./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-52.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-52.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d2756a3afeabee0bd07615570da162530b76933ca347aab7efd24527f8af5fb3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 08:23:39,294 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 08:23:39,347 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 08:23:39,354 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 08:23:39,354 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 08:23:39,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 08:23:39,374 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 08:23:39,374 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 08:23:39,375 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 08:23:39,375 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 08:23:39,375 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 08:23:39,375 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 08:23:39,376 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 08:23:39,376 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 08:23:39,376 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 08:23:39,377 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 08:23:39,377 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 08:23:39,377 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 08:23:39,377 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 08:23:39,378 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 08:23:39,380 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 08:23:39,381 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 08:23:39,381 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 08:23:39,381 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 08:23:39,381 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 08:23:39,381 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 08:23:39,382 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 08:23:39,382 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 08:23:39,382 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 08:23:39,382 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 08:23:39,382 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 08:23:39,382 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 08:23:39,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:23:39,383 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 08:23:39,383 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 08:23:39,383 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 08:23:39,383 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 08:23:39,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 08:23:39,384 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 08:23:39,384 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 08:23:39,385 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 08:23:39,385 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 08:23:39,385 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2756a3afeabee0bd07615570da162530b76933ca347aab7efd24527f8af5fb3 [2024-10-24 08:23:39,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 08:23:39,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 08:23:39,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 08:23:39,590 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 08:23:39,591 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 08:23:39,591 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-52.i [2024-10-24 08:23:40,768 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 08:23:40,921 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 08:23:40,921 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-52.i [2024-10-24 08:23:40,933 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52b6eabd4/31e932bb350c4dc896e634db32df99b0/FLAGd3885b1d7 [2024-10-24 08:23:41,320 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52b6eabd4/31e932bb350c4dc896e634db32df99b0 [2024-10-24 08:23:41,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 08:23:41,323 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 08:23:41,324 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 08:23:41,324 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 08:23:41,328 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 08:23:41,328 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:23:41" (1/1) ... [2024-10-24 08:23:41,329 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69e0ad17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:23:41, skipping insertion in model container [2024-10-24 08:23:41,329 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:23:41" (1/1) ... [2024-10-24 08:23:41,354 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 08:23:41,479 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-52.i[919,932] [2024-10-24 08:23:41,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:23:41,536 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 08:23:41,544 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-52.i[919,932] [2024-10-24 08:23:41,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 08:23:41,610 INFO L204 MainTranslator]: Completed translation [2024-10-24 08:23:41,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:23:41 WrapperNode [2024-10-24 08:23:41,611 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 08:23:41,612 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 08:23:41,612 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 08:23:41,612 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 08:23:41,617 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:23:41" (1/1) ... [2024-10-24 08:23:41,635 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:23:41" (1/1) ... [2024-10-24 08:23:41,673 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 206 [2024-10-24 08:23:41,673 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 08:23:41,674 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 08:23:41,674 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 08:23:41,674 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 08:23:41,682 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:23:41" (1/1) ... [2024-10-24 08:23:41,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:23:41" (1/1) ... [2024-10-24 08:23:41,685 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:23:41" (1/1) ... [2024-10-24 08:23:41,699 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 08:23:41,699 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:23:41" (1/1) ... [2024-10-24 08:23:41,700 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:23:41" (1/1) ... [2024-10-24 08:23:41,712 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:23:41" (1/1) ... [2024-10-24 08:23:41,718 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:23:41" (1/1) ... [2024-10-24 08:23:41,720 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:23:41" (1/1) ... [2024-10-24 08:23:41,721 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:23:41" (1/1) ... [2024-10-24 08:23:41,727 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 08:23:41,728 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 08:23:41,728 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 08:23:41,728 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 08:23:41,729 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:23:41" (1/1) ... [2024-10-24 08:23:41,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 08:23:41,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 08:23:41,758 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 08:23:41,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 08:23:41,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 08:23:41,791 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 08:23:41,791 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 08:23:41,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 08:23:41,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 08:23:41,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 08:23:41,864 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 08:23:41,865 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 08:23:42,207 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-10-24 08:23:42,207 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 08:23:42,253 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 08:23:42,253 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 08:23:42,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:23:42 BoogieIcfgContainer [2024-10-24 08:23:42,254 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 08:23:42,257 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 08:23:42,257 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 08:23:42,260 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 08:23:42,260 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 08:23:41" (1/3) ... [2024-10-24 08:23:42,261 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aacc63a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:23:42, skipping insertion in model container [2024-10-24 08:23:42,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:23:41" (2/3) ... [2024-10-24 08:23:42,261 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aacc63a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:23:42, skipping insertion in model container [2024-10-24 08:23:42,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:23:42" (3/3) ... [2024-10-24 08:23:42,263 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-52.i [2024-10-24 08:23:42,276 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 08:23:42,276 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 08:23:42,332 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 08:23:42,337 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;@3b153e54, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 08:23:42,337 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 08:23:42,342 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 56 states have (on average 1.5178571428571428) internal successors, (85), 57 states have internal predecessors, (85), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-24 08:23:42,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-24 08:23:42,354 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:23:42,355 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:23:42,356 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:23:42,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:23:42,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1497455468, now seen corresponding path program 1 times [2024-10-24 08:23:42,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:23:42,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974741867] [2024-10-24 08:23:42,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:23:42,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:23:42,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:42,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:23:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:42,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:23:42,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:42,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:23:42,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:42,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:23:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:42,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:23:42,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:42,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:23:42,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:42,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:23:42,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:42,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:23:42,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:42,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:23:42,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:42,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:23:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:42,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:23:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:42,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:23:42,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:42,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:23:42,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:42,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:23:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:42,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:23:42,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:42,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:23:42,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:42,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:23:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:42,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 08:23:42,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:42,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 08:23:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:42,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 08:23:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:42,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 08:23:42,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:42,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 08:23:42,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:42,719 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-24 08:23:42,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:23:42,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974741867] [2024-10-24 08:23:42,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974741867] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:23:42,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:23:42,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 08:23:42,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738446085] [2024-10-24 08:23:42,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:23:42,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 08:23:42,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:23:42,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 08:23:42,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:23:42,743 INFO L87 Difference]: Start difference. First operand has 81 states, 56 states have (on average 1.5178571428571428) internal successors, (85), 57 states have internal predecessors, (85), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-24 08:23:42,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:23:42,785 INFO L93 Difference]: Finished difference Result 159 states and 278 transitions. [2024-10-24 08:23:42,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 08:23:42,787 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 148 [2024-10-24 08:23:42,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:23:42,793 INFO L225 Difference]: With dead ends: 159 [2024-10-24 08:23:42,794 INFO L226 Difference]: Without dead ends: 79 [2024-10-24 08:23:42,796 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 08:23:42,798 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 08:23:42,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 08:23:42,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-10-24 08:23:42,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2024-10-24 08:23:42,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 55 states have (on average 1.4545454545454546) internal successors, (80), 55 states have internal predecessors, (80), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-24 08:23:42,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 124 transitions. [2024-10-24 08:23:42,875 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 124 transitions. Word has length 148 [2024-10-24 08:23:42,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:23:42,876 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 124 transitions. [2024-10-24 08:23:42,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-24 08:23:42,877 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 124 transitions. [2024-10-24 08:23:42,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-24 08:23:42,881 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:23:42,881 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:23:42,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 08:23:42,881 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:23:42,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:23:42,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1430075996, now seen corresponding path program 1 times [2024-10-24 08:23:42,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:23:42,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123133808] [2024-10-24 08:23:42,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:23:42,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:23:42,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:23:43,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:23:43,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:23:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:23:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:23:43,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:23:43,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:23:43,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:23:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:23:43,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:23:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:23:43,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:23:43,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:23:43,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:23:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:23:43,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:23:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:23:43,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 08:23:43,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 08:23:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 08:23:43,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 08:23:43,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 08:23:43,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,176 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-24 08:23:43,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:23:43,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123133808] [2024-10-24 08:23:43,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123133808] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:23:43,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:23:43,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 08:23:43,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800314345] [2024-10-24 08:23:43,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:23:43,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 08:23:43,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:23:43,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 08:23:43,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 08:23:43,179 INFO L87 Difference]: Start difference. First operand 79 states and 124 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-24 08:23:43,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:23:43,225 INFO L93 Difference]: Finished difference Result 235 states and 370 transitions. [2024-10-24 08:23:43,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 08:23:43,228 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 148 [2024-10-24 08:23:43,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:23:43,230 INFO L225 Difference]: With dead ends: 235 [2024-10-24 08:23:43,230 INFO L226 Difference]: Without dead ends: 157 [2024-10-24 08:23:43,230 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 08:23:43,234 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 80 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 08:23:43,234 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 251 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 08:23:43,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-10-24 08:23:43,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 154. [2024-10-24 08:23:43,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 107 states have (on average 1.4485981308411215) internal successors, (155), 107 states have internal predecessors, (155), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-10-24 08:23:43,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 243 transitions. [2024-10-24 08:23:43,255 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 243 transitions. Word has length 148 [2024-10-24 08:23:43,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:23:43,256 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 243 transitions. [2024-10-24 08:23:43,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-24 08:23:43,256 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 243 transitions. [2024-10-24 08:23:43,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-10-24 08:23:43,258 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:23:43,258 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:23:43,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 08:23:43,258 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:23:43,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:23:43,259 INFO L85 PathProgramCache]: Analyzing trace with hash 2025360208, now seen corresponding path program 1 times [2024-10-24 08:23:43,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:23:43,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333224562] [2024-10-24 08:23:43,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:23:43,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:23:43,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:23:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:23:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:23:43,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:23:43,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:23:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:23:43,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:23:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:23:43,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:23:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:23:43,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:23:43,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:23:43,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:23:43,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:23:43,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:23:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:23:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:23:43,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 08:23:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 08:23:43,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 08:23:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 08:23:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 08:23:43,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:43,746 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-24 08:23:43,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:23:43,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333224562] [2024-10-24 08:23:43,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333224562] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:23:43,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:23:43,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 08:23:43,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276532026] [2024-10-24 08:23:43,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:23:43,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 08:23:43,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:23:43,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 08:23:43,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 08:23:43,751 INFO L87 Difference]: Start difference. First operand 154 states and 243 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-24 08:23:43,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:23:43,809 INFO L93 Difference]: Finished difference Result 458 states and 725 transitions. [2024-10-24 08:23:43,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 08:23:43,810 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 149 [2024-10-24 08:23:43,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:23:43,814 INFO L225 Difference]: With dead ends: 458 [2024-10-24 08:23:43,815 INFO L226 Difference]: Without dead ends: 305 [2024-10-24 08:23:43,818 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 08:23:43,819 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 85 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 08:23:43,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 231 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 08:23:43,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-10-24 08:23:43,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 303. [2024-10-24 08:23:43,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 210 states have (on average 1.4476190476190476) internal successors, (304), 210 states have internal predecessors, (304), 88 states have call successors, (88), 4 states have call predecessors, (88), 4 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-10-24 08:23:43,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 480 transitions. [2024-10-24 08:23:43,867 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 480 transitions. Word has length 149 [2024-10-24 08:23:43,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:23:43,868 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 480 transitions. [2024-10-24 08:23:43,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-24 08:23:43,869 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 480 transitions. [2024-10-24 08:23:43,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-24 08:23:43,873 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:23:43,873 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:23:43,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 08:23:43,873 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:23:43,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:23:43,874 INFO L85 PathProgramCache]: Analyzing trace with hash -347527860, now seen corresponding path program 1 times [2024-10-24 08:23:43,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:23:43,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401898829] [2024-10-24 08:23:43,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:23:43,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:23:43,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:23:44,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:23:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:23:44,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:23:44,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:23:44,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:23:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:23:44,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:23:44,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:23:44,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:23:44,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:23:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:23:44,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:23:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:23:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:23:44,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:23:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:23:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 08:23:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 08:23:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 08:23:44,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 08:23:44,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 08:23:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,418 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-24 08:23:44,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:23:44,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401898829] [2024-10-24 08:23:44,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401898829] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:23:44,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:23:44,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 08:23:44,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96766904] [2024-10-24 08:23:44,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:23:44,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 08:23:44,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:23:44,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 08:23:44,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 08:23:44,422 INFO L87 Difference]: Start difference. First operand 303 states and 480 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-24 08:23:44,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:23:44,532 INFO L93 Difference]: Finished difference Result 666 states and 1054 transitions. [2024-10-24 08:23:44,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 08:23:44,533 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 150 [2024-10-24 08:23:44,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:23:44,535 INFO L225 Difference]: With dead ends: 666 [2024-10-24 08:23:44,536 INFO L226 Difference]: Without dead ends: 364 [2024-10-24 08:23:44,536 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 08:23:44,537 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 49 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 08:23:44,537 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 204 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 08:23:44,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-10-24 08:23:44,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 354. [2024-10-24 08:23:44,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 238 states have (on average 1.411764705882353) internal successors, (336), 238 states have internal predecessors, (336), 110 states have call successors, (110), 5 states have call predecessors, (110), 5 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) [2024-10-24 08:23:44,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 556 transitions. [2024-10-24 08:23:44,582 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 556 transitions. Word has length 150 [2024-10-24 08:23:44,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:23:44,583 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 556 transitions. [2024-10-24 08:23:44,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-24 08:23:44,583 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 556 transitions. [2024-10-24 08:23:44,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-10-24 08:23:44,584 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:23:44,584 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:23:44,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 08:23:44,585 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:23:44,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:23:44,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1521619185, now seen corresponding path program 1 times [2024-10-24 08:23:44,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:23:44,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705815440] [2024-10-24 08:23:44,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:23:44,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:23:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:23:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:23:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:23:44,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:23:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:23:44,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:23:44,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:23:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:23:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:23:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:23:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:23:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:23:44,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:23:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:23:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:23:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:23:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:23:44,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 08:23:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 08:23:44,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 08:23:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 08:23:44,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 08:23:44,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,678 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-24 08:23:44,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:23:44,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705815440] [2024-10-24 08:23:44,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705815440] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:23:44,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:23:44,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 08:23:44,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431977096] [2024-10-24 08:23:44,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:23:44,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 08:23:44,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:23:44,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 08:23:44,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 08:23:44,681 INFO L87 Difference]: Start difference. First operand 354 states and 556 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-24 08:23:44,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:23:44,741 INFO L93 Difference]: Finished difference Result 688 states and 1091 transitions. [2024-10-24 08:23:44,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 08:23:44,741 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2024-10-24 08:23:44,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:23:44,744 INFO L225 Difference]: With dead ends: 688 [2024-10-24 08:23:44,744 INFO L226 Difference]: Without dead ends: 386 [2024-10-24 08:23:44,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 08:23:44,746 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 11 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 08:23:44,747 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 226 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 08:23:44,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2024-10-24 08:23:44,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 362. [2024-10-24 08:23:44,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 246 states have (on average 1.4146341463414633) internal successors, (348), 246 states have internal predecessors, (348), 110 states have call successors, (110), 5 states have call predecessors, (110), 5 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) [2024-10-24 08:23:44,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 568 transitions. [2024-10-24 08:23:44,794 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 568 transitions. Word has length 151 [2024-10-24 08:23:44,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:23:44,794 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 568 transitions. [2024-10-24 08:23:44,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-24 08:23:44,795 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 568 transitions. [2024-10-24 08:23:44,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-24 08:23:44,796 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:23:44,796 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:23:44,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 08:23:44,797 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:23:44,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:23:44,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1913082594, now seen corresponding path program 1 times [2024-10-24 08:23:44,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:23:44,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552437596] [2024-10-24 08:23:44,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:23:44,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:23:44,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:23:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:23:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:23:44,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:23:44,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:23:44,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:23:44,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:23:44,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:23:44,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:23:44,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:23:44,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:23:44,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:23:44,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:23:44,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:23:44,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:23:44,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:23:44,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:23:44,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 08:23:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 08:23:44,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 08:23:44,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 08:23:44,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 08:23:44,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:44,980 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-24 08:23:44,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:23:44,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552437596] [2024-10-24 08:23:44,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552437596] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:23:44,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:23:44,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 08:23:44,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628165649] [2024-10-24 08:23:44,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:23:44,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 08:23:44,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:23:44,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 08:23:44,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 08:23:44,983 INFO L87 Difference]: Start difference. First operand 362 states and 568 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-24 08:23:45,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:23:45,039 INFO L93 Difference]: Finished difference Result 682 states and 1076 transitions. [2024-10-24 08:23:45,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 08:23:45,040 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-10-24 08:23:45,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:23:45,043 INFO L225 Difference]: With dead ends: 682 [2024-10-24 08:23:45,043 INFO L226 Difference]: Without dead ends: 372 [2024-10-24 08:23:45,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 08:23:45,046 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 47 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 08:23:45,047 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 220 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 08:23:45,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2024-10-24 08:23:45,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 363. [2024-10-24 08:23:45,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 247 states have (on average 1.4129554655870444) internal successors, (349), 247 states have internal predecessors, (349), 110 states have call successors, (110), 5 states have call predecessors, (110), 5 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) [2024-10-24 08:23:45,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 569 transitions. [2024-10-24 08:23:45,074 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 569 transitions. Word has length 152 [2024-10-24 08:23:45,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:23:45,075 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 569 transitions. [2024-10-24 08:23:45,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-24 08:23:45,076 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 569 transitions. [2024-10-24 08:23:45,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-24 08:23:45,076 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:23:45,077 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:23:45,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 08:23:45,077 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:23:45,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:23:45,077 INFO L85 PathProgramCache]: Analyzing trace with hash 639385673, now seen corresponding path program 1 times [2024-10-24 08:23:45,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:23:45,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573541250] [2024-10-24 08:23:45,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:23:45,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:23:45,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:45,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:23:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:45,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:23:45,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:45,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:23:45,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:45,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:23:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:45,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:23:45,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:45,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:23:45,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:45,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:23:45,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:45,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:23:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:45,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:23:45,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:45,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:23:45,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:45,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:23:45,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:45,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:23:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:45,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:23:45,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:45,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:23:45,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:45,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:23:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:45,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:23:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:45,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:23:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:45,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 08:23:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:45,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 08:23:45,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:45,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 08:23:45,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:45,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 08:23:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:45,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 08:23:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:45,696 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-24 08:23:45,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:23:45,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573541250] [2024-10-24 08:23:45,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573541250] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:23:45,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:23:45,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 08:23:45,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655993247] [2024-10-24 08:23:45,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:23:45,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 08:23:45,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:23:45,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 08:23:45,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 08:23:45,698 INFO L87 Difference]: Start difference. First operand 363 states and 569 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-24 08:23:45,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:23:45,995 INFO L93 Difference]: Finished difference Result 692 states and 1088 transitions. [2024-10-24 08:23:45,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 08:23:45,996 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-10-24 08:23:45,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:23:45,999 INFO L225 Difference]: With dead ends: 692 [2024-10-24 08:23:45,999 INFO L226 Difference]: Without dead ends: 370 [2024-10-24 08:23:46,000 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-24 08:23:46,002 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 52 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 08:23:46,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 347 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 08:23:46,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-10-24 08:23:46,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 363. [2024-10-24 08:23:46,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 247 states have (on average 1.408906882591093) internal successors, (348), 247 states have internal predecessors, (348), 110 states have call successors, (110), 5 states have call predecessors, (110), 5 states have return successors, (110), 110 states have call predecessors, (110), 110 states have call successors, (110) [2024-10-24 08:23:46,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 568 transitions. [2024-10-24 08:23:46,048 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 568 transitions. Word has length 152 [2024-10-24 08:23:46,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:23:46,048 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 568 transitions. [2024-10-24 08:23:46,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-24 08:23:46,049 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 568 transitions. [2024-10-24 08:23:46,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-24 08:23:46,050 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:23:46,050 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:23:46,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 08:23:46,050 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:23:46,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:23:46,051 INFO L85 PathProgramCache]: Analyzing trace with hash -2067233721, now seen corresponding path program 1 times [2024-10-24 08:23:46,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:23:46,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013565240] [2024-10-24 08:23:46,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:23:46,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:23:46,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:51,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:23:51,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:51,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:23:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:51,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:23:51,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:51,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:23:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:51,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:23:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:51,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:23:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:51,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:23:51,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:51,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:23:51,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:51,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:23:51,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:51,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:23:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:51,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:23:51,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:51,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:23:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:51,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:23:51,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:51,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:23:51,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:51,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:23:51,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:51,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:23:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:51,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:23:51,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:51,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 08:23:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:51,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 08:23:51,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:51,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 08:23:51,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:51,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 08:23:51,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:51,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 08:23:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:51,823 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-24 08:23:51,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:23:51,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013565240] [2024-10-24 08:23:51,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013565240] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:23:51,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:23:51,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-24 08:23:51,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717216786] [2024-10-24 08:23:51,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:23:51,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-24 08:23:51,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:23:51,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-24 08:23:51,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-10-24 08:23:51,825 INFO L87 Difference]: Start difference. First operand 363 states and 568 transitions. Second operand has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-24 08:23:54,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:23:54,629 INFO L93 Difference]: Finished difference Result 688 states and 1050 transitions. [2024-10-24 08:23:54,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-24 08:23:54,630 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-10-24 08:23:54,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:23:54,633 INFO L225 Difference]: With dead ends: 688 [2024-10-24 08:23:54,635 INFO L226 Difference]: Without dead ends: 686 [2024-10-24 08:23:54,635 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=322, Invalid=800, Unknown=0, NotChecked=0, Total=1122 [2024-10-24 08:23:54,636 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 369 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 831 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-24 08:23:54,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 627 Invalid, 924 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 831 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-24 08:23:54,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2024-10-24 08:23:54,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 552. [2024-10-24 08:23:54,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 390 states have (on average 1.4230769230769231) internal successors, (555), 390 states have internal predecessors, (555), 154 states have call successors, (154), 7 states have call predecessors, (154), 7 states have return successors, (154), 154 states have call predecessors, (154), 154 states have call successors, (154) [2024-10-24 08:23:54,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 863 transitions. [2024-10-24 08:23:54,674 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 863 transitions. Word has length 152 [2024-10-24 08:23:54,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:23:54,674 INFO L471 AbstractCegarLoop]: Abstraction has 552 states and 863 transitions. [2024-10-24 08:23:54,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 13 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-24 08:23:54,675 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 863 transitions. [2024-10-24 08:23:54,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-24 08:23:54,676 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:23:54,676 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:23:54,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 08:23:54,676 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:23:54,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:23:54,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1834706565, now seen corresponding path program 1 times [2024-10-24 08:23:54,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:23:54,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923325602] [2024-10-24 08:23:54,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:23:54,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:23:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:54,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:23:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:54,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:23:54,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:54,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:23:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:54,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:23:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:54,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:23:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:54,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:23:54,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:54,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:23:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:54,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:23:54,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:54,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:23:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:54,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:23:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:54,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:23:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:54,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:23:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:54,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:23:54,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:54,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:23:54,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:54,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:23:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:54,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:23:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:54,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:23:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:54,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 08:23:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:54,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 08:23:54,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:54,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 08:23:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:54,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 08:23:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:54,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 08:23:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:54,819 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-24 08:23:54,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:23:54,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923325602] [2024-10-24 08:23:54,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923325602] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:23:54,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:23:54,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 08:23:54,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975349807] [2024-10-24 08:23:54,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:23:54,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 08:23:54,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:23:54,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 08:23:54,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 08:23:54,822 INFO L87 Difference]: Start difference. First operand 552 states and 863 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-24 08:23:54,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:23:54,942 INFO L93 Difference]: Finished difference Result 1169 states and 1841 transitions. [2024-10-24 08:23:54,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 08:23:54,943 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-10-24 08:23:54,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:23:54,946 INFO L225 Difference]: With dead ends: 1169 [2024-10-24 08:23:54,946 INFO L226 Difference]: Without dead ends: 670 [2024-10-24 08:23:54,948 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 08:23:54,949 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 138 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 08:23:54,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 482 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 08:23:54,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2024-10-24 08:23:54,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 473. [2024-10-24 08:23:54,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 334 states have (on average 1.4251497005988023) internal successors, (476), 334 states have internal predecessors, (476), 132 states have call successors, (132), 6 states have call predecessors, (132), 6 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) [2024-10-24 08:23:54,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 740 transitions. [2024-10-24 08:23:54,982 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 740 transitions. Word has length 152 [2024-10-24 08:23:54,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:23:54,983 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 740 transitions. [2024-10-24 08:23:54,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-24 08:23:54,983 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 740 transitions. [2024-10-24 08:23:54,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-24 08:23:54,984 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:23:54,984 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:23:54,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 08:23:54,985 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:23:54,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:23:54,985 INFO L85 PathProgramCache]: Analyzing trace with hash -835083449, now seen corresponding path program 1 times [2024-10-24 08:23:54,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:23:54,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725539162] [2024-10-24 08:23:54,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:23:54,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:23:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:58,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:23:58,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:58,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:23:58,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:58,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:23:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:58,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:23:58,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:58,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:23:58,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:58,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:23:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:58,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:23:58,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:58,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:23:58,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:58,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:23:58,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:58,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:23:58,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:58,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:23:58,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:58,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:23:58,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:58,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:23:58,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:58,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:23:58,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:58,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:23:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:58,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:23:58,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:58,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:23:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:58,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 08:23:58,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:58,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 08:23:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:58,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 08:23:58,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:58,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 08:23:58,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:58,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 08:23:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:58,576 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-24 08:23:58,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:23:58,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725539162] [2024-10-24 08:23:58,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725539162] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:23:58,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:23:58,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 08:23:58,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407513669] [2024-10-24 08:23:58,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:23:58,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 08:23:58,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:23:58,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 08:23:58,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-10-24 08:23:58,578 INFO L87 Difference]: Start difference. First operand 473 states and 740 transitions. Second operand has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-24 08:23:59,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:23:59,407 INFO L93 Difference]: Finished difference Result 825 states and 1273 transitions. [2024-10-24 08:23:59,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 08:23:59,407 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-10-24 08:23:59,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:23:59,411 INFO L225 Difference]: With dead ends: 825 [2024-10-24 08:23:59,411 INFO L226 Difference]: Without dead ends: 564 [2024-10-24 08:23:59,412 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2024-10-24 08:23:59,413 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 245 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-24 08:23:59,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 592 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-24 08:23:59,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2024-10-24 08:23:59,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 493. [2024-10-24 08:23:59,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 493 states, 346 states have (on average 1.4017341040462428) internal successors, (485), 347 states have internal predecessors, (485), 138 states have call successors, (138), 8 states have call predecessors, (138), 8 states have return successors, (138), 137 states have call predecessors, (138), 138 states have call successors, (138) [2024-10-24 08:23:59,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 761 transitions. [2024-10-24 08:23:59,445 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 761 transitions. Word has length 152 [2024-10-24 08:23:59,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:23:59,446 INFO L471 AbstractCegarLoop]: Abstraction has 493 states and 761 transitions. [2024-10-24 08:23:59,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.75) internal successors, (45), 12 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-24 08:23:59,446 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 761 transitions. [2024-10-24 08:23:59,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-10-24 08:23:59,447 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:23:59,448 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:23:59,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 08:23:59,448 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:23:59,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:23:59,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1640927561, now seen corresponding path program 1 times [2024-10-24 08:23:59,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:23:59,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123372835] [2024-10-24 08:23:59,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:23:59,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:23:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:59,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:23:59,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:59,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:23:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:59,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:23:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:59,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:23:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:59,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:23:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:59,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:23:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:59,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:23:59,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:59,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:23:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:59,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:23:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:59,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:23:59,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:59,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:23:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:59,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:23:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:59,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:23:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:59,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:23:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:59,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:23:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:59,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:23:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:59,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:23:59,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:59,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 08:23:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:59,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 08:23:59,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:59,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 08:23:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:59,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 08:23:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:59,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 08:23:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:23:59,566 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-24 08:23:59,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:23:59,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123372835] [2024-10-24 08:23:59,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123372835] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:23:59,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:23:59,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 08:23:59,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505395901] [2024-10-24 08:23:59,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:23:59,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 08:23:59,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:23:59,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 08:23:59,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 08:23:59,568 INFO L87 Difference]: Start difference. First operand 493 states and 761 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-24 08:23:59,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:23:59,682 INFO L93 Difference]: Finished difference Result 650 states and 1008 transitions. [2024-10-24 08:23:59,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 08:23:59,682 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2024-10-24 08:23:59,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:23:59,685 INFO L225 Difference]: With dead ends: 650 [2024-10-24 08:23:59,685 INFO L226 Difference]: Without dead ends: 334 [2024-10-24 08:23:59,686 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 08:23:59,688 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 126 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 08:23:59,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 182 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 08:23:59,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-10-24 08:23:59,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 328. [2024-10-24 08:23:59,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 227 states have (on average 1.3524229074889869) internal successors, (307), 228 states have internal predecessors, (307), 94 states have call successors, (94), 6 states have call predecessors, (94), 6 states have return successors, (94), 93 states have call predecessors, (94), 94 states have call successors, (94) [2024-10-24 08:23:59,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 495 transitions. [2024-10-24 08:23:59,711 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 495 transitions. Word has length 152 [2024-10-24 08:23:59,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:23:59,711 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 495 transitions. [2024-10-24 08:23:59,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-24 08:23:59,711 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 495 transitions. [2024-10-24 08:23:59,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-10-24 08:23:59,712 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:23:59,713 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:23:59,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 08:23:59,713 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:23:59,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:23:59,713 INFO L85 PathProgramCache]: Analyzing trace with hash 339765477, now seen corresponding path program 1 times [2024-10-24 08:23:59,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:23:59,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819037157] [2024-10-24 08:23:59,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:23:59,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:23:59,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:03,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:24:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:03,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:24:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:03,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:24:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:03,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:24:03,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:03,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:24:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:03,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:24:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:03,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:24:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:03,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:24:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:03,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:24:03,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:03,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:24:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:03,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:24:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:03,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:24:03,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:03,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:24:03,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:03,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:24:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:03,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:24:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:03,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:24:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:03,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:24:03,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:03,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 08:24:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:03,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 08:24:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:03,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 08:24:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:03,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 08:24:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:03,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 08:24:03,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:03,600 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-24 08:24:03,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:24:03,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819037157] [2024-10-24 08:24:03,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819037157] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:24:03,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:24:03,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-24 08:24:03,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067386323] [2024-10-24 08:24:03,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:24:03,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 08:24:03,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:24:03,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 08:24:03,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-10-24 08:24:03,602 INFO L87 Difference]: Start difference. First operand 328 states and 495 transitions. Second operand has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-24 08:24:04,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:24:04,773 INFO L93 Difference]: Finished difference Result 616 states and 929 transitions. [2024-10-24 08:24:04,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-24 08:24:04,774 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 153 [2024-10-24 08:24:04,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:24:04,776 INFO L225 Difference]: With dead ends: 616 [2024-10-24 08:24:04,776 INFO L226 Difference]: Without dead ends: 345 [2024-10-24 08:24:04,777 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=228, Invalid=642, Unknown=0, NotChecked=0, Total=870 [2024-10-24 08:24:04,778 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 264 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 08:24:04,778 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 524 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 08:24:04,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-10-24 08:24:04,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 331. [2024-10-24 08:24:04,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 230 states have (on average 1.3304347826086957) internal successors, (306), 231 states have internal predecessors, (306), 94 states have call successors, (94), 6 states have call predecessors, (94), 6 states have return successors, (94), 93 states have call predecessors, (94), 94 states have call successors, (94) [2024-10-24 08:24:04,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 494 transitions. [2024-10-24 08:24:04,801 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 494 transitions. Word has length 153 [2024-10-24 08:24:04,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:24:04,802 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 494 transitions. [2024-10-24 08:24:04,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.8333333333333335) internal successors, (46), 12 states have internal predecessors, (46), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-24 08:24:04,802 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 494 transitions. [2024-10-24 08:24:04,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-10-24 08:24:04,803 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:24:04,803 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:24:04,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 08:24:04,803 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:24:04,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:24:04,804 INFO L85 PathProgramCache]: Analyzing trace with hash 582782823, now seen corresponding path program 1 times [2024-10-24 08:24:04,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:24:04,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909629314] [2024-10-24 08:24:04,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:24:04,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:24:04,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:09,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:24:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:09,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:24:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:09,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:24:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:09,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:24:09,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:09,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:24:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:09,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:24:09,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:24:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:24:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:24:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:24:10,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:24:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:24:10,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:24:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:24:10,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:24:10,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:24:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:24:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 08:24:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 08:24:10,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 08:24:10,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 08:24:10,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 08:24:10,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,223 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-24 08:24:10,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:24:10,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909629314] [2024-10-24 08:24:10,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909629314] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:24:10,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:24:10,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-24 08:24:10,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546056390] [2024-10-24 08:24:10,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:24:10,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 08:24:10,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:24:10,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 08:24:10,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-24 08:24:10,226 INFO L87 Difference]: Start difference. First operand 331 states and 494 transitions. Second operand has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 3 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-10-24 08:24:10,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:24:10,780 INFO L93 Difference]: Finished difference Result 630 states and 942 transitions. [2024-10-24 08:24:10,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 08:24:10,780 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 3 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 153 [2024-10-24 08:24:10,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:24:10,784 INFO L225 Difference]: With dead ends: 630 [2024-10-24 08:24:10,784 INFO L226 Difference]: Without dead ends: 356 [2024-10-24 08:24:10,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-10-24 08:24:10,786 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 115 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 665 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 08:24:10,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 665 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 08:24:10,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-10-24 08:24:10,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 339. [2024-10-24 08:24:10,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 238 states have (on average 1.3361344537815125) internal successors, (318), 239 states have internal predecessors, (318), 94 states have call successors, (94), 6 states have call predecessors, (94), 6 states have return successors, (94), 93 states have call predecessors, (94), 94 states have call successors, (94) [2024-10-24 08:24:10,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 506 transitions. [2024-10-24 08:24:10,810 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 506 transitions. Word has length 153 [2024-10-24 08:24:10,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:24:10,811 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 506 transitions. [2024-10-24 08:24:10,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 3 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-10-24 08:24:10,811 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 506 transitions. [2024-10-24 08:24:10,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2024-10-24 08:24:10,813 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:24:10,814 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:24:10,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-24 08:24:10,814 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:24:10,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:24:10,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1233499808, now seen corresponding path program 1 times [2024-10-24 08:24:10,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:24:10,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745733693] [2024-10-24 08:24:10,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:24:10,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:24:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:24:10,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:24:10,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:24:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:24:10,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:24:10,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:24:10,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:24:10,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:24:10,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:24:10,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:24:10,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:24:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:24:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:24:10,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:24:10,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:24:10,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:24:10,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:24:10,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 08:24:10,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 08:24:10,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 08:24:10,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 08:24:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 08:24:10,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 08:24:10,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 08:24:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-24 08:24:10,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 08:24:10,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-24 08:24:10,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 08:24:10,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-24 08:24:10,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 08:24:10,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-24 08:24:10,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 08:24:10,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 08:24:10,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 08:24:10,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 08:24:10,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-24 08:24:10,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-24 08:24:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-24 08:24:10,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-24 08:24:10,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-24 08:24:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-24 08:24:10,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-24 08:24:10,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-24 08:24:10,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-24 08:24:10,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:10,984 INFO L134 CoverageAnalysis]: Checked inductivity of 3842 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-24 08:24:10,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:24:10,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745733693] [2024-10-24 08:24:10,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745733693] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:24:10,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:24:10,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 08:24:10,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374588473] [2024-10-24 08:24:10,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:24:10,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 08:24:10,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:24:10,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 08:24:10,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 08:24:10,986 INFO L87 Difference]: Start difference. First operand 339 states and 506 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-10-24 08:24:11,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:24:11,192 INFO L93 Difference]: Finished difference Result 825 states and 1248 transitions. [2024-10-24 08:24:11,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 08:24:11,193 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 300 [2024-10-24 08:24:11,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:24:11,196 INFO L225 Difference]: With dead ends: 825 [2024-10-24 08:24:11,196 INFO L226 Difference]: Without dead ends: 551 [2024-10-24 08:24:11,196 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-24 08:24:11,197 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 374 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 08:24:11,197 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 461 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 08:24:11,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2024-10-24 08:24:11,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 492. [2024-10-24 08:24:11,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 328 states have (on average 1.3048780487804879) internal successors, (428), 328 states have internal predecessors, (428), 154 states have call successors, (154), 9 states have call predecessors, (154), 9 states have return successors, (154), 154 states have call predecessors, (154), 154 states have call successors, (154) [2024-10-24 08:24:11,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 736 transitions. [2024-10-24 08:24:11,231 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 736 transitions. Word has length 300 [2024-10-24 08:24:11,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:24:11,232 INFO L471 AbstractCegarLoop]: Abstraction has 492 states and 736 transitions. [2024-10-24 08:24:11,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-10-24 08:24:11,232 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 736 transitions. [2024-10-24 08:24:11,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2024-10-24 08:24:11,234 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:24:11,234 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:24:11,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-24 08:24:11,234 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:24:11,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:24:11,235 INFO L85 PathProgramCache]: Analyzing trace with hash -470712556, now seen corresponding path program 1 times [2024-10-24 08:24:11,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:24:11,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385969589] [2024-10-24 08:24:11,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:24:11,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:24:11,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:24:11,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:24:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:24:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:24:11,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:24:11,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:24:11,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:24:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:24:11,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:24:11,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:24:11,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:24:11,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:24:11,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:24:11,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:24:11,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:24:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:24:11,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:24:11,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 08:24:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 08:24:11,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 08:24:11,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 08:24:11,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 08:24:11,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 08:24:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 08:24:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-24 08:24:11,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 08:24:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-24 08:24:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 08:24:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-24 08:24:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 08:24:11,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-24 08:24:11,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 08:24:11,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 08:24:11,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 08:24:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 08:24:11,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-24 08:24:11,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-24 08:24:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-24 08:24:11,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-24 08:24:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-24 08:24:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-24 08:24:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-24 08:24:11,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-24 08:24:11,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-24 08:24:11,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,363 INFO L134 CoverageAnalysis]: Checked inductivity of 3843 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-24 08:24:11,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:24:11,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385969589] [2024-10-24 08:24:11,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385969589] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 08:24:11,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 08:24:11,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 08:24:11,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895546521] [2024-10-24 08:24:11,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 08:24:11,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 08:24:11,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 08:24:11,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 08:24:11,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 08:24:11,364 INFO L87 Difference]: Start difference. First operand 492 states and 736 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-10-24 08:24:11,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 08:24:11,429 INFO L93 Difference]: Finished difference Result 1043 states and 1581 transitions. [2024-10-24 08:24:11,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 08:24:11,430 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 301 [2024-10-24 08:24:11,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 08:24:11,433 INFO L225 Difference]: With dead ends: 1043 [2024-10-24 08:24:11,433 INFO L226 Difference]: Without dead ends: 771 [2024-10-24 08:24:11,434 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 08:24:11,436 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 61 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 08:24:11,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 326 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 08:24:11,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2024-10-24 08:24:11,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 714. [2024-10-24 08:24:11,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 714 states, 458 states have (on average 1.2838427947598254) internal successors, (588), 458 states have internal predecessors, (588), 242 states have call successors, (242), 13 states have call predecessors, (242), 13 states have return successors, (242), 242 states have call predecessors, (242), 242 states have call successors, (242) [2024-10-24 08:24:11,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 714 states and 1072 transitions. [2024-10-24 08:24:11,511 INFO L78 Accepts]: Start accepts. Automaton has 714 states and 1072 transitions. Word has length 301 [2024-10-24 08:24:11,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 08:24:11,512 INFO L471 AbstractCegarLoop]: Abstraction has 714 states and 1072 transitions. [2024-10-24 08:24:11,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-10-24 08:24:11,512 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 1072 transitions. [2024-10-24 08:24:11,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-10-24 08:24:11,515 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 08:24:11,515 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 08:24:11,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-24 08:24:11,516 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 08:24:11,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 08:24:11,516 INFO L85 PathProgramCache]: Analyzing trace with hash 718115083, now seen corresponding path program 1 times [2024-10-24 08:24:11,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 08:24:11,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703093036] [2024-10-24 08:24:11,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:24:11,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 08:24:11,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 08:24:11,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 08:24:11,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 08:24:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:11,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 08:24:12,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 08:24:12,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 08:24:12,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-24 08:24:12,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-24 08:24:12,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-24 08:24:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-24 08:24:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 08:24:12,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-24 08:24:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 08:24:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-24 08:24:12,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-24 08:24:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-24 08:24:12,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-24 08:24:12,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-24 08:24:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-24 08:24:12,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-24 08:24:12,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-24 08:24:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-24 08:24:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-24 08:24:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 08:24:12,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-24 08:24:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 08:24:12,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-24 08:24:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 08:24:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-24 08:24:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-24 08:24:12,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-24 08:24:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-24 08:24:12,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-24 08:24:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-24 08:24:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-10-24 08:24:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-10-24 08:24:12,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-10-24 08:24:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-10-24 08:24:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-24 08:24:12,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-24 08:24:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-24 08:24:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-24 08:24:12,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2024-10-24 08:24:12,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-24 08:24:12,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,098 INFO L134 CoverageAnalysis]: Checked inductivity of 3843 backedges. 18 proven. 41 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-10-24 08:24:12,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 08:24:12,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703093036] [2024-10-24 08:24:12,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703093036] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 08:24:12,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384738991] [2024-10-24 08:24:12,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 08:24:12,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 08:24:12,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 08:24:12,101 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 08:24:12,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 08:24:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 08:24:12,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-24 08:24:12,277 INFO L278 TraceCheckSpWp]: Computing forward predicates...