./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-31.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-31.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0facbc53e01d120e629a50b5211a29fd2bc23d2bc5e324a9623e8d1b2c65da11 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 11:12:29,296 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 11:12:29,383 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 11:12:29,389 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 11:12:29,393 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 11:12:29,420 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 11:12:29,423 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 11:12:29,423 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 11:12:29,424 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 11:12:29,425 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 11:12:29,426 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 11:12:29,426 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 11:12:29,427 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 11:12:29,429 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 11:12:29,429 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 11:12:29,430 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 11:12:29,430 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 11:12:29,430 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 11:12:29,430 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 11:12:29,431 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 11:12:29,431 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 11:12:29,435 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 11:12:29,435 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 11:12:29,436 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 11:12:29,436 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 11:12:29,436 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 11:12:29,437 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 11:12:29,437 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 11:12:29,437 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 11:12:29,437 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 11:12:29,438 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 11:12:29,438 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 11:12:29,438 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 11:12:29,438 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 11:12:29,439 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 11:12:29,439 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 11:12:29,439 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 11:12:29,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 11:12:29,441 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 11:12:29,441 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 11:12:29,441 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 11:12:29,442 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 11:12:29,442 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0facbc53e01d120e629a50b5211a29fd2bc23d2bc5e324a9623e8d1b2c65da11 [2024-10-14 11:12:29,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 11:12:29,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 11:12:29,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 11:12:29,752 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 11:12:29,753 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 11:12:29,754 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-31.i [2024-10-14 11:12:31,288 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 11:12:31,542 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 11:12:31,544 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-31.i [2024-10-14 11:12:31,557 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65d42b62f/479df7a91f8e41e9872da65629cac40c/FLAGa08e341a2 [2024-10-14 11:12:31,573 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65d42b62f/479df7a91f8e41e9872da65629cac40c [2024-10-14 11:12:31,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 11:12:31,577 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 11:12:31,578 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 11:12:31,578 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 11:12:31,585 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 11:12:31,586 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:12:31" (1/1) ... [2024-10-14 11:12:31,587 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d28dadd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:31, skipping insertion in model container [2024-10-14 11:12:31,587 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:12:31" (1/1) ... [2024-10-14 11:12:31,624 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 11:12:31,795 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-31.i[916,929] [2024-10-14 11:12:31,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 11:12:31,904 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 11:12:31,922 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-31.i[916,929] [2024-10-14 11:12:31,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 11:12:31,997 INFO L204 MainTranslator]: Completed translation [2024-10-14 11:12:31,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:31 WrapperNode [2024-10-14 11:12:31,998 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 11:12:31,999 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 11:12:31,999 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 11:12:32,000 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 11:12:32,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:31" (1/1) ... [2024-10-14 11:12:32,027 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:31" (1/1) ... [2024-10-14 11:12:32,082 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 264 [2024-10-14 11:12:32,082 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 11:12:32,083 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 11:12:32,085 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 11:12:32,085 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 11:12:32,095 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:31" (1/1) ... [2024-10-14 11:12:32,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:31" (1/1) ... [2024-10-14 11:12:32,104 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:31" (1/1) ... [2024-10-14 11:12:32,142 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 11:12:32,143 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:31" (1/1) ... [2024-10-14 11:12:32,143 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:31" (1/1) ... [2024-10-14 11:12:32,163 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:31" (1/1) ... [2024-10-14 11:12:32,167 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:31" (1/1) ... [2024-10-14 11:12:32,170 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:31" (1/1) ... [2024-10-14 11:12:32,173 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:31" (1/1) ... [2024-10-14 11:12:32,182 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 11:12:32,186 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 11:12:32,186 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 11:12:32,186 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 11:12:32,187 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:31" (1/1) ... [2024-10-14 11:12:32,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 11:12:32,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 11:12:32,221 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 11:12:32,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 11:12:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 11:12:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 11:12:32,270 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 11:12:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 11:12:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 11:12:32,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 11:12:32,380 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 11:12:32,383 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 11:12:32,933 INFO L? ?]: Removed 42 outVars from TransFormulas that were not future-live. [2024-10-14 11:12:32,934 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 11:12:32,972 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 11:12:32,973 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 11:12:32,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:12:32 BoogieIcfgContainer [2024-10-14 11:12:32,974 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 11:12:32,977 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 11:12:32,978 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 11:12:32,981 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 11:12:32,982 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:12:31" (1/3) ... [2024-10-14 11:12:32,983 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bad484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:12:32, skipping insertion in model container [2024-10-14 11:12:32,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:12:31" (2/3) ... [2024-10-14 11:12:32,984 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bad484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:12:32, skipping insertion in model container [2024-10-14 11:12:32,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:12:32" (3/3) ... [2024-10-14 11:12:32,986 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-31.i [2024-10-14 11:12:33,008 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 11:12:33,008 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 11:12:33,073 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 11:12:33,079 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;@2db32046, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 11:12:33,079 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 11:12:33,083 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 71 states have (on average 1.5070422535211268) internal successors, (107), 72 states have internal predecessors, (107), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-10-14 11:12:33,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-10-14 11:12:33,095 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:12:33,096 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:12:33,097 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:12:33,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:12:33,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1819273746, now seen corresponding path program 1 times [2024-10-14 11:12:33,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:12:33,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930861251] [2024-10-14 11:12:33,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:12:33,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:12:33,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:33,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:12:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:33,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:12:33,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:33,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 11:12:33,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:33,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:12:33,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:33,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 11:12:33,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:33,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:12:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:33,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 11:12:33,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:33,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:12:33,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:33,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 11:12:33,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:33,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:12:33,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:33,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 11:12:33,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:33,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:12:33,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:33,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 11:12:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:33,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 11:12:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:33,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 11:12:33,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:33,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 11:12:33,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:33,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 11:12:33,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:33,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 11:12:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:33,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 11:12:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:33,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 11:12:33,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:33,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 11:12:33,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:33,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 11:12:33,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:33,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 11:12:33,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:33,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 11:12:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:33,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 11:12:33,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:33,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 11:12:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:33,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-14 11:12:33,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:12:33,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930861251] [2024-10-14 11:12:33,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930861251] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:12:33,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:12:33,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 11:12:33,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450114423] [2024-10-14 11:12:33,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:12:33,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 11:12:33,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:12:33,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 11:12:33,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 11:12:33,710 INFO L87 Difference]: Start difference. First operand has 100 states, 71 states have (on average 1.5070422535211268) internal successors, (107), 72 states have internal predecessors, (107), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-10-14 11:12:33,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:12:33,786 INFO L93 Difference]: Finished difference Result 189 states and 328 transitions. [2024-10-14 11:12:33,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 11:12:33,789 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 168 [2024-10-14 11:12:33,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:12:33,801 INFO L225 Difference]: With dead ends: 189 [2024-10-14 11:12:33,801 INFO L226 Difference]: Without dead ends: 88 [2024-10-14 11:12:33,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 11:12:33,809 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 11:12:33,812 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 11:12:33,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-10-14 11:12:33,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-10-14 11:12:33,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 60 states have (on average 1.4333333333333333) internal successors, (86), 60 states have internal predecessors, (86), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-10-14 11:12:33,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 138 transitions. [2024-10-14 11:12:33,857 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 138 transitions. Word has length 168 [2024-10-14 11:12:33,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:12:33,857 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 138 transitions. [2024-10-14 11:12:33,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-10-14 11:12:33,858 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 138 transitions. [2024-10-14 11:12:33,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-10-14 11:12:33,861 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:12:33,861 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:12:33,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 11:12:33,862 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:12:33,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:12:33,862 INFO L85 PathProgramCache]: Analyzing trace with hash 451323046, now seen corresponding path program 1 times [2024-10-14 11:12:33,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:12:33,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111647186] [2024-10-14 11:12:33,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:12:33,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:12:33,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:34,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:12:34,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:34,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:12:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:34,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 11:12:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:34,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:12:34,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:34,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 11:12:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:34,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:12:34,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:34,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 11:12:34,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:34,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:12:34,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:34,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 11:12:34,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:34,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:12:34,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:34,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 11:12:34,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:34,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:12:34,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:34,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 11:12:34,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:34,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 11:12:34,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:34,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 11:12:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:34,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 11:12:34,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:34,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 11:12:34,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:34,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 11:12:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:34,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 11:12:34,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:34,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 11:12:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:34,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 11:12:34,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:34,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 11:12:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:34,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 11:12:34,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:34,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 11:12:34,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:34,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 11:12:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:34,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 11:12:34,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:34,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-14 11:12:34,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:12:34,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111647186] [2024-10-14 11:12:34,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111647186] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:12:34,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:12:34,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 11:12:34,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50201015] [2024-10-14 11:12:34,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:12:34,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 11:12:34,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:12:34,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 11:12:34,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 11:12:34,815 INFO L87 Difference]: Start difference. First operand 88 states and 138 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 11:12:35,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:12:35,073 INFO L93 Difference]: Finished difference Result 262 states and 411 transitions. [2024-10-14 11:12:35,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 11:12:35,075 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 168 [2024-10-14 11:12:35,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:12:35,082 INFO L225 Difference]: With dead ends: 262 [2024-10-14 11:12:35,083 INFO L226 Difference]: Without dead ends: 175 [2024-10-14 11:12:35,084 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 11:12:35,087 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 88 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 11:12:35,087 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 382 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 11:12:35,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-10-14 11:12:35,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 139. [2024-10-14 11:12:35,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 84 states have (on average 1.3333333333333333) internal successors, (112), 84 states have internal predecessors, (112), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-10-14 11:12:35,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 216 transitions. [2024-10-14 11:12:35,130 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 216 transitions. Word has length 168 [2024-10-14 11:12:35,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:12:35,131 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 216 transitions. [2024-10-14 11:12:35,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 11:12:35,131 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 216 transitions. [2024-10-14 11:12:35,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-10-14 11:12:35,137 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:12:35,137 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:12:35,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 11:12:35,137 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:12:35,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:12:35,138 INFO L85 PathProgramCache]: Analyzing trace with hash 2032678183, now seen corresponding path program 1 times [2024-10-14 11:12:35,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:12:35,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284779918] [2024-10-14 11:12:35,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:12:35,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:12:35,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:35,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:12:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:35,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:12:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:35,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 11:12:35,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:35,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:12:35,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:35,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 11:12:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:35,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:12:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:35,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 11:12:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:35,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:12:35,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:35,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 11:12:35,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:35,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:12:35,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:35,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 11:12:35,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:35,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:12:35,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:35,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 11:12:35,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:35,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 11:12:35,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:35,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 11:12:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:35,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 11:12:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:35,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 11:12:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:35,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 11:12:35,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:35,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 11:12:35,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:35,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 11:12:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:35,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 11:12:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:35,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 11:12:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:35,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 11:12:35,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:35,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 11:12:35,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:35,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 11:12:35,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:35,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 11:12:35,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:35,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-14 11:12:35,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:12:35,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284779918] [2024-10-14 11:12:35,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284779918] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:12:35,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:12:35,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 11:12:35,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851942907] [2024-10-14 11:12:35,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:12:35,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 11:12:35,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:12:35,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 11:12:35,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 11:12:35,636 INFO L87 Difference]: Start difference. First operand 139 states and 216 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 11:12:35,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:12:35,927 INFO L93 Difference]: Finished difference Result 377 states and 587 transitions. [2024-10-14 11:12:35,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 11:12:35,927 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 169 [2024-10-14 11:12:35,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:12:35,932 INFO L225 Difference]: With dead ends: 377 [2024-10-14 11:12:35,935 INFO L226 Difference]: Without dead ends: 290 [2024-10-14 11:12:35,936 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-14 11:12:35,937 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 203 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 11:12:35,939 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 630 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 11:12:35,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-10-14 11:12:35,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 204. [2024-10-14 11:12:35,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 122 states have (on average 1.3114754098360655) internal successors, (160), 122 states have internal predecessors, (160), 78 states have call successors, (78), 3 states have call predecessors, (78), 3 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2024-10-14 11:12:35,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 316 transitions. [2024-10-14 11:12:35,974 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 316 transitions. Word has length 169 [2024-10-14 11:12:35,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:12:35,975 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 316 transitions. [2024-10-14 11:12:35,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 11:12:35,975 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 316 transitions. [2024-10-14 11:12:35,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-10-14 11:12:35,977 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:12:35,977 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:12:35,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 11:12:35,978 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:12:35,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:12:35,978 INFO L85 PathProgramCache]: Analyzing trace with hash 343734441, now seen corresponding path program 1 times [2024-10-14 11:12:35,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:12:35,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117650143] [2024-10-14 11:12:35,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:12:35,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:12:36,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:12:36,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:12:36,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 11:12:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:12:36,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 11:12:36,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:12:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 11:12:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:12:36,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 11:12:36,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:12:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 11:12:36,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:12:36,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 11:12:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 11:12:36,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 11:12:36,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 11:12:36,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 11:12:36,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 11:12:36,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 11:12:36,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 11:12:36,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 11:12:36,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 11:12:36,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 11:12:36,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 11:12:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 11:12:36,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 11:12:36,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-14 11:12:36,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:12:36,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117650143] [2024-10-14 11:12:36,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117650143] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:12:36,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:12:36,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 11:12:36,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590130545] [2024-10-14 11:12:36,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:12:36,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 11:12:36,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:12:36,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 11:12:36,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 11:12:36,373 INFO L87 Difference]: Start difference. First operand 204 states and 316 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 11:12:36,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:12:36,597 INFO L93 Difference]: Finished difference Result 406 states and 627 transitions. [2024-10-14 11:12:36,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 11:12:36,598 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 169 [2024-10-14 11:12:36,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:12:36,601 INFO L225 Difference]: With dead ends: 406 [2024-10-14 11:12:36,601 INFO L226 Difference]: Without dead ends: 254 [2024-10-14 11:12:36,602 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 11:12:36,605 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 78 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 11:12:36,606 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 368 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 11:12:36,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2024-10-14 11:12:36,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 210. [2024-10-14 11:12:36,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 128 states have (on average 1.3125) internal successors, (168), 128 states have internal predecessors, (168), 78 states have call successors, (78), 3 states have call predecessors, (78), 3 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2024-10-14 11:12:36,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 324 transitions. [2024-10-14 11:12:36,646 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 324 transitions. Word has length 169 [2024-10-14 11:12:36,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:12:36,647 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 324 transitions. [2024-10-14 11:12:36,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 11:12:36,648 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 324 transitions. [2024-10-14 11:12:36,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-10-14 11:12:36,652 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:12:36,652 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:12:36,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 11:12:36,653 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:12:36,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:12:36,653 INFO L85 PathProgramCache]: Analyzing trace with hash -875651910, now seen corresponding path program 1 times [2024-10-14 11:12:36,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:12:36,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038806843] [2024-10-14 11:12:36,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:12:36,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:12:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:12:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:12:36,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 11:12:36,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:12:36,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 11:12:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:12:36,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 11:12:36,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:12:36,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 11:12:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:12:36,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 11:12:36,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:12:36,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 11:12:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 11:12:36,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 11:12:36,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 11:12:36,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 11:12:36,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 11:12:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 11:12:36,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 11:12:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 11:12:36,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:36,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 11:12:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:37,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 11:12:37,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:37,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 11:12:37,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:37,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 11:12:37,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:37,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 11:12:37,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:37,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-14 11:12:37,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:12:37,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038806843] [2024-10-14 11:12:37,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038806843] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:12:37,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:12:37,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 11:12:37,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242671896] [2024-10-14 11:12:37,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:12:37,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 11:12:37,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:12:37,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 11:12:37,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 11:12:37,025 INFO L87 Difference]: Start difference. First operand 210 states and 324 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 11:12:37,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:12:37,235 INFO L93 Difference]: Finished difference Result 406 states and 626 transitions. [2024-10-14 11:12:37,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 11:12:37,236 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 170 [2024-10-14 11:12:37,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:12:37,239 INFO L225 Difference]: With dead ends: 406 [2024-10-14 11:12:37,239 INFO L226 Difference]: Without dead ends: 254 [2024-10-14 11:12:37,240 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 11:12:37,241 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 76 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 11:12:37,245 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 370 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 11:12:37,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2024-10-14 11:12:37,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 211. [2024-10-14 11:12:37,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 129 states have (on average 1.310077519379845) internal successors, (169), 129 states have internal predecessors, (169), 78 states have call successors, (78), 3 states have call predecessors, (78), 3 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2024-10-14 11:12:37,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 325 transitions. [2024-10-14 11:12:37,278 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 325 transitions. Word has length 170 [2024-10-14 11:12:37,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:12:37,279 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 325 transitions. [2024-10-14 11:12:37,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 11:12:37,279 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 325 transitions. [2024-10-14 11:12:37,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-14 11:12:37,280 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:12:37,281 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:12:37,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 11:12:37,281 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:12:37,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:12:37,282 INFO L85 PathProgramCache]: Analyzing trace with hash 205765004, now seen corresponding path program 1 times [2024-10-14 11:12:37,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:12:37,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536521143] [2024-10-14 11:12:37,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:12:37,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:12:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:45,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:12:45,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:45,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:12:45,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:45,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 11:12:45,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:45,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:12:45,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:45,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 11:12:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:45,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:12:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:45,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 11:12:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:45,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:12:45,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:45,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 11:12:45,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:45,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:12:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:45,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 11:12:45,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:45,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:12:45,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:45,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 11:12:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:45,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 11:12:45,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:45,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 11:12:45,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:45,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 11:12:45,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:45,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 11:12:45,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:45,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 11:12:45,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:45,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 11:12:45,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:45,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 11:12:45,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:45,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 11:12:45,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:45,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 11:12:45,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:45,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 11:12:45,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:45,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 11:12:45,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:45,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 11:12:45,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:45,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 11:12:45,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:45,265 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-14 11:12:45,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:12:45,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536521143] [2024-10-14 11:12:45,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536521143] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:12:45,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:12:45,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 11:12:45,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739501264] [2024-10-14 11:12:45,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:12:45,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 11:12:45,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:12:45,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 11:12:45,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-14 11:12:45,268 INFO L87 Difference]: Start difference. First operand 211 states and 325 transitions. Second operand has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 11:12:47,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:12:47,243 INFO L93 Difference]: Finished difference Result 480 states and 729 transitions. [2024-10-14 11:12:47,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 11:12:47,244 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 171 [2024-10-14 11:12:47,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:12:47,247 INFO L225 Difference]: With dead ends: 480 [2024-10-14 11:12:47,248 INFO L226 Difference]: Without dead ends: 328 [2024-10-14 11:12:47,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-10-14 11:12:47,249 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 144 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-14 11:12:47,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 559 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-14 11:12:47,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2024-10-14 11:12:47,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 302. [2024-10-14 11:12:47,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 199 states have (on average 1.3517587939698492) internal successors, (269), 201 states have internal predecessors, (269), 96 states have call successors, (96), 6 states have call predecessors, (96), 6 states have return successors, (96), 94 states have call predecessors, (96), 96 states have call successors, (96) [2024-10-14 11:12:47,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 461 transitions. [2024-10-14 11:12:47,283 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 461 transitions. Word has length 171 [2024-10-14 11:12:47,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:12:47,285 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 461 transitions. [2024-10-14 11:12:47,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 9 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 11:12:47,286 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 461 transitions. [2024-10-14 11:12:47,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-14 11:12:47,287 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:12:47,288 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:12:47,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 11:12:47,288 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:12:47,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:12:47,289 INFO L85 PathProgramCache]: Analyzing trace with hash -603581622, now seen corresponding path program 1 times [2024-10-14 11:12:47,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:12:47,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167445583] [2024-10-14 11:12:47,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:12:47,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:12:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:47,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:12:47,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:47,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:12:47,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:47,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 11:12:47,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:47,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:12:47,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:47,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 11:12:47,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:47,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:12:47,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:47,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 11:12:47,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:47,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:12:47,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:47,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 11:12:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:47,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:12:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:47,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 11:12:47,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:47,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:12:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:47,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 11:12:47,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:47,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 11:12:47,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:47,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 11:12:47,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:47,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 11:12:47,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:47,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 11:12:47,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:47,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 11:12:47,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:47,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 11:12:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:47,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 11:12:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:47,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 11:12:47,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:47,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 11:12:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:47,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 11:12:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:47,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 11:12:47,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:47,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 11:12:47,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:47,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 11:12:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:47,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-14 11:12:47,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:12:47,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167445583] [2024-10-14 11:12:47,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167445583] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:12:47,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:12:47,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 11:12:47,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889441377] [2024-10-14 11:12:47,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:12:47,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 11:12:47,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:12:47,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 11:12:47,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 11:12:47,885 INFO L87 Difference]: Start difference. First operand 302 states and 461 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 11:12:48,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:12:48,427 INFO L93 Difference]: Finished difference Result 712 states and 1085 transitions. [2024-10-14 11:12:48,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 11:12:48,428 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 171 [2024-10-14 11:12:48,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:12:48,434 INFO L225 Difference]: With dead ends: 712 [2024-10-14 11:12:48,435 INFO L226 Difference]: Without dead ends: 473 [2024-10-14 11:12:48,436 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2024-10-14 11:12:48,436 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 297 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 11:12:48,437 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 633 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 11:12:48,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2024-10-14 11:12:48,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 453. [2024-10-14 11:12:48,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 292 states have (on average 1.3184931506849316) internal successors, (385), 296 states have internal predecessors, (385), 148 states have call successors, (148), 12 states have call predecessors, (148), 12 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-10-14 11:12:48,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 681 transitions. [2024-10-14 11:12:48,490 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 681 transitions. Word has length 171 [2024-10-14 11:12:48,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:12:48,491 INFO L471 AbstractCegarLoop]: Abstraction has 453 states and 681 transitions. [2024-10-14 11:12:48,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 11:12:48,491 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 681 transitions. [2024-10-14 11:12:48,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-14 11:12:48,495 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:12:48,495 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:12:48,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 11:12:48,495 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:12:48,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:12:48,496 INFO L85 PathProgramCache]: Analyzing trace with hash 722918028, now seen corresponding path program 1 times [2024-10-14 11:12:48,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:12:48,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928223440] [2024-10-14 11:12:48,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:12:48,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:12:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:48,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:12:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:48,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:12:48,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:48,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 11:12:48,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:48,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:12:48,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:48,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 11:12:48,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:48,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:12:48,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:48,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 11:12:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:48,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:12:48,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:48,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 11:12:48,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:48,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:12:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:48,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 11:12:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:48,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:12:48,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:48,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 11:12:48,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:48,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 11:12:48,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:48,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 11:12:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:48,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 11:12:48,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:48,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 11:12:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:48,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 11:12:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:48,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 11:12:48,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:49,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 11:12:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:49,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 11:12:49,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:49,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 11:12:49,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:49,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 11:12:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:49,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 11:12:49,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:49,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 11:12:49,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:49,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 11:12:49,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:49,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-14 11:12:49,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:12:49,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928223440] [2024-10-14 11:12:49,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928223440] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:12:49,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:12:49,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 11:12:49,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040649527] [2024-10-14 11:12:49,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:12:49,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 11:12:49,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:12:49,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 11:12:49,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 11:12:49,019 INFO L87 Difference]: Start difference. First operand 453 states and 681 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 11:12:49,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:12:49,585 INFO L93 Difference]: Finished difference Result 1033 states and 1553 transitions. [2024-10-14 11:12:49,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 11:12:49,585 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 171 [2024-10-14 11:12:49,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:12:49,590 INFO L225 Difference]: With dead ends: 1033 [2024-10-14 11:12:49,590 INFO L226 Difference]: Without dead ends: 662 [2024-10-14 11:12:49,592 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 11:12:49,594 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 317 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 11:12:49,595 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 483 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 11:12:49,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2024-10-14 11:12:49,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 500. [2024-10-14 11:12:49,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 339 states have (on average 1.3333333333333333) internal successors, (452), 343 states have internal predecessors, (452), 148 states have call successors, (148), 12 states have call predecessors, (148), 12 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-10-14 11:12:49,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 748 transitions. [2024-10-14 11:12:49,670 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 748 transitions. Word has length 171 [2024-10-14 11:12:49,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:12:49,671 INFO L471 AbstractCegarLoop]: Abstraction has 500 states and 748 transitions. [2024-10-14 11:12:49,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 11:12:49,671 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 748 transitions. [2024-10-14 11:12:49,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-14 11:12:49,673 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:12:49,674 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:12:49,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 11:12:49,674 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:12:49,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:12:49,674 INFO L85 PathProgramCache]: Analyzing trace with hash -86428598, now seen corresponding path program 1 times [2024-10-14 11:12:49,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:12:49,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809825757] [2024-10-14 11:12:49,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:12:49,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:12:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:53,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:12:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:53,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:12:53,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:53,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 11:12:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:53,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:12:53,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:53,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 11:12:53,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:53,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:12:53,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:53,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 11:12:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:53,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:12:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:53,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 11:12:53,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:53,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:12:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:53,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 11:12:53,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:53,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:12:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:53,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 11:12:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:53,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 11:12:53,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:53,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 11:12:53,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:53,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 11:12:53,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:53,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 11:12:53,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:53,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 11:12:53,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:53,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 11:12:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:53,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 11:12:53,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:53,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 11:12:53,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:53,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 11:12:53,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:53,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 11:12:53,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:53,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 11:12:53,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:53,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 11:12:53,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:53,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 11:12:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:12:53,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-14 11:12:53,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:12:53,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809825757] [2024-10-14 11:12:53,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809825757] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:12:53,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:12:53,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 11:12:53,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338858181] [2024-10-14 11:12:53,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:12:53,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 11:12:53,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:12:53,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 11:12:53,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-14 11:12:53,940 INFO L87 Difference]: Start difference. First operand 500 states and 748 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 11:12:54,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:12:54,803 INFO L93 Difference]: Finished difference Result 914 states and 1358 transitions. [2024-10-14 11:12:54,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 11:12:54,803 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 171 [2024-10-14 11:12:54,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:12:54,808 INFO L225 Difference]: With dead ends: 914 [2024-10-14 11:12:54,808 INFO L226 Difference]: Without dead ends: 580 [2024-10-14 11:12:54,809 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-10-14 11:12:54,810 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 169 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 11:12:54,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 612 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 11:12:54,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2024-10-14 11:12:54,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 500. [2024-10-14 11:12:54,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 339 states have (on average 1.3244837758112094) internal successors, (449), 343 states have internal predecessors, (449), 148 states have call successors, (148), 12 states have call predecessors, (148), 12 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-10-14 11:12:54,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 745 transitions. [2024-10-14 11:12:54,866 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 745 transitions. Word has length 171 [2024-10-14 11:12:54,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:12:54,866 INFO L471 AbstractCegarLoop]: Abstraction has 500 states and 745 transitions. [2024-10-14 11:12:54,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 11:12:54,867 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 745 transitions. [2024-10-14 11:12:54,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-10-14 11:12:54,868 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:12:54,869 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:12:54,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 11:12:54,869 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:12:54,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:12:54,869 INFO L85 PathProgramCache]: Analyzing trace with hash 813971801, now seen corresponding path program 1 times [2024-10-14 11:12:54,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:12:54,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064425057] [2024-10-14 11:12:54,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:12:54,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:12:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:00,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:13:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:00,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:13:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:00,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 11:13:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:00,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:13:00,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:00,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 11:13:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:00,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:13:00,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:00,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 11:13:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:00,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:13:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:00,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 11:13:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:00,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:13:00,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:00,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 11:13:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:00,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:13:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:00,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 11:13:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:00,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 11:13:00,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:00,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 11:13:00,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:00,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 11:13:00,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:00,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 11:13:00,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:00,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 11:13:00,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:00,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 11:13:00,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:00,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 11:13:00,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:00,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 11:13:00,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:00,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 11:13:00,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:00,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 11:13:00,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:00,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 11:13:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:00,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 11:13:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:00,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 11:13:00,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:00,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-14 11:13:00,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:13:00,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064425057] [2024-10-14 11:13:00,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064425057] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:13:00,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:13:00,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-10-14 11:13:00,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740034882] [2024-10-14 11:13:00,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:13:00,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-14 11:13:00,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:13:00,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-14 11:13:00,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2024-10-14 11:13:00,300 INFO L87 Difference]: Start difference. First operand 500 states and 745 transitions. Second operand has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 11:13:04,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:13:04,507 INFO L93 Difference]: Finished difference Result 914 states and 1352 transitions. [2024-10-14 11:13:04,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-14 11:13:04,508 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 172 [2024-10-14 11:13:04,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:13:04,513 INFO L225 Difference]: With dead ends: 914 [2024-10-14 11:13:04,513 INFO L226 Difference]: Without dead ends: 587 [2024-10-14 11:13:04,514 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=296, Invalid=964, Unknown=0, NotChecked=0, Total=1260 [2024-10-14 11:13:04,515 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 517 mSDsluCounter, 1002 mSDsCounter, 0 mSdLazyCounter, 1191 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 1113 SdHoareTripleChecker+Invalid, 1278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 1191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-14 11:13:04,515 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [517 Valid, 1113 Invalid, 1278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 1191 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-14 11:13:04,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2024-10-14 11:13:04,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 520. [2024-10-14 11:13:04,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 359 states have (on average 1.3342618384401115) internal successors, (479), 363 states have internal predecessors, (479), 148 states have call successors, (148), 12 states have call predecessors, (148), 12 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-10-14 11:13:04,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 775 transitions. [2024-10-14 11:13:04,569 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 775 transitions. Word has length 172 [2024-10-14 11:13:04,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:13:04,569 INFO L471 AbstractCegarLoop]: Abstraction has 520 states and 775 transitions. [2024-10-14 11:13:04,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 11:13:04,569 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 775 transitions. [2024-10-14 11:13:04,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-10-14 11:13:04,572 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:13:04,572 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:13:04,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 11:13:04,572 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:13:04,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:13:04,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1331124825, now seen corresponding path program 1 times [2024-10-14 11:13:04,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:13:04,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31957324] [2024-10-14 11:13:04,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:13:04,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:13:04,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:05,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:13:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:05,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:13:05,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:05,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 11:13:05,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:05,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:13:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:05,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 11:13:05,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:05,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:13:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:05,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 11:13:05,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:05,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:13:05,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:05,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 11:13:05,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:05,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:13:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:05,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 11:13:05,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:05,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:13:05,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:05,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 11:13:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:05,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 11:13:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:05,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 11:13:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:05,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 11:13:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:05,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 11:13:05,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:05,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 11:13:05,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:05,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 11:13:05,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:05,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 11:13:05,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:05,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 11:13:05,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:05,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 11:13:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:05,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 11:13:05,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:05,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 11:13:05,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:05,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 11:13:05,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:05,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 11:13:05,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:05,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-14 11:13:05,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:13:05,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31957324] [2024-10-14 11:13:05,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31957324] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:13:05,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:13:05,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 11:13:05,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885614485] [2024-10-14 11:13:05,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:13:05,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 11:13:05,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:13:05,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 11:13:05,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-10-14 11:13:05,850 INFO L87 Difference]: Start difference. First operand 520 states and 775 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 11:13:06,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:13:06,985 INFO L93 Difference]: Finished difference Result 953 states and 1418 transitions. [2024-10-14 11:13:06,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 11:13:06,986 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 172 [2024-10-14 11:13:06,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:13:06,991 INFO L225 Difference]: With dead ends: 953 [2024-10-14 11:13:06,991 INFO L226 Difference]: Without dead ends: 558 [2024-10-14 11:13:06,992 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-10-14 11:13:06,993 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 342 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 820 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 11:13:06,994 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 820 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 11:13:06,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2024-10-14 11:13:07,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 524. [2024-10-14 11:13:07,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 363 states have (on average 1.3333333333333333) internal successors, (484), 367 states have internal predecessors, (484), 148 states have call successors, (148), 12 states have call predecessors, (148), 12 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-10-14 11:13:07,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 780 transitions. [2024-10-14 11:13:07,060 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 780 transitions. Word has length 172 [2024-10-14 11:13:07,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:13:07,060 INFO L471 AbstractCegarLoop]: Abstraction has 524 states and 780 transitions. [2024-10-14 11:13:07,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 11:13:07,060 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 780 transitions. [2024-10-14 11:13:07,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-10-14 11:13:07,062 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:13:07,063 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:13:07,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 11:13:07,063 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:13:07,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:13:07,063 INFO L85 PathProgramCache]: Analyzing trace with hash 521778199, now seen corresponding path program 1 times [2024-10-14 11:13:07,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:13:07,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570653388] [2024-10-14 11:13:07,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:13:07,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:13:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:10,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:13:10,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:10,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:13:10,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:10,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 11:13:10,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:10,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:13:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:10,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 11:13:10,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:10,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:13:10,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:10,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 11:13:10,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:10,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:13:10,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:10,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 11:13:10,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:10,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:13:10,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:10,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 11:13:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:10,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:13:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:10,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 11:13:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:10,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 11:13:10,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:10,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 11:13:10,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:10,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 11:13:10,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:10,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 11:13:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:10,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 11:13:10,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:10,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 11:13:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:10,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 11:13:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:10,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 11:13:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:10,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 11:13:10,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:10,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 11:13:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:10,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 11:13:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:10,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 11:13:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:10,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 11:13:10,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:10,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-14 11:13:10,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:13:10,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570653388] [2024-10-14 11:13:10,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570653388] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:13:10,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:13:10,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-14 11:13:10,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418981183] [2024-10-14 11:13:10,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:13:10,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-14 11:13:10,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:13:10,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-14 11:13:10,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-10-14 11:13:10,347 INFO L87 Difference]: Start difference. First operand 524 states and 780 transitions. Second operand has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 11:13:12,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:13:12,424 INFO L93 Difference]: Finished difference Result 929 states and 1372 transitions. [2024-10-14 11:13:12,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-14 11:13:12,425 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 172 [2024-10-14 11:13:12,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:13:12,433 INFO L225 Difference]: With dead ends: 929 [2024-10-14 11:13:12,433 INFO L226 Difference]: Without dead ends: 602 [2024-10-14 11:13:12,437 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=195, Invalid=561, Unknown=0, NotChecked=0, Total=756 [2024-10-14 11:13:12,437 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 494 mSDsluCounter, 991 mSDsCounter, 0 mSdLazyCounter, 964 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 1131 SdHoareTripleChecker+Invalid, 1096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-14 11:13:12,437 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [494 Valid, 1131 Invalid, 1096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 964 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-14 11:13:12,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2024-10-14 11:13:12,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 524. [2024-10-14 11:13:12,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 363 states have (on average 1.3333333333333333) internal successors, (484), 367 states have internal predecessors, (484), 148 states have call successors, (148), 12 states have call predecessors, (148), 12 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-10-14 11:13:12,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 780 transitions. [2024-10-14 11:13:12,493 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 780 transitions. Word has length 172 [2024-10-14 11:13:12,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:13:12,494 INFO L471 AbstractCegarLoop]: Abstraction has 524 states and 780 transitions. [2024-10-14 11:13:12,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 11:13:12,494 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 780 transitions. [2024-10-14 11:13:12,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-10-14 11:13:12,496 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:13:12,497 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:13:12,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 11:13:12,497 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:13:12,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:13:12,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1515036379, now seen corresponding path program 1 times [2024-10-14 11:13:12,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:13:12,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512393300] [2024-10-14 11:13:12,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:13:12,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:13:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:15,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:13:15,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:15,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:13:15,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:15,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 11:13:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:15,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:13:15,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:15,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 11:13:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:15,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:13:15,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:15,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 11:13:15,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:15,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:13:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:15,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 11:13:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:15,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:13:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:15,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 11:13:15,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:15,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:13:15,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:15,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 11:13:15,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:15,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 11:13:15,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:15,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 11:13:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:15,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 11:13:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:15,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 11:13:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:15,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 11:13:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:15,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 11:13:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:15,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 11:13:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:15,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 11:13:15,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:15,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 11:13:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:15,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 11:13:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:15,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 11:13:15,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:15,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 11:13:15,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:15,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 11:13:15,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:15,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-14 11:13:15,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:13:15,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512393300] [2024-10-14 11:13:15,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512393300] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:13:15,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:13:15,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-14 11:13:15,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446279030] [2024-10-14 11:13:15,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:13:15,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 11:13:15,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:13:15,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 11:13:15,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-10-14 11:13:15,316 INFO L87 Difference]: Start difference. First operand 524 states and 780 transitions. Second operand has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 11:13:17,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:13:17,047 INFO L93 Difference]: Finished difference Result 912 states and 1354 transitions. [2024-10-14 11:13:17,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-14 11:13:17,048 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 172 [2024-10-14 11:13:17,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:13:17,052 INFO L225 Difference]: With dead ends: 912 [2024-10-14 11:13:17,052 INFO L226 Difference]: Without dead ends: 585 [2024-10-14 11:13:17,054 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=252, Invalid=618, Unknown=0, NotChecked=0, Total=870 [2024-10-14 11:13:17,056 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 477 mSDsluCounter, 1203 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 1393 SdHoareTripleChecker+Invalid, 870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-14 11:13:17,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [477 Valid, 1393 Invalid, 870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-14 11:13:17,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2024-10-14 11:13:17,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 529. [2024-10-14 11:13:17,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 368 states have (on average 1.3315217391304348) internal successors, (490), 372 states have internal predecessors, (490), 148 states have call successors, (148), 12 states have call predecessors, (148), 12 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-10-14 11:13:17,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 786 transitions. [2024-10-14 11:13:17,113 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 786 transitions. Word has length 172 [2024-10-14 11:13:17,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:13:17,113 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 786 transitions. [2024-10-14 11:13:17,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 11:13:17,114 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 786 transitions. [2024-10-14 11:13:17,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-10-14 11:13:17,115 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:13:17,115 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:13:17,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-14 11:13:17,116 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:13:17,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:13:17,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1222842777, now seen corresponding path program 1 times [2024-10-14 11:13:17,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:13:17,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119144492] [2024-10-14 11:13:17,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:13:17,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:13:17,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:21,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:13:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:21,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:13:21,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:21,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 11:13:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:21,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:13:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:21,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 11:13:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:21,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:13:21,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:21,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 11:13:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:21,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:13:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:21,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 11:13:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:21,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:13:21,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:21,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 11:13:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:21,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:13:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:21,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 11:13:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:21,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 11:13:21,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:21,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 11:13:21,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:21,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 11:13:21,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:21,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 11:13:21,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:21,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 11:13:21,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:21,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 11:13:21,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:21,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 11:13:21,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:21,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 11:13:21,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:21,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 11:13:21,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:21,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 11:13:21,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:21,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 11:13:21,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:21,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 11:13:21,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:21,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 11:13:21,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:21,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-14 11:13:21,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:13:21,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119144492] [2024-10-14 11:13:21,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119144492] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:13:21,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:13:21,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-14 11:13:21,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065354336] [2024-10-14 11:13:21,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:13:21,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-14 11:13:21,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:13:21,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-14 11:13:21,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2024-10-14 11:13:21,232 INFO L87 Difference]: Start difference. First operand 529 states and 786 transitions. Second operand has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 11:13:23,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:13:23,793 INFO L93 Difference]: Finished difference Result 930 states and 1376 transitions. [2024-10-14 11:13:23,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-14 11:13:23,793 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 172 [2024-10-14 11:13:23,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:13:23,798 INFO L225 Difference]: With dead ends: 930 [2024-10-14 11:13:23,798 INFO L226 Difference]: Without dead ends: 603 [2024-10-14 11:13:23,802 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=181, Invalid=631, Unknown=0, NotChecked=0, Total=812 [2024-10-14 11:13:23,803 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 502 mSDsluCounter, 906 mSDsCounter, 0 mSdLazyCounter, 919 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 502 SdHoareTripleChecker+Valid, 1037 SdHoareTripleChecker+Invalid, 1052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 919 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-14 11:13:23,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [502 Valid, 1037 Invalid, 1052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 919 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-14 11:13:23,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2024-10-14 11:13:23,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 529. [2024-10-14 11:13:23,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 368 states have (on average 1.3315217391304348) internal successors, (490), 372 states have internal predecessors, (490), 148 states have call successors, (148), 12 states have call predecessors, (148), 12 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-10-14 11:13:23,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 786 transitions. [2024-10-14 11:13:23,858 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 786 transitions. Word has length 172 [2024-10-14 11:13:23,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:13:23,859 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 786 transitions. [2024-10-14 11:13:23,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 states have internal predecessors, (45), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 11:13:23,859 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 786 transitions. [2024-10-14 11:13:23,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-10-14 11:13:23,861 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:13:23,861 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:13:23,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-14 11:13:23,861 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:13:23,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:13:23,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1597639769, now seen corresponding path program 1 times [2024-10-14 11:13:23,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:13:23,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454656697] [2024-10-14 11:13:23,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:13:23,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:13:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:29,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:13:29,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:29,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:13:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:29,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 11:13:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:29,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:13:29,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:29,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 11:13:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:29,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:13:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:29,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 11:13:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:29,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:13:29,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:29,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 11:13:29,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:29,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:13:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:29,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 11:13:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:29,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:13:29,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:29,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 11:13:29,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:29,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 11:13:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:29,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 11:13:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:29,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 11:13:29,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:29,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 11:13:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:29,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 11:13:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:29,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 11:13:29,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:29,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 11:13:29,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:29,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 11:13:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:29,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 11:13:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:29,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 11:13:29,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:29,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 11:13:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:29,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 11:13:29,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:29,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 11:13:29,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:29,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-14 11:13:29,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:13:29,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454656697] [2024-10-14 11:13:29,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454656697] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:13:29,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:13:29,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 11:13:29,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702982390] [2024-10-14 11:13:29,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:13:29,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 11:13:29,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:13:29,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 11:13:29,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-10-14 11:13:29,133 INFO L87 Difference]: Start difference. First operand 529 states and 786 transitions. Second operand has 10 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 11:13:32,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 11:13:32,732 INFO L93 Difference]: Finished difference Result 1091 states and 1610 transitions. [2024-10-14 11:13:32,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 11:13:32,734 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 173 [2024-10-14 11:13:32,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 11:13:32,740 INFO L225 Difference]: With dead ends: 1091 [2024-10-14 11:13:32,740 INFO L226 Difference]: Without dead ends: 764 [2024-10-14 11:13:32,742 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-10-14 11:13:32,743 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 179 mSDsluCounter, 742 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-10-14 11:13:32,743 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 903 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-10-14 11:13:32,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2024-10-14 11:13:32,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 576. [2024-10-14 11:13:32,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 415 states have (on average 1.3686746987951808) internal successors, (568), 419 states have internal predecessors, (568), 148 states have call successors, (148), 12 states have call predecessors, (148), 12 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-10-14 11:13:32,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 864 transitions. [2024-10-14 11:13:32,804 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 864 transitions. Word has length 173 [2024-10-14 11:13:32,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 11:13:32,805 INFO L471 AbstractCegarLoop]: Abstraction has 576 states and 864 transitions. [2024-10-14 11:13:32,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 10 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-10-14 11:13:32,805 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 864 transitions. [2024-10-14 11:13:32,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-10-14 11:13:32,806 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 11:13:32,806 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 11:13:32,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-14 11:13:32,806 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 11:13:32,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 11:13:32,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1080486745, now seen corresponding path program 1 times [2024-10-14 11:13:32,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 11:13:32,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395928185] [2024-10-14 11:13:32,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 11:13:32,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 11:13:32,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:36,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 11:13:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:36,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 11:13:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:36,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-14 11:13:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:36,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 11:13:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:36,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-14 11:13:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:36,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 11:13:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:36,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 11:13:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:36,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 11:13:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:36,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-14 11:13:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:36,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 11:13:36,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:36,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 11:13:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:36,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 11:13:36,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:36,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 11:13:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:36,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 11:13:36,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:36,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 11:13:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:36,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 11:13:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:36,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 11:13:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:36,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 11:13:36,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:36,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 11:13:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:36,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 11:13:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:36,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 11:13:36,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:36,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 11:13:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:36,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 11:13:36,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:36,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 11:13:36,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:36,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 11:13:36,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:36,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 11:13:36,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 11:13:36,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-10-14 11:13:36,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 11:13:36,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395928185] [2024-10-14 11:13:36,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395928185] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 11:13:36,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 11:13:36,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-14 11:13:36,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933348178] [2024-10-14 11:13:36,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 11:13:36,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 11:13:36,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 11:13:36,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 11:13:36,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-14 11:13:36,639 INFO L87 Difference]: Start difference. First operand 576 states and 864 transitions. Second operand has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 11 states have internal predecessors, (46), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26)