./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-10.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 4d936c2bc359502c9cc80babbbddc5f5ec41bb334054fc0df7f5bb21f4158f99 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 20:35:58,783 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 20:35:58,848 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 20:35:58,853 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 20:35:58,854 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 20:35:58,875 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 20:35:58,877 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 20:35:58,877 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 20:35:58,878 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 20:35:58,878 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 20:35:58,878 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 20:35:58,879 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 20:35:58,879 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 20:35:58,879 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 20:35:58,879 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 20:35:58,880 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 20:35:58,880 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 20:35:58,884 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 20:35:58,884 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 20:35:58,884 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 20:35:58,885 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 20:35:58,885 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 20:35:58,885 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 20:35:58,885 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 20:35:58,886 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 20:35:58,886 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 20:35:58,886 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 20:35:58,887 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 20:35:58,888 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 20:35:58,888 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 20:35:58,888 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 20:35:58,888 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 20:35:58,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 20:35:58,889 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 20:35:58,889 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 20:35:58,889 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 20:35:58,889 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 20:35:58,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 20:35:58,889 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 20:35:58,889 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 20:35:58,890 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 20:35:58,891 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 20:35:58,891 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d936c2bc359502c9cc80babbbddc5f5ec41bb334054fc0df7f5bb21f4158f99 [2024-11-08 20:35:59,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 20:35:59,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 20:35:59,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 20:35:59,162 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 20:35:59,162 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 20:35:59,163 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-10.i [2024-11-08 20:36:00,528 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 20:36:00,686 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 20:36:00,687 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-10.i [2024-11-08 20:36:00,694 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e76573ba/21bf39e272794e04849ce98bc8cc78dc/FLAG4102cdd7d [2024-11-08 20:36:00,705 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e76573ba/21bf39e272794e04849ce98bc8cc78dc [2024-11-08 20:36:00,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 20:36:00,708 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 20:36:00,709 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 20:36:00,709 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 20:36:00,713 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 20:36:00,713 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 08:36:00" (1/1) ... [2024-11-08 20:36:00,714 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3716f06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:36:00, skipping insertion in model container [2024-11-08 20:36:00,714 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 08:36:00" (1/1) ... [2024-11-08 20:36:00,735 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 20:36:00,850 WARN L250 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_fillercodesize_ps-cn-25_file-10.i[915,928] [2024-11-08 20:36:00,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 20:36:00,919 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 20:36:00,936 WARN L250 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_fillercodesize_ps-cn-25_file-10.i[915,928] [2024-11-08 20:36:00,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 20:36:01,005 INFO L204 MainTranslator]: Completed translation [2024-11-08 20:36:01,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:36:01 WrapperNode [2024-11-08 20:36:01,008 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 20:36:01,008 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 20:36:01,009 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 20:36:01,009 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 20:36:01,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:36:01" (1/1) ... [2024-11-08 20:36:01,027 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:36:01" (1/1) ... [2024-11-08 20:36:01,065 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 242 [2024-11-08 20:36:01,066 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 20:36:01,068 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 20:36:01,068 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 20:36:01,068 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 20:36:01,080 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:36:01" (1/1) ... [2024-11-08 20:36:01,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:36:01" (1/1) ... [2024-11-08 20:36:01,084 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:36:01" (1/1) ... [2024-11-08 20:36:01,114 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]. [2024-11-08 20:36:01,115 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:36:01" (1/1) ... [2024-11-08 20:36:01,115 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:36:01" (1/1) ... [2024-11-08 20:36:01,132 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:36:01" (1/1) ... [2024-11-08 20:36:01,135 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:36:01" (1/1) ... [2024-11-08 20:36:01,141 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:36:01" (1/1) ... [2024-11-08 20:36:01,146 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:36:01" (1/1) ... [2024-11-08 20:36:01,154 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 20:36:01,154 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 20:36:01,155 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 20:36:01,155 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 20:36:01,159 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:36:01" (1/1) ... [2024-11-08 20:36:01,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 20:36:01,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 20:36:01,209 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) [2024-11-08 20:36:01,216 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 [2024-11-08 20:36:01,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 20:36:01,268 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 20:36:01,269 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 20:36:01,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 20:36:01,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 20:36:01,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 20:36:01,377 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 20:36:01,379 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 20:36:01,723 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-08 20:36:01,723 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 20:36:01,737 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 20:36:01,739 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 20:36:01,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 08:36:01 BoogieIcfgContainer [2024-11-08 20:36:01,739 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 20:36:01,742 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 20:36:01,742 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 20:36:01,745 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 20:36:01,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 08:36:00" (1/3) ... [2024-11-08 20:36:01,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1067982 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 08:36:01, skipping insertion in model container [2024-11-08 20:36:01,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 08:36:01" (2/3) ... [2024-11-08 20:36:01,747 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1067982 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 08:36:01, skipping insertion in model container [2024-11-08 20:36:01,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 08:36:01" (3/3) ... [2024-11-08 20:36:01,748 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-10.i [2024-11-08 20:36:01,760 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 20:36:01,760 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 20:36:01,807 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 20:36:01,813 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;@77bee7d1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 20:36:01,813 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 20:36:01,816 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 70 states have (on average 1.3571428571428572) internal successors, (95), 71 states have internal predecessors, (95), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-08 20:36:01,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-08 20:36:01,827 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:36:01,828 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:36:01,828 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:36:01,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:36:01,832 INFO L85 PathProgramCache]: Analyzing trace with hash -133426666, now seen corresponding path program 1 times [2024-11-08 20:36:01,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:36:01,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564595091] [2024-11-08 20:36:01,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:36:01,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:36:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:02,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:36:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:02,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:36:02,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:02,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:36:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:02,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:36:02,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:02,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:36:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:02,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:36:02,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:02,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:36:02,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:02,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:36:02,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:02,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:36:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:02,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:36:02,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:02,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:36:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:02,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:36:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:02,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:36:02,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:02,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:36:02,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:02,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:36:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:02,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:36:02,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:02,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:36:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:02,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:36:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:02,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:36:02,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:02,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 20:36:02,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:02,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 20:36:02,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:02,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 20:36:02,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:02,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 20:36:02,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:02,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 20:36:02,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:02,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 20:36:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:02,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 20:36:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:02,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 20:36:02,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:02,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-08 20:36:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:02,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-08 20:36:02,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:02,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-08 20:36:02,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:02,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-08 20:36:02,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:02,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-08 20:36:02,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:02,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-08 20:36:02,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:36:02,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564595091] [2024-11-08 20:36:02,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564595091] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:36:02,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:36:02,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 20:36:02,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500329121] [2024-11-08 20:36:02,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:36:02,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 20:36:02,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:36:02,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 20:36:02,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 20:36:02,299 INFO L87 Difference]: Start difference. First operand has 105 states, 70 states have (on average 1.3571428571428572) internal successors, (95), 71 states have internal predecessors, (95), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-08 20:36:02,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:36:02,330 INFO L93 Difference]: Finished difference Result 203 states and 344 transitions. [2024-11-08 20:36:02,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 20:36:02,332 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) Word has length 208 [2024-11-08 20:36:02,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:36:02,350 INFO L225 Difference]: With dead ends: 203 [2024-11-08 20:36:02,353 INFO L226 Difference]: Without dead ends: 101 [2024-11-08 20:36:02,361 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 20:36:02,368 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 20:36:02,369 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 20:36:02,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-08 20:36:02,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-11-08 20:36:02,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 67 states have (on average 1.3134328358208955) internal successors, (88), 67 states have internal predecessors, (88), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-08 20:36:02,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 152 transitions. [2024-11-08 20:36:02,474 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 152 transitions. Word has length 208 [2024-11-08 20:36:02,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:36:02,475 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 152 transitions. [2024-11-08 20:36:02,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-08 20:36:02,475 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 152 transitions. [2024-11-08 20:36:02,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-08 20:36:02,487 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:36:02,487 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:36:02,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 20:36:02,488 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:36:02,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:36:02,492 INFO L85 PathProgramCache]: Analyzing trace with hash 375102870, now seen corresponding path program 1 times [2024-11-08 20:36:02,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:36:02,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561459067] [2024-11-08 20:36:02,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:36:02,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:36:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:03,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:36:03,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:03,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:36:03,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:03,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:36:03,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:03,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:36:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:03,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:36:03,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:03,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:36:03,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:03,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:36:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:03,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:36:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:03,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:36:03,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:03,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:36:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:03,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:36:03,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:03,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:36:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:03,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:36:03,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:03,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:36:03,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:03,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:36:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:03,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:36:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:03,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:36:03,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:03,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:36:03,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:03,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:36:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:03,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 20:36:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:03,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 20:36:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:03,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 20:36:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:03,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 20:36:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:03,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 20:36:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:03,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 20:36:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:03,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 20:36:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:03,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 20:36:03,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:03,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-08 20:36:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:03,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-08 20:36:03,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:03,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-08 20:36:03,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:03,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-08 20:36:03,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:03,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-08 20:36:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:36:03,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-08 20:36:03,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:36:03,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561459067] [2024-11-08 20:36:03,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561459067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:36:03,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:36:03,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 20:36:03,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190249853] [2024-11-08 20:36:03,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:36:03,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 20:36:03,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:36:03,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 20:36:03,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 20:36:03,155 INFO L87 Difference]: Start difference. First operand 101 states and 152 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-08 20:36:03,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:36:03,366 INFO L93 Difference]: Finished difference Result 298 states and 451 transitions. [2024-11-08 20:36:03,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 20:36:03,367 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 208 [2024-11-08 20:36:03,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:36:03,370 INFO L225 Difference]: With dead ends: 298 [2024-11-08 20:36:03,370 INFO L226 Difference]: Without dead ends: 200 [2024-11-08 20:36:03,373 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 20:36:03,374 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 98 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 20:36:03,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 579 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 20:36:03,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2024-11-08 20:36:03,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 166. [2024-11-08 20:36:03,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 99 states have (on average 1.2525252525252526) internal successors, (124), 99 states have internal predecessors, (124), 64 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-08 20:36:03,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 252 transitions. [2024-11-08 20:36:03,399 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 252 transitions. Word has length 208 [2024-11-08 20:36:03,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:36:03,399 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 252 transitions. [2024-11-08 20:36:03,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-08 20:36:03,400 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 252 transitions. [2024-11-08 20:36:03,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-08 20:36:03,402 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:36:03,402 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:36:03,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 20:36:03,402 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:36:03,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:36:03,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1872658368, now seen corresponding path program 1 times [2024-11-08 20:36:03,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:36:03,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472691849] [2024-11-08 20:36:03,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:36:03,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:36:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:03,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:37:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:03,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:37:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:03,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:37:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:03,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:37:03,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:03,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:37:03,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:03,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:37:03,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:03,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:37:03,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:03,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:37:03,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:03,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:37:03,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:03,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:37:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:03,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:37:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:03,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:37:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:03,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:37:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:03,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:37:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:03,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:37:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:03,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:37:03,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:03,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:37:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:03,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:37:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:03,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:37:03,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:03,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 20:37:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:03,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 20:37:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:03,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 20:37:03,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:03,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 20:37:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:03,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 20:37:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:03,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 20:37:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:03,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 20:37:03,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:03,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 20:37:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:03,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-08 20:37:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:03,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-08 20:37:03,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:03,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-08 20:37:03,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:03,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-08 20:37:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:03,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-08 20:37:03,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:03,146 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-08 20:37:03,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:37:03,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472691849] [2024-11-08 20:37:03,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472691849] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:37:03,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:37:03,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-08 20:37:03,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487468590] [2024-11-08 20:37:03,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:37:03,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 20:37:03,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:37:03,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 20:37:03,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-11-08 20:37:03,150 INFO L87 Difference]: Start difference. First operand 166 states and 252 transitions. Second operand has 16 states, 16 states have (on average 3.25) internal successors, (52), 16 states have internal predecessors, (52), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-11-08 20:37:06,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:37:06,026 INFO L93 Difference]: Finished difference Result 487 states and 711 transitions. [2024-11-08 20:37:06,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 20:37:06,027 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.25) internal successors, (52), 16 states have internal predecessors, (52), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 209 [2024-11-08 20:37:06,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:37:06,030 INFO L225 Difference]: With dead ends: 487 [2024-11-08 20:37:06,031 INFO L226 Difference]: Without dead ends: 389 [2024-11-08 20:37:06,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=208, Invalid=662, Unknown=0, NotChecked=0, Total=870 [2024-11-08 20:37:06,032 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 691 mSDsluCounter, 863 mSDsCounter, 0 mSdLazyCounter, 1412 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 691 SdHoareTripleChecker+Valid, 1004 SdHoareTripleChecker+Invalid, 1537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 1412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-08 20:37:06,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [691 Valid, 1004 Invalid, 1537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 1412 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-08 20:37:06,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-11-08 20:37:06,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 299. [2024-11-08 20:37:06,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 194 states have (on average 1.2525773195876289) internal successors, (243), 195 states have internal predecessors, (243), 96 states have call successors, (96), 8 states have call predecessors, (96), 8 states have return successors, (96), 95 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-08 20:37:06,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 435 transitions. [2024-11-08 20:37:06,062 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 435 transitions. Word has length 209 [2024-11-08 20:37:06,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:37:06,063 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 435 transitions. [2024-11-08 20:37:06,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.25) internal successors, (52), 16 states have internal predecessors, (52), 3 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-11-08 20:37:06,063 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 435 transitions. [2024-11-08 20:37:06,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-08 20:37:06,066 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:37:06,066 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:37:06,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 20:37:06,066 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:37:06,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:37:06,067 INFO L85 PathProgramCache]: Analyzing trace with hash 2130823806, now seen corresponding path program 1 times [2024-11-08 20:37:06,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:37:06,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891895255] [2024-11-08 20:37:06,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:37:06,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:37:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:23,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:37:23,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:23,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:37:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:23,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:37:23,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:23,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:37:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:23,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:37:23,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:23,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:37:23,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:23,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:37:23,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:23,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:37:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:23,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:37:23,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:23,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:37:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:23,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:37:23,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:23,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:37:23,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:23,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:37:23,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:23,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:37:23,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:23,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:37:23,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:23,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:37:23,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:23,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:37:23,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:23,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:37:23,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:23,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:37:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:23,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 20:37:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:23,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 20:37:23,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:23,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 20:37:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:23,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 20:37:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:23,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 20:37:23,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:23,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 20:37:23,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:23,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 20:37:23,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:23,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 20:37:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:23,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-08 20:37:23,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:23,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-08 20:37:23,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:23,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-08 20:37:23,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:23,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-08 20:37:23,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:23,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-08 20:37:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:23,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-08 20:37:23,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:37:23,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891895255] [2024-11-08 20:37:23,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891895255] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:37:23,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:37:23,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-08 20:37:23,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090053406] [2024-11-08 20:37:23,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:37:23,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 20:37:23,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:37:23,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 20:37:23,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-11-08 20:37:23,809 INFO L87 Difference]: Start difference. First operand 299 states and 435 transitions. Second operand has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-08 20:37:26,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:37:26,003 INFO L93 Difference]: Finished difference Result 539 states and 767 transitions. [2024-11-08 20:37:26,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 20:37:26,004 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 209 [2024-11-08 20:37:26,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:37:26,008 INFO L225 Difference]: With dead ends: 539 [2024-11-08 20:37:26,008 INFO L226 Difference]: Without dead ends: 441 [2024-11-08 20:37:26,009 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=183, Invalid=573, Unknown=0, NotChecked=0, Total=756 [2024-11-08 20:37:26,009 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 609 mSDsluCounter, 980 mSDsCounter, 0 mSdLazyCounter, 1465 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 1130 SdHoareTripleChecker+Invalid, 1586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 1465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 20:37:26,010 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [609 Valid, 1130 Invalid, 1586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 1465 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 20:37:26,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-11-08 20:37:26,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 301. [2024-11-08 20:37:26,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 196 states have (on average 1.2551020408163265) internal successors, (246), 197 states have internal predecessors, (246), 96 states have call successors, (96), 8 states have call predecessors, (96), 8 states have return successors, (96), 95 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-08 20:37:26,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 438 transitions. [2024-11-08 20:37:26,048 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 438 transitions. Word has length 209 [2024-11-08 20:37:26,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:37:26,050 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 438 transitions. [2024-11-08 20:37:26,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2024-11-08 20:37:26,050 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 438 transitions. [2024-11-08 20:37:26,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-08 20:37:26,053 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:37:26,053 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:37:26,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 20:37:26,054 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:37:26,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:37:26,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1016018050, now seen corresponding path program 1 times [2024-11-08 20:37:26,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:37:26,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800337810] [2024-11-08 20:37:26,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:37:26,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:37:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:33,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 20:37:33,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:33,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 20:37:33,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:33,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 20:37:33,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:33,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 20:37:33,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:33,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 20:37:33,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:33,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 20:37:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:33,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 20:37:33,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:33,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 20:37:33,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:33,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 20:37:33,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:33,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 20:37:33,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:33,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 20:37:33,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:33,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 20:37:33,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:33,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 20:37:33,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:33,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 20:37:33,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:33,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 20:37:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:33,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 20:37:33,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:33,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 20:37:33,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:33,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 20:37:33,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:33,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 20:37:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:33,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-08 20:37:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:33,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-08 20:37:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:33,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 20:37:33,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:33,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-08 20:37:33,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:33,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-08 20:37:33,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:33,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-08 20:37:33,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:33,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-08 20:37:33,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:33,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 20:37:33,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:33,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-08 20:37:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:33,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-08 20:37:33,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:33,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-08 20:37:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:33,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-08 20:37:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:33,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-08 20:37:33,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 20:37:33,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-11-08 20:37:33,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 20:37:33,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800337810] [2024-11-08 20:37:33,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800337810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 20:37:33,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 20:37:33,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-08 20:37:33,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888586330] [2024-11-08 20:37:33,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 20:37:33,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 20:37:33,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 20:37:33,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 20:37:33,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2024-11-08 20:37:33,549 INFO L87 Difference]: Start difference. First operand 301 states and 438 transitions. Second operand has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-08 20:37:35,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 20:37:35,063 INFO L93 Difference]: Finished difference Result 657 states and 933 transitions. [2024-11-08 20:37:35,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 20:37:35,064 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 209 [2024-11-08 20:37:35,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 20:37:35,067 INFO L225 Difference]: With dead ends: 657 [2024-11-08 20:37:35,067 INFO L226 Difference]: Without dead ends: 559 [2024-11-08 20:37:35,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=175, Invalid=475, Unknown=0, NotChecked=0, Total=650 [2024-11-08 20:37:35,068 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 515 mSDsluCounter, 674 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 20:37:35,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [515 Valid, 807 Invalid, 917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 807 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 20:37:35,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2024-11-08 20:37:35,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 320. [2024-11-08 20:37:35,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 215 states have (on average 1.283720930232558) internal successors, (276), 215 states have internal predecessors, (276), 96 states have call successors, (96), 8 states have call predecessors, (96), 8 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-08 20:37:35,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 468 transitions. [2024-11-08 20:37:35,088 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 468 transitions. Word has length 209 [2024-11-08 20:37:35,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 20:37:35,088 INFO L471 AbstractCegarLoop]: Abstraction has 320 states and 468 transitions. [2024-11-08 20:37:35,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-11-08 20:37:35,089 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 468 transitions. [2024-11-08 20:37:35,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-08 20:37:35,090 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 20:37:35,090 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 20:37:35,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 20:37:35,091 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 20:37:35,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 20:37:35,091 INFO L85 PathProgramCache]: Analyzing trace with hash -335959680, now seen corresponding path program 1 times [2024-11-08 20:37:35,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 20:37:35,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190926143] [2024-11-08 20:37:35,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 20:37:35,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 20:37:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat