1122 [2024-10-13 03:05:51,026 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 369 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 831 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-13 03:05:51,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 627 Invalid, 924 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 831 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-13 03:05:51,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2024-10-13 03:05:51,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 552. [2024-10-13 03:05:51,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 390 states have (on average 1.4230769230769231) internal successors, (555), 390 states have internal predecessors, (555), 154 states have call successors, (154), 7 states have call predecessors, (154), 7 states have return successors, (154), 154 states have call predecessors, (154), 154 states have call successors, (154) [2024-10-13 03:05:51,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 863 transitions. [2024-10-13 03:05:51,105 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 863 transitions. Word has length 152 [2024-10-13 03:05:51,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:05:51,106 INFO L471 AbstractCegarLoop]: Abstraction has 552 states and 863 transitions. [2024-10-13 03:05:51,106 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, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 03:05:51,106 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 863 transitions. [2024-10-13 03:05:51,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-13 03:05:51,108 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:05:51,108 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:05:51,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 03:05:51,109 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:05:51,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:05:51,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1834706565, now seen corresponding path program 1 times [2024-10-13 03:05:51,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:05:51,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797444887] [2024-10-13 03:05:51,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:05:51,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:05:51,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:51,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:05:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:51,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:05:51,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:51,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:05:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:51,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:05:51,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:51,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:05:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:51,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:05:51,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:51,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:05:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:51,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:05:51,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:51,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:05:51,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:51,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:05:51,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:51,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:05:51,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:51,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:05:51,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:51,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:05:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:51,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:05:51,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:51,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:05:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:51,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:05:51,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:51,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:05:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:51,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 03:05:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:51,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:05:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:51,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:05:51,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:51,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:05:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:51,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:05:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:51,323 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-13 03:05:51,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:05:51,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797444887] [2024-10-13 03:05:51,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797444887] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:05:51,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:05:51,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 03:05:51,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025046295] [2024-10-13 03:05:51,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:05:51,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 03:05:51,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:05:51,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 03:05:51,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 03:05:51,325 INFO L87 Difference]: Start difference. First operand 552 states and 863 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 03:05:51,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:05:51,472 INFO L93 Difference]: Finished difference Result 1169 states and 1841 transitions. [2024-10-13 03:05:51,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 03:05:51,473 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-10-13 03:05:51,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:05:51,477 INFO L225 Difference]: With dead ends: 1169 [2024-10-13 03:05:51,478 INFO L226 Difference]: Without dead ends: 670 [2024-10-13 03:05:51,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 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 03:05:51,481 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 138 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 03:05:51,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 482 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 03:05:51,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2024-10-13 03:05:51,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 473. [2024-10-13 03:05:51,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 334 states have (on average 1.4251497005988023) internal successors, (476), 334 states have internal predecessors, (476), 132 states have call successors, (132), 6 states have call predecessors, (132), 6 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) [2024-10-13 03:05:51,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 740 transitions. [2024-10-13 03:05:51,531 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 740 transitions. Word has length 152 [2024-10-13 03:05:51,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:05:51,531 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 740 transitions. [2024-10-13 03:05:51,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 03:05:51,531 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 740 transitions. [2024-10-13 03:05:51,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-13 03:05:51,534 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:05:51,534 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:05:51,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 03:05:51,534 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:05:51,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:05:51,535 INFO L85 PathProgramCache]: Analyzing trace with hash -835083449, now seen corresponding path program 1 times [2024-10-13 03:05:51,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:05:51,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248432380] [2024-10-13 03:05:51,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:05:51,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:05:51,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:57,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:05:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:57,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:05:57,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:57,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:05:57,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:57,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:05:57,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:57,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:05:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:57,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:05:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:57,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:05:57,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:57,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:05:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:57,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:05:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:57,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:05:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:57,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:05:57,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:57,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:05:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:57,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:05:57,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:57,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:05:57,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:57,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:05:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:57,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:05:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:57,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:05:57,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:57,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 03:05:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:57,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:05:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:57,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:05:57,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:57,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:05:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:57,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:05:57,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:57,182 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-13 03:05:57,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:05:57,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248432380] [2024-10-13 03:05:57,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248432380] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:05:57,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:05:57,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-13 03:05:57,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891269476] [2024-10-13 03:05:57,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:05:57,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 03:05:57,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:05:57,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 03:05:57,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-10-13 03:05:57,185 INFO L87 Difference]: Start difference. First operand 473 states and 740 transitions. Second operand has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 03:05:58,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:05:58,313 INFO L93 Difference]: Finished difference Result 825 states and 1273 transitions. [2024-10-13 03:05:58,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 03:05:58,313 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-10-13 03:05:58,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:05:58,319 INFO L225 Difference]: With dead ends: 825 [2024-10-13 03:05:58,320 INFO L226 Difference]: Without dead ends: 564 [2024-10-13 03:05:58,321 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2024-10-13 03:05:58,321 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 245 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-13 03:05:58,321 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 592 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-13 03:05:58,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2024-10-13 03:05:58,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 493. [2024-10-13 03:05:58,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 493 states, 346 states have (on average 1.4017341040462428) internal successors, (485), 347 states have internal predecessors, (485), 138 states have call successors, (138), 8 states have call predecessors, (138), 8 states have return successors, (138), 137 states have call predecessors, (138), 138 states have call successors, (138) [2024-10-13 03:05:58,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 761 transitions. [2024-10-13 03:05:58,376 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 761 transitions. Word has length 152 [2024-10-13 03:05:58,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:05:58,377 INFO L471 AbstractCegarLoop]: Abstraction has 493 states and 761 transitions. [2024-10-13 03:05:58,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 03:05:58,377 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 761 transitions. [2024-10-13 03:05:58,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-13 03:05:58,379 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:05:58,379 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:05:58,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 03:05:58,380 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:05:58,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:05:58,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1640927561, now seen corresponding path program 1 times [2024-10-13 03:05:58,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:05:58,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259351806] [2024-10-13 03:05:58,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:05:58,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:05:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:58,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:05:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:58,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:05:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:58,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:05:58,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:58,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:05:58,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:58,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:05:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:58,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:05:58,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:58,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:05:58,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:58,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:05:58,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:58,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:05:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:58,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:05:58,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:58,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:05:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:58,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:05:58,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:58,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:05:58,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:58,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:05:58,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:58,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:05:58,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:58,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:05:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:58,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:05:58,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:58,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 03:05:58,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:58,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:05:58,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:58,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:05:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:58,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:05:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:58,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:05:58,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:05:58,571 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-13 03:05:58,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:05:58,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259351806] [2024-10-13 03:05:58,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259351806] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:05:58,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:05:58,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 03:05:58,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837287969] [2024-10-13 03:05:58,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:05:58,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 03:05:58,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:05:58,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 03:05:58,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 03:05:58,573 INFO L87 Difference]: Start difference. First operand 493 states and 761 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 03:05:58,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:05:58,728 INFO L93 Difference]: Finished difference Result 650 states and 1008 transitions. [2024-10-13 03:05:58,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 03:05:58,729 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-10-13 03:05:58,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:05:58,733 INFO L225 Difference]: With dead ends: 650 [2024-10-13 03:05:58,734 INFO L226 Difference]: Without dead ends: 334 [2024-10-13 03:05:58,735 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-13 03:05:58,736 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 126 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 03:05:58,737 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 182 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 03:05:58,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-10-13 03:05:58,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 328. [2024-10-13 03:05:58,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 227 states have (on average 1.3524229074889869) internal successors, (307), 228 states have internal predecessors, (307), 94 states have call successors, (94), 6 states have call predecessors, (94), 6 states have return successors, (94), 93 states have call predecessors, (94), 94 states have call successors, (94) [2024-10-13 03:05:58,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 495 transitions. [2024-10-13 03:05:58,772 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 495 transitions. Word has length 152 [2024-10-13 03:05:58,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:05:58,772 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 495 transitions. [2024-10-13 03:05:58,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 03:05:58,773 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 495 transitions. [2024-10-13 03:05:58,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-10-13 03:05:58,774 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:05:58,775 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:05:58,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 03:05:58,776 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:05:58,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:05:58,776 INFO L85 PathProgramCache]: Analyzing trace with hash 339765477, now seen corresponding path program 1 times [2024-10-13 03:05:58,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:05:58,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107373840] [2024-10-13 03:05:58,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:05:58,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:05:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:04,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:06:04,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:04,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:06:04,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:04,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:06:04,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:04,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:06:04,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:04,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:06:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:04,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:06:04,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:04,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:06:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:04,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:06:04,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:04,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:06:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:04,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:06:04,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:04,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:06:04,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:04,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:06:04,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:04,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:06:04,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:04,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:06:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:04,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:06:04,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:04,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:06:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:04,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:06:04,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:04,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 03:06:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:04,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:06:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:04,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:06:04,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:04,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:06:04,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:04,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:06:04,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:04,329 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-13 03:06:04,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:06:04,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107373840] [2024-10-13 03:06:04,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107373840] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:06:04,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:06:04,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-13 03:06:04,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851949247] [2024-10-13 03:06:04,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:06:04,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 03:06:04,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:06:04,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 03:06:04,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-10-13 03:06:04,332 INFO L87 Difference]: Start difference. First operand 328 states and 495 transitions. Second operand has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 03:06:05,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:06:05,976 INFO L93 Difference]: Finished difference Result 616 states and 929 transitions. [2024-10-13 03:06:05,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-13 03:06:05,977 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 153 [2024-10-13 03:06:05,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:06:05,980 INFO L225 Difference]: With dead ends: 616 [2024-10-13 03:06:05,980 INFO L226 Difference]: Without dead ends: 345 [2024-10-13 03:06:05,981 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=228, Invalid=642, Unknown=0, NotChecked=0, Total=870 [2024-10-13 03:06:05,981 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 264 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 03:06:05,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 524 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 03:06:05,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-10-13 03:06:06,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 331. [2024-10-13 03:06:06,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 230 states have (on average 1.3304347826086957) internal successors, (306), 231 states have internal predecessors, (306), 94 states have call successors, (94), 6 states have call predecessors, (94), 6 states have return successors, (94), 93 states have call predecessors, (94), 94 states have call successors, (94) [2024-10-13 03:06:06,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 494 transitions. [2024-10-13 03:06:06,019 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 494 transitions. Word has length 153 [2024-10-13 03:06:06,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:06:06,019 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 494 transitions. [2024-10-13 03:06:06,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-13 03:06:06,020 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 494 transitions. [2024-10-13 03:06:06,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-10-13 03:06:06,022 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:06:06,022 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:06:06,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-13 03:06:06,023 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:06:06,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:06:06,023 INFO L85 PathProgramCache]: Analyzing trace with hash 582782823, now seen corresponding path program 1 times [2024-10-13 03:06:06,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:06:06,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426226371] [2024-10-13 03:06:06,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:06:06,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:06:06,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:13,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:06:13,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:13,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:06:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:13,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:06:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:13,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:06:13,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:13,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:06:13,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:13,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:06:13,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:13,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:06:13,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:13,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:06:13,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:13,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:06:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:13,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:06:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:13,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:06:13,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:13,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:06:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:13,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:06:13,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:13,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:06:13,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:13,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:06:13,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:13,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:06:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:13,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:06:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:13,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 03:06:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:13,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:06:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:13,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:06:13,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:13,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:06:13,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:13,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:06:13,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:13,699 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-13 03:06:13,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:06:13,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426226371] [2024-10-13 03:06:13,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426226371] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:06:13,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:06:13,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 03:06:13,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567271544] [2024-10-13 03:06:13,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:06:13,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 03:06:13,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:06:13,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 03:06:13,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-13 03:06:13,702 INFO L87 Difference]: Start difference. First operand 331 states and 494 transitions. Second operand has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 3 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-10-13 03:06:14,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:06:14,458 INFO L93 Difference]: Finished difference Result 630 states and 942 transitions. [2024-10-13 03:06:14,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 03:06:14,459 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 3 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 153 [2024-10-13 03:06:14,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:06:14,463 INFO L225 Difference]: With dead ends: 630 [2024-10-13 03:06:14,464 INFO L226 Difference]: Without dead ends: 356 [2024-10-13 03:06:14,466 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-10-13 03:06:14,466 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 115 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 665 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 03:06:14,466 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 665 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 03:06:14,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-10-13 03:06:14,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 339. [2024-10-13 03:06:14,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 238 states have (on average 1.3361344537815125) internal successors, (318), 239 states have internal predecessors, (318), 94 states have call successors, (94), 6 states have call predecessors, (94), 6 states have return successors, (94), 93 states have call predecessors, (94), 94 states have call successors, (94) [2024-10-13 03:06:14,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 506 transitions. [2024-10-13 03:06:14,501 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 506 transitions. Word has length 153 [2024-10-13 03:06:14,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:06:14,501 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 506 transitions. [2024-10-13 03:06:14,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 3 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-10-13 03:06:14,501 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 506 transitions. [2024-10-13 03:06:14,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-10-13 03:06:14,505 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:06:14,506 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:06:14,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-13 03:06:14,506 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:06:14,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:06:14,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1233499808, now seen corresponding path program 1 times [2024-10-13 03:06:14,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:06:14,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501794828] [2024-10-13 03:06:14,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:06:14,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:06:14,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:06:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:06:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:06:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:06:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:06:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:06:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:06:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:06:14,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:06:14,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:06:14,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:06:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:06:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:06:14,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:06:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:06:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:06:14,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:06:14,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 03:06:14,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:06:14,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:06:14,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:06:14,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:06:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 03:06:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-13 03:06:14,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-13 03:06:14,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-13 03:06:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 03:06:14,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-13 03:06:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-13 03:06:14,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 03:06:14,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-13 03:06:14,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-13 03:06:14,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-13 03:06:14,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 03:06:14,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-13 03:06:14,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-13 03:06:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-13 03:06:14,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-13 03:06:14,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-13 03:06:14,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-13 03:06:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-13 03:06:14,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-13 03:06:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-13 03:06:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-13 03:06:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:14,762 INFO L134 CoverageAnalysis]: Checked inductivity of 3842 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-13 03:06:14,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:06:14,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501794828] [2024-10-13 03:06:14,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501794828] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:06:14,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:06:14,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 03:06:14,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5483858] [2024-10-13 03:06:14,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:06:14,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 03:06:14,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:06:14,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 03:06:14,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 03:06:14,766 INFO L87 Difference]: Start difference. First operand 339 states and 506 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-10-13 03:06:15,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:06:15,067 INFO L93 Difference]: Finished difference Result 825 states and 1248 transitions. [2024-10-13 03:06:15,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 03:06:15,068 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 300 [2024-10-13 03:06:15,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:06:15,072 INFO L225 Difference]: With dead ends: 825 [2024-10-13 03:06:15,073 INFO L226 Difference]: Without dead ends: 551 [2024-10-13 03:06:15,074 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-13 03:06:15,074 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 374 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 03:06:15,075 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 461 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 03:06:15,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2024-10-13 03:06:15,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 492. [2024-10-13 03:06:15,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 328 states have (on average 1.3048780487804879) internal successors, (428), 328 states have internal predecessors, (428), 154 states have call successors, (154), 9 states have call predecessors, (154), 9 states have return successors, (154), 154 states have call predecessors, (154), 154 states have call successors, (154) [2024-10-13 03:06:15,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 736 transitions. [2024-10-13 03:06:15,128 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 736 transitions. Word has length 300 [2024-10-13 03:06:15,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:06:15,128 INFO L471 AbstractCegarLoop]: Abstraction has 492 states and 736 transitions. [2024-10-13 03:06:15,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-10-13 03:06:15,129 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 736 transitions. [2024-10-13 03:06:15,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2024-10-13 03:06:15,131 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:06:15,131 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:06:15,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-13 03:06:15,132 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:06:15,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:06:15,133 INFO L85 PathProgramCache]: Analyzing trace with hash -470712556, now seen corresponding path program 1 times [2024-10-13 03:06:15,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:06:15,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870110864] [2024-10-13 03:06:15,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:06:15,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:06:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:06:15,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:06:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:06:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:06:15,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:06:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:06:15,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:06:15,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:06:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:06:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:06:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:06:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:06:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:06:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:06:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:06:15,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:06:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:06:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 03:06:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:06:15,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:06:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:06:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:06:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 03:06:15,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-13 03:06:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-13 03:06:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-13 03:06:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 03:06:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-13 03:06:15,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-13 03:06:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 03:06:15,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-13 03:06:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-13 03:06:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-13 03:06:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 03:06:15,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-13 03:06:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-13 03:06:15,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-13 03:06:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-13 03:06:15,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-13 03:06:15,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-13 03:06:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-13 03:06:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-13 03:06:15,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-13 03:06:15,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-13 03:06:15,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:15,332 INFO L134 CoverageAnalysis]: Checked inductivity of 3843 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-13 03:06:15,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:06:15,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870110864] [2024-10-13 03:06:15,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870110864] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 03:06:15,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 03:06:15,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 03:06:15,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167160510] [2024-10-13 03:06:15,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 03:06:15,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 03:06:15,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 03:06:15,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 03:06:15,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 03:06:15,334 INFO L87 Difference]: Start difference. First operand 492 states and 736 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-10-13 03:06:15,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 03:06:15,423 INFO L93 Difference]: Finished difference Result 1043 states and 1581 transitions. [2024-10-13 03:06:15,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 03:06:15,424 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 301 [2024-10-13 03:06:15,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 03:06:15,430 INFO L225 Difference]: With dead ends: 1043 [2024-10-13 03:06:15,430 INFO L226 Difference]: Without dead ends: 771 [2024-10-13 03:06:15,432 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 03:06:15,434 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 61 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 03:06:15,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 326 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 03:06:15,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2024-10-13 03:06:15,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 714. [2024-10-13 03:06:15,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 714 states, 458 states have (on average 1.2838427947598254) internal successors, (588), 458 states have internal predecessors, (588), 242 states have call successors, (242), 13 states have call predecessors, (242), 13 states have return successors, (242), 242 states have call predecessors, (242), 242 states have call successors, (242) [2024-10-13 03:06:15,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 714 states and 1072 transitions. [2024-10-13 03:06:15,504 INFO L78 Accepts]: Start accepts. Automaton has 714 states and 1072 transitions. Word has length 301 [2024-10-13 03:06:15,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 03:06:15,505 INFO L471 AbstractCegarLoop]: Abstraction has 714 states and 1072 transitions. [2024-10-13 03:06:15,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-10-13 03:06:15,505 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 1072 transitions. [2024-10-13 03:06:15,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-10-13 03:06:15,507 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 03:06:15,507 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 03:06:15,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-13 03:06:15,508 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 03:06:15,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 03:06:15,508 INFO L85 PathProgramCache]: Analyzing trace with hash 718115083, now seen corresponding path program 1 times [2024-10-13 03:06:15,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 03:06:15,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250166498] [2024-10-13 03:06:15,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:06:15,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 03:06:15,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 03:06:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 03:06:16,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 03:06:16,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 03:06:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 03:06:16,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 03:06:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 03:06:16,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 03:06:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 03:06:16,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 03:06:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 03:06:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 03:06:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 03:06:16,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 03:06:16,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-13 03:06:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 03:06:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-13 03:06:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 03:06:16,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 03:06:16,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 03:06:16,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 03:06:16,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 03:06:16,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-13 03:06:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-13 03:06:16,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-13 03:06:16,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-13 03:06:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 03:06:16,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-13 03:06:16,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-13 03:06:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 03:06:16,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-13 03:06:16,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-13 03:06:16,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-13 03:06:16,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 03:06:16,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-13 03:06:16,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-13 03:06:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-13 03:06:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-13 03:06:16,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-13 03:06:16,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-13 03:06:16,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-13 03:06:16,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-13 03:06:16,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-13 03:06:16,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-13 03:06:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,323 INFO L134 CoverageAnalysis]: Checked inductivity of 3843 backedges. 18 proven. 41 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-13 03:06:16,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 03:06:16,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250166498] [2024-10-13 03:06:16,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250166498] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 03:06:16,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813143541] [2024-10-13 03:06:16,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 03:06:16,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 03:06:16,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 03:06:16,328 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 03:06:16,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 03:06:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 03:06:16,552 INFO L255 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-13 03:06:16,573 INFO L278 TraceCheckSpWp]: Computing forward predicates...