./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-86.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-50_file-86.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 a806d48a99ead9732da218ab0539f2c78630232c1efa4792aeda8612b71a9641 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 21:04:14,776 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 21:04:14,832 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 21:04:14,838 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 21:04:14,838 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 21:04:14,861 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 21:04:14,862 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 21:04:14,862 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 21:04:14,863 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 21:04:14,866 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 21:04:14,866 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 21:04:14,867 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 21:04:14,867 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 21:04:14,867 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 21:04:14,867 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 21:04:14,868 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 21:04:14,868 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 21:04:14,868 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 21:04:14,868 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 21:04:14,869 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 21:04:14,869 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 21:04:14,869 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 21:04:14,869 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 21:04:14,870 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 21:04:14,870 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 21:04:14,870 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 21:04:14,871 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 21:04:14,872 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 21:04:14,872 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 21:04:14,872 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 21:04:14,873 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 21:04:14,873 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 21:04:14,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 21:04:14,874 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 21:04:14,874 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 21:04:14,874 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 21:04:14,874 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 21:04:14,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 21:04:14,875 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 21:04:14,875 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 21:04:14,875 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 21:04:14,875 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 21:04:14,875 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a806d48a99ead9732da218ab0539f2c78630232c1efa4792aeda8612b71a9641 [2024-11-08 21:04:15,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 21:04:15,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 21:04:15,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 21:04:15,077 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 21:04:15,077 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 21:04:15,078 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-86.i [2024-11-08 21:04:16,253 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 21:04:16,408 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 21:04:16,409 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-86.i [2024-11-08 21:04:16,417 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f15ef8ff/e5fa9b451180476db847047b2ed74047/FLAG021fc9ab5 [2024-11-08 21:04:16,811 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f15ef8ff/e5fa9b451180476db847047b2ed74047 [2024-11-08 21:04:16,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 21:04:16,814 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 21:04:16,816 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 21:04:16,816 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 21:04:16,820 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 21:04:16,820 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 09:04:16" (1/1) ... [2024-11-08 21:04:16,822 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d21dfd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:04:16, skipping insertion in model container [2024-11-08 21:04:16,823 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 09:04:16" (1/1) ... [2024-11-08 21:04:16,849 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 21:04:17,017 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-50_file-86.i[915,928] [2024-11-08 21:04:17,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 21:04:17,097 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 21:04:17,106 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-50_file-86.i[915,928] [2024-11-08 21:04:17,130 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 21:04:17,145 INFO L204 MainTranslator]: Completed translation [2024-11-08 21:04:17,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:04:17 WrapperNode [2024-11-08 21:04:17,145 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 21:04:17,146 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 21:04:17,146 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 21:04:17,146 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 21:04:17,151 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:04:17" (1/1) ... [2024-11-08 21:04:17,159 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:04:17" (1/1) ... [2024-11-08 21:04:17,196 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 248 [2024-11-08 21:04:17,197 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 21:04:17,197 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 21:04:17,197 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 21:04:17,198 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 21:04:17,206 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:04:17" (1/1) ... [2024-11-08 21:04:17,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:04:17" (1/1) ... [2024-11-08 21:04:17,209 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:04:17" (1/1) ... [2024-11-08 21:04:17,228 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 21:04:17,229 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:04:17" (1/1) ... [2024-11-08 21:04:17,229 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:04:17" (1/1) ... [2024-11-08 21:04:17,242 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:04:17" (1/1) ... [2024-11-08 21:04:17,245 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:04:17" (1/1) ... [2024-11-08 21:04:17,248 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:04:17" (1/1) ... [2024-11-08 21:04:17,250 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:04:17" (1/1) ... [2024-11-08 21:04:17,254 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 21:04:17,255 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 21:04:17,255 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 21:04:17,255 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 21:04:17,256 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:04:17" (1/1) ... [2024-11-08 21:04:17,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 21:04:17,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 21:04:17,296 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 21:04:17,298 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 21:04:17,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 21:04:17,336 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 21:04:17,337 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 21:04:17,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 21:04:17,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 21:04:17,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 21:04:17,409 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 21:04:17,410 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 21:04:17,816 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-08 21:04:17,817 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 21:04:17,829 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 21:04:17,830 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 21:04:17,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 09:04:17 BoogieIcfgContainer [2024-11-08 21:04:17,830 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 21:04:17,833 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 21:04:17,833 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 21:04:17,836 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 21:04:17,836 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 09:04:16" (1/3) ... [2024-11-08 21:04:17,837 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@384de5e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 09:04:17, skipping insertion in model container [2024-11-08 21:04:17,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:04:17" (2/3) ... [2024-11-08 21:04:17,837 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@384de5e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 09:04:17, skipping insertion in model container [2024-11-08 21:04:17,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 09:04:17" (3/3) ... [2024-11-08 21:04:17,838 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-50_file-86.i [2024-11-08 21:04:17,851 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 21:04:17,851 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 21:04:17,905 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 21:04:17,912 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;@1880b9c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 21:04:17,912 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 21:04:17,915 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 70 states have (on average 1.4714285714285715) internal successors, (103), 71 states have internal predecessors, (103), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-08 21:04:17,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-08 21:04:17,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:04:17,932 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:04:17,932 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:04:17,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:04:17,938 INFO L85 PathProgramCache]: Analyzing trace with hash 750140910, now seen corresponding path program 1 times [2024-11-08 21:04:17,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:04:17,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903343997] [2024-11-08 21:04:17,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:04:17,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:04:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:04:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:04:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:04:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:04:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:04:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:04:18,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:04:18,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:04:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:04:18,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:04:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:04:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:04:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:04:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:04:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:04:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:04:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:04:18,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:04:18,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:04:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:04:18,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:04:18,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:04:18,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:04:18,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:04:18,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:04:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:04:18,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:04:18,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:04:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-08 21:04:18,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:04:18,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-08 21:04:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 21:04:18,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:04:18,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903343997] [2024-11-08 21:04:18,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903343997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:04:18,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:04:18,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 21:04:18,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962249016] [2024-11-08 21:04:18,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:04:18,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 21:04:18,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:04:18,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 21:04:18,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 21:04:18,353 INFO L87 Difference]: Start difference. First operand has 104 states, 70 states have (on average 1.4714285714285715) internal successors, (103), 71 states have internal predecessors, (103), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-08 21:04:18,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:04:18,377 INFO L93 Difference]: Finished difference Result 201 states and 355 transitions. [2024-11-08 21:04:18,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 21:04:18,379 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 197 [2024-11-08 21:04:18,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:04:18,386 INFO L225 Difference]: With dead ends: 201 [2024-11-08 21:04:18,386 INFO L226 Difference]: Without dead ends: 100 [2024-11-08 21:04:18,390 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 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 21:04:18,392 INFO L432 NwaCegarLoop]: 157 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, 157 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 21:04:18,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 21:04:18,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-08 21:04:18,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2024-11-08 21:04:18,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 67 states have (on average 1.4179104477611941) internal successors, (95), 67 states have internal predecessors, (95), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-08 21:04:18,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 157 transitions. [2024-11-08 21:04:18,475 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 157 transitions. Word has length 197 [2024-11-08 21:04:18,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:04:18,476 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 157 transitions. [2024-11-08 21:04:18,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-08 21:04:18,476 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 157 transitions. [2024-11-08 21:04:18,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-08 21:04:18,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:04:18,482 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:04:18,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 21:04:18,482 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:04:18,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:04:18,483 INFO L85 PathProgramCache]: Analyzing trace with hash -263955024, now seen corresponding path program 1 times [2024-11-08 21:04:18,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:04:18,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823812055] [2024-11-08 21:04:18,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:04:18,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:04:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:04:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:04:18,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:04:18,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:04:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:04:18,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:04:18,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:04:18,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:04:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:04:18,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:04:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:04:18,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:04:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:04:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:04:18,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:04:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:04:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:04:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:04:18,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:04:18,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:04:18,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:04:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:04:18,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:04:18,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:04:18,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:04:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:04:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:04:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:04:18,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-08 21:04:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:04:18,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-08 21:04:18,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:18,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 21:04:18,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:04:18,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823812055] [2024-11-08 21:04:18,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823812055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:04:18,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:04:18,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 21:04:18,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348323213] [2024-11-08 21:04:18,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:04:18,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 21:04:18,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:04:18,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 21:04:18,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 21:04:18,835 INFO L87 Difference]: Start difference. First operand 100 states and 157 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 21:04:18,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:04:18,878 INFO L93 Difference]: Finished difference Result 198 states and 313 transitions. [2024-11-08 21:04:18,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 21:04:18,879 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 197 [2024-11-08 21:04:18,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:04:18,881 INFO L225 Difference]: With dead ends: 198 [2024-11-08 21:04:18,881 INFO L226 Difference]: Without dead ends: 101 [2024-11-08 21:04:18,882 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 21:04:18,886 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 0 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 21:04:18,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 306 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 21:04:18,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-08 21:04:18,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-11-08 21:04:18,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 68 states have (on average 1.411764705882353) internal successors, (96), 68 states have internal predecessors, (96), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-08 21:04:18,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 158 transitions. [2024-11-08 21:04:18,903 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 158 transitions. Word has length 197 [2024-11-08 21:04:18,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:04:18,905 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 158 transitions. [2024-11-08 21:04:18,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 21:04:18,906 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 158 transitions. [2024-11-08 21:04:18,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-08 21:04:18,911 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:04:18,911 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:04:18,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 21:04:18,911 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:04:18,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:04:18,912 INFO L85 PathProgramCache]: Analyzing trace with hash 2036867566, now seen corresponding path program 1 times [2024-11-08 21:04:18,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:04:18,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592126205] [2024-11-08 21:04:18,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:04:18,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:04:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:23,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:04:23,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:23,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:04:23,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:23,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:04:23,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:23,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:04:23,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:23,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:04:23,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:23,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:04:23,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:23,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:04:23,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:23,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:04:23,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:23,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:04:23,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:23,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:04:23,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:23,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:04:23,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:23,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:04:23,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:23,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:04:23,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:23,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:04:23,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:23,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:04:23,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:23,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:04:23,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:23,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:04:23,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:23,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:04:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:23,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:04:23,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:23,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:04:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:23,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:04:23,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:23,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:04:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:23,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:04:23,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:23,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:04:23,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:23,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:04:23,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:23,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:04:23,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:23,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:04:23,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:23,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:04:23,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:23,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-08 21:04:23,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:23,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:04:23,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:23,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-08 21:04:23,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:23,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 21:04:23,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:04:23,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592126205] [2024-11-08 21:04:23,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592126205] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:04:23,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:04:23,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-08 21:04:23,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147011049] [2024-11-08 21:04:23,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:04:23,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 21:04:23,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:04:23,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 21:04:23,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-08 21:04:23,256 INFO L87 Difference]: Start difference. First operand 101 states and 158 transitions. Second operand has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 21:04:24,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:04:24,176 INFO L93 Difference]: Finished difference Result 383 states and 590 transitions. [2024-11-08 21:04:24,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 21:04:24,177 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 197 [2024-11-08 21:04:24,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:04:24,179 INFO L225 Difference]: With dead ends: 383 [2024-11-08 21:04:24,179 INFO L226 Difference]: Without dead ends: 285 [2024-11-08 21:04:24,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=166, Invalid=484, Unknown=0, NotChecked=0, Total=650 [2024-11-08 21:04:24,181 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 424 mSDsluCounter, 854 mSDsCounter, 0 mSdLazyCounter, 437 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 1000 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 21:04:24,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 1000 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 437 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 21:04:24,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-08 21:04:24,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 199. [2024-11-08 21:04:24,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 134 states have (on average 1.3955223880597014) internal successors, (187), 134 states have internal predecessors, (187), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-08 21:04:24,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 311 transitions. [2024-11-08 21:04:24,215 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 311 transitions. Word has length 197 [2024-11-08 21:04:24,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:04:24,215 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 311 transitions. [2024-11-08 21:04:24,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 21:04:24,216 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 311 transitions. [2024-11-08 21:04:24,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-08 21:04:24,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:04:24,220 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:04:24,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 21:04:24,221 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:04:24,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:04:24,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1557035152, now seen corresponding path program 1 times [2024-11-08 21:04:24,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:04:24,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153900753] [2024-11-08 21:04:24,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:04:24,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:04:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:04:24,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:04:24,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:04:24,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:04:24,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:04:24,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:04:24,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:04:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:04:24,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:04:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:04:24,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:04:24,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:04:24,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:04:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:04:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:04:24,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:04:24,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:04:24,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:04:24,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:04:24,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:04:24,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:04:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:04:24,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:04:24,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:04:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:04:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:04:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:04:24,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:04:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-08 21:04:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:04:24,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-08 21:04:24,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 21:04:24,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:04:24,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153900753] [2024-11-08 21:04:24,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153900753] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:04:24,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:04:24,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 21:04:24,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272049126] [2024-11-08 21:04:24,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:04:24,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 21:04:24,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:04:24,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 21:04:24,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 21:04:24,333 INFO L87 Difference]: Start difference. First operand 199 states and 311 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 21:04:24,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:04:24,370 INFO L93 Difference]: Finished difference Result 394 states and 619 transitions. [2024-11-08 21:04:24,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 21:04:24,371 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 197 [2024-11-08 21:04:24,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:04:24,374 INFO L225 Difference]: With dead ends: 394 [2024-11-08 21:04:24,376 INFO L226 Difference]: Without dead ends: 296 [2024-11-08 21:04:24,377 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 21:04:24,379 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 148 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 21:04:24,380 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 314 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 21:04:24,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-11-08 21:04:24,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 294. [2024-11-08 21:04:24,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 197 states have (on average 1.3908629441624365) internal successors, (274), 197 states have internal predecessors, (274), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-08 21:04:24,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 460 transitions. [2024-11-08 21:04:24,411 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 460 transitions. Word has length 197 [2024-11-08 21:04:24,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:04:24,411 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 460 transitions. [2024-11-08 21:04:24,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 21:04:24,412 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 460 transitions. [2024-11-08 21:04:24,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-08 21:04:24,414 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:04:24,415 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:04:24,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 21:04:24,415 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:04:24,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:04:24,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1246982480, now seen corresponding path program 1 times [2024-11-08 21:04:24,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:04:24,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769251385] [2024-11-08 21:04:24,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:04:24,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:04:24,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:04:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:04:24,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:04:24,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:04:24,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:04:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:04:24,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:04:24,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:04:24,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:04:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:04:24,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:04:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:04:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:04:24,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:04:24,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:04:24,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:04:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:04:24,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:04:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:04:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:04:24,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:04:24,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:04:24,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:04:24,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:04:24,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:04:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:04:24,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:04:24,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:04:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-08 21:04:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:04:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-08 21:04:24,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:24,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 21:04:24,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:04:24,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769251385] [2024-11-08 21:04:24,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769251385] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:04:24,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:04:24,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 21:04:24,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427347178] [2024-11-08 21:04:24,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:04:24,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 21:04:24,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:04:24,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 21:04:24,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 21:04:24,597 INFO L87 Difference]: Start difference. First operand 294 states and 460 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 21:04:24,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:04:24,759 INFO L93 Difference]: Finished difference Result 510 states and 792 transitions. [2024-11-08 21:04:24,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 21:04:24,761 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 197 [2024-11-08 21:04:24,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:04:24,764 INFO L225 Difference]: With dead ends: 510 [2024-11-08 21:04:24,764 INFO L226 Difference]: Without dead ends: 314 [2024-11-08 21:04:24,765 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 64 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 21:04:24,766 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 149 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 21:04:24,766 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 535 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 21:04:24,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-11-08 21:04:24,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 292. [2024-11-08 21:04:24,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 195 states have (on average 1.3846153846153846) internal successors, (270), 195 states have internal predecessors, (270), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-08 21:04:24,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 456 transitions. [2024-11-08 21:04:24,784 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 456 transitions. Word has length 197 [2024-11-08 21:04:24,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:04:24,784 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 456 transitions. [2024-11-08 21:04:24,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 21:04:24,785 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 456 transitions. [2024-11-08 21:04:24,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-08 21:04:24,786 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:04:24,786 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:04:24,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 21:04:24,786 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:04:24,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:04:24,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1228112962, now seen corresponding path program 1 times [2024-11-08 21:04:24,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:04:24,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552986596] [2024-11-08 21:04:24,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:04:24,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:04:24,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:29,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:04:29,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:29,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:04:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:29,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:04:29,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:29,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:04:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:29,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:04:29,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:29,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:04:29,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:29,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:04:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:29,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:04:29,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:29,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:04:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:29,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:04:29,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:29,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:04:29,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:29,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:04:29,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:29,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:04:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:29,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:04:29,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:29,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:04:29,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:29,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:04:29,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:29,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:04:29,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:29,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:04:29,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:29,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:04:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:29,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:04:29,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:29,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:04:29,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:29,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:04:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:29,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:04:29,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:29,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:04:29,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:29,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:04:29,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:29,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:04:29,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:29,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:04:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:29,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:04:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:29,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-08 21:04:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:29,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:04:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:29,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-08 21:04:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:29,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 21:04:29,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:04:29,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552986596] [2024-11-08 21:04:29,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552986596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:04:29,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:04:29,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-08 21:04:29,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561860449] [2024-11-08 21:04:29,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:04:29,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 21:04:29,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:04:29,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 21:04:29,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-11-08 21:04:29,681 INFO L87 Difference]: Start difference. First operand 292 states and 456 transitions. Second operand has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 15 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 21:04:32,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:04:32,554 INFO L93 Difference]: Finished difference Result 342 states and 514 transitions. [2024-11-08 21:04:32,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 21:04:32,555 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 15 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 198 [2024-11-08 21:04:32,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:04:32,558 INFO L225 Difference]: With dead ends: 342 [2024-11-08 21:04:32,558 INFO L226 Difference]: Without dead ends: 340 [2024-11-08 21:04:32,559 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=185, Invalid=571, Unknown=0, NotChecked=0, Total=756 [2024-11-08 21:04:32,560 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 335 mSDsluCounter, 902 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 1046 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 21:04:32,563 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 1046 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 439 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 21:04:32,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-08 21:04:32,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 293. [2024-11-08 21:04:32,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 196 states have (on average 1.3826530612244898) internal successors, (271), 196 states have internal predecessors, (271), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-08 21:04:32,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 457 transitions. [2024-11-08 21:04:32,588 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 457 transitions. Word has length 198 [2024-11-08 21:04:32,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:04:32,588 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 457 transitions. [2024-11-08 21:04:32,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 15 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 21:04:32,589 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 457 transitions. [2024-11-08 21:04:32,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-08 21:04:32,590 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:04:32,590 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:04:32,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 21:04:32,590 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:04:32,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:04:32,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1440270376, now seen corresponding path program 1 times [2024-11-08 21:04:32,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:04:32,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156793589] [2024-11-08 21:04:32,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:04:32,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:04:32,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:32,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:04:32,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:32,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:04:32,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:32,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:04:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:32,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:04:32,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:32,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:04:32,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:32,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:04:32,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:32,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:04:32,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:32,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:04:32,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:32,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:04:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:32,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:04:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:32,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:04:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:32,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:04:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:32,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:04:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:32,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:04:32,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:32,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:04:32,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:32,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:04:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:32,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:04:32,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:32,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:04:32,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:32,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:04:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:32,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:04:32,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:32,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:04:32,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:32,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:04:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:32,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:04:32,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:32,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:04:32,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:32,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:04:32,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:32,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:04:32,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:32,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:04:32,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:32,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:04:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:32,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-08 21:04:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:32,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:04:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:32,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-08 21:04:32,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:32,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 21:04:32,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:04:32,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156793589] [2024-11-08 21:04:32,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156793589] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:04:32,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:04:32,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 21:04:32,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376009727] [2024-11-08 21:04:32,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:04:32,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 21:04:32,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:04:32,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 21:04:32,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 21:04:32,761 INFO L87 Difference]: Start difference. First operand 293 states and 457 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 21:04:32,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:04:32,782 INFO L93 Difference]: Finished difference Result 497 states and 776 transitions. [2024-11-08 21:04:32,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 21:04:32,783 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 198 [2024-11-08 21:04:32,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:04:32,786 INFO L225 Difference]: With dead ends: 497 [2024-11-08 21:04:32,787 INFO L226 Difference]: Without dead ends: 301 [2024-11-08 21:04:32,788 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 21:04:32,789 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 6 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 21:04:32,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 305 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 21:04:32,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-11-08 21:04:32,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 293. [2024-11-08 21:04:32,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 196 states have (on average 1.3673469387755102) internal successors, (268), 196 states have internal predecessors, (268), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-08 21:04:32,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 454 transitions. [2024-11-08 21:04:32,806 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 454 transitions. Word has length 198 [2024-11-08 21:04:32,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:04:32,807 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 454 transitions. [2024-11-08 21:04:32,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 21:04:32,807 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 454 transitions. [2024-11-08 21:04:32,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-08 21:04:32,809 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:04:32,809 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:04:32,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 21:04:32,810 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:04:32,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:04:32,810 INFO L85 PathProgramCache]: Analyzing trace with hash 334736986, now seen corresponding path program 1 times [2024-11-08 21:04:32,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:04:32,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867560187] [2024-11-08 21:04:32,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:04:32,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:04:32,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:36,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:04:36,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:36,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:04:36,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:36,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:04:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:36,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:04:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:36,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:04:36,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:36,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:04:36,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:36,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:04:36,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:36,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:04:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:36,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:04:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:36,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:04:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:36,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:04:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:36,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:04:36,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:36,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:04:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:36,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:04:36,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:36,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:04:36,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:36,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:04:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:36,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:04:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:36,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:04:36,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:36,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:04:36,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:36,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:04:36,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:36,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:04:36,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:36,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:04:36,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:36,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:04:36,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:36,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:04:36,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:36,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:04:36,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:36,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:04:36,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:36,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:04:36,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:36,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:04:36,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:36,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-08 21:04:36,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:36,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:04:36,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:37,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-08 21:04:37,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:37,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 21:04:37,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:04:37,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867560187] [2024-11-08 21:04:37,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867560187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:04:37,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:04:37,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-08 21:04:37,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467251819] [2024-11-08 21:04:37,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:04:37,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 21:04:37,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:04:37,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 21:04:37,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2024-11-08 21:04:37,008 INFO L87 Difference]: Start difference. First operand 293 states and 454 transitions. Second operand has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-08 21:04:40,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:04:40,019 INFO L93 Difference]: Finished difference Result 347 states and 514 transitions. [2024-11-08 21:04:40,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 21:04:40,019 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 198 [2024-11-08 21:04:40,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:04:40,024 INFO L225 Difference]: With dead ends: 347 [2024-11-08 21:04:40,024 INFO L226 Difference]: Without dead ends: 345 [2024-11-08 21:04:40,025 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=276, Invalid=846, Unknown=0, NotChecked=0, Total=1122 [2024-11-08 21:04:40,025 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 278 mSDsluCounter, 1336 mSDsCounter, 0 mSdLazyCounter, 1006 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 1471 SdHoareTripleChecker+Invalid, 1106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 1006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 21:04:40,025 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 1471 Invalid, 1106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1006 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 21:04:40,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-08 21:04:40,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 293. [2024-11-08 21:04:40,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 196 states have (on average 1.3673469387755102) internal successors, (268), 196 states have internal predecessors, (268), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-08 21:04:40,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 454 transitions. [2024-11-08 21:04:40,042 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 454 transitions. Word has length 198 [2024-11-08 21:04:40,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:04:40,043 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 454 transitions. [2024-11-08 21:04:40,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-08 21:04:40,043 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 454 transitions. [2024-11-08 21:04:40,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-08 21:04:40,045 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:04:40,046 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:04:40,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 21:04:40,046 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:04:40,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:04:40,046 INFO L85 PathProgramCache]: Analyzing trace with hash -109385737, now seen corresponding path program 1 times [2024-11-08 21:04:40,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:04:40,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322153238] [2024-11-08 21:04:40,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:04:40,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:04:40,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:45,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:04:45,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:45,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:04:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:45,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:04:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:45,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:04:45,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:45,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:04:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:45,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:04:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:45,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:04:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:45,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:04:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:45,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:04:45,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:45,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:04:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:45,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:04:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:45,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:04:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:45,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:04:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:45,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:04:45,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:45,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:04:45,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:45,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:04:45,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:45,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:04:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:45,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:04:45,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:45,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:04:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:45,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:04:45,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:45,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:04:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:45,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:04:45,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:45,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:04:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:45,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:04:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:45,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:04:45,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:45,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:04:45,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:45,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:04:45,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:45,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:04:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:45,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-08 21:04:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:45,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:04:45,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:45,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-08 21:04:45,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:45,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 21:04:45,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:04:45,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322153238] [2024-11-08 21:04:45,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322153238] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:04:45,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:04:45,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-08 21:04:45,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742959258] [2024-11-08 21:04:45,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:04:45,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 21:04:45,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:04:45,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 21:04:45,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-11-08 21:04:45,455 INFO L87 Difference]: Start difference. First operand 293 states and 454 transitions. Second operand has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 15 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 21:04:49,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:04:49,847 INFO L93 Difference]: Finished difference Result 363 states and 533 transitions. [2024-11-08 21:04:49,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 21:04:49,848 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 15 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 198 [2024-11-08 21:04:49,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:04:49,850 INFO L225 Difference]: With dead ends: 363 [2024-11-08 21:04:49,850 INFO L226 Difference]: Without dead ends: 361 [2024-11-08 21:04:49,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=262, Invalid=668, Unknown=0, NotChecked=0, Total=930 [2024-11-08 21:04:49,851 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 383 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 21:04:49,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 844 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 21:04:49,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-11-08 21:04:49,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 303. [2024-11-08 21:04:49,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 206 states have (on average 1.3640776699029127) internal successors, (281), 206 states have internal predecessors, (281), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-08 21:04:49,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 467 transitions. [2024-11-08 21:04:49,865 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 467 transitions. Word has length 198 [2024-11-08 21:04:49,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:04:49,866 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 467 transitions. [2024-11-08 21:04:49,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 15 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 21:04:49,866 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 467 transitions. [2024-11-08 21:04:49,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-08 21:04:49,867 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:04:49,867 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:04:49,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 21:04:49,868 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:04:49,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:04:49,868 INFO L85 PathProgramCache]: Analyzing trace with hash 570672633, now seen corresponding path program 1 times [2024-11-08 21:04:49,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:04:49,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941256582] [2024-11-08 21:04:49,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:04:49,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:04:49,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:54,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:04:54,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:54,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:04:54,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:54,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:04:54,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:54,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:04:54,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:54,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:04:54,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:54,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:04:54,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:54,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:04:54,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:54,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:04:54,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:54,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:04:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:54,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:04:54,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:54,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:04:54,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:54,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:04:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:54,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:04:54,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:54,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:04:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:54,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:04:54,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:54,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:04:54,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:54,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:04:54,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:54,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:04:54,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:54,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:04:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:54,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:04:54,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:54,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:04:54,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:54,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:04:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:54,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:04:54,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:54,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:04:54,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:54,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:04:54,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:54,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:04:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:54,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:04:54,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:54,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:04:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:54,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-08 21:04:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:54,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:04:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:54,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-08 21:04:54,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:04:54,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 21:04:54,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:04:54,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941256582] [2024-11-08 21:04:54,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941256582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:04:54,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:04:54,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-08 21:04:54,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756783278] [2024-11-08 21:04:54,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:04:54,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 21:04:54,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:04:54,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 21:04:54,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2024-11-08 21:04:54,642 INFO L87 Difference]: Start difference. First operand 303 states and 467 transitions. Second operand has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 21:04:59,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:04:59,841 INFO L93 Difference]: Finished difference Result 357 states and 527 transitions. [2024-11-08 21:04:59,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 21:04:59,841 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 198 [2024-11-08 21:04:59,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:04:59,843 INFO L225 Difference]: With dead ends: 357 [2024-11-08 21:04:59,843 INFO L226 Difference]: Without dead ends: 355 [2024-11-08 21:04:59,844 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=281, Invalid=711, Unknown=0, NotChecked=0, Total=992 [2024-11-08 21:04:59,844 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 354 mSDsluCounter, 929 mSDsCounter, 0 mSdLazyCounter, 627 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 1072 SdHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-08 21:04:59,844 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 1072 Invalid, 755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 627 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-08 21:04:59,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-08 21:04:59,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 303. [2024-11-08 21:04:59,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 206 states have (on average 1.3640776699029127) internal successors, (281), 206 states have internal predecessors, (281), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-08 21:04:59,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 467 transitions. [2024-11-08 21:04:59,860 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 467 transitions. Word has length 198 [2024-11-08 21:04:59,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:04:59,862 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 467 transitions. [2024-11-08 21:04:59,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.875) internal successors, (46), 16 states have internal predecessors, (46), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 21:04:59,862 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 467 transitions. [2024-11-08 21:04:59,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-08 21:04:59,863 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:04:59,863 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:04:59,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 21:04:59,864 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:04:59,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:04:59,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1840413906, now seen corresponding path program 1 times [2024-11-08 21:04:59,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:04:59,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729486536] [2024-11-08 21:04:59,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:04:59,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:04:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:04,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:05:04,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:04,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:05:04,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:04,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:05:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:04,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:05:04,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:04,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:05:04,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:04,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:05:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:04,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:05:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:04,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:05:04,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:04,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:05:04,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:04,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:05:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:04,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:05:04,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:04,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:05:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:04,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:05:04,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:04,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:05:04,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:04,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:05:04,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:04,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:05:04,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:04,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:05:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:04,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:05:04,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:04,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:05:04,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:04,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:05:04,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:04,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:05:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:04,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:05:04,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:04,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:05:04,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:04,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:05:04,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:04,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:05:04,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:04,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:05:04,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:04,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:05:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:04,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:05:04,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:04,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-08 21:05:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:04,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:05:04,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:04,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-08 21:05:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:04,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 21:05:04,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:05:04,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729486536] [2024-11-08 21:05:04,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729486536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:05:04,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:05:04,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-08 21:05:04,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824006701] [2024-11-08 21:05:04,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:05:04,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 21:05:04,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:05:04,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 21:05:04,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-08 21:05:04,292 INFO L87 Difference]: Start difference. First operand 303 states and 467 transitions. Second operand has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 21:05:06,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:05:06,448 INFO L93 Difference]: Finished difference Result 345 states and 513 transitions. [2024-11-08 21:05:06,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 21:05:06,449 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 199 [2024-11-08 21:05:06,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:05:06,451 INFO L225 Difference]: With dead ends: 345 [2024-11-08 21:05:06,451 INFO L226 Difference]: Without dead ends: 343 [2024-11-08 21:05:06,451 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=212, Invalid=658, Unknown=0, NotChecked=0, Total=870 [2024-11-08 21:05:06,452 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 399 mSDsluCounter, 772 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 21:05:06,452 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 917 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 21:05:06,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-08 21:05:06,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 300. [2024-11-08 21:05:06,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 203 states have (on average 1.3645320197044335) internal successors, (277), 203 states have internal predecessors, (277), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-08 21:05:06,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 463 transitions. [2024-11-08 21:05:06,467 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 463 transitions. Word has length 199 [2024-11-08 21:05:06,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:05:06,467 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 463 transitions. [2024-11-08 21:05:06,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 21:05:06,467 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 463 transitions. [2024-11-08 21:05:06,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-08 21:05:06,468 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:05:06,469 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:05:06,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 21:05:06,469 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:05:06,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:05:06,469 INFO L85 PathProgramCache]: Analyzing trace with hash 959358423, now seen corresponding path program 1 times [2024-11-08 21:05:06,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:05:06,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307003283] [2024-11-08 21:05:06,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:05:06,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:05:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:13,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:05:13,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:13,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:05:13,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:13,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:05:13,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:13,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:05:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:13,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:05:13,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:13,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:05:13,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:13,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:05:13,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:13,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:05:13,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:13,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:05:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:13,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:05:13,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:13,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:05:13,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:13,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:05:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:13,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:05:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:13,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:05:13,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:13,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:05:13,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:13,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:05:13,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:13,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:05:13,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:13,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:05:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:13,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:05:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:13,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:05:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:13,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:05:13,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:13,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:05:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:13,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:05:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:13,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:05:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:13,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:05:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:13,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:05:13,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:13,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:05:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:13,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:05:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:13,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-08 21:05:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:13,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:05:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:13,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-08 21:05:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:13,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 21:05:13,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:05:13,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307003283] [2024-11-08 21:05:13,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307003283] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:05:13,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:05:13,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-08 21:05:13,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431069294] [2024-11-08 21:05:13,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:05:13,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 21:05:13,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:05:13,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 21:05:13,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2024-11-08 21:05:13,579 INFO L87 Difference]: Start difference. First operand 300 states and 463 transitions. Second operand has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 21:05:20,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:05:20,305 INFO L93 Difference]: Finished difference Result 358 states and 528 transitions. [2024-11-08 21:05:20,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 21:05:20,306 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 199 [2024-11-08 21:05:20,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:05:20,308 INFO L225 Difference]: With dead ends: 358 [2024-11-08 21:05:20,308 INFO L226 Difference]: Without dead ends: 356 [2024-11-08 21:05:20,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=294, Invalid=762, Unknown=0, NotChecked=0, Total=1056 [2024-11-08 21:05:20,308 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 286 mSDsluCounter, 964 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 1108 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-08 21:05:20,309 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 1108 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-08 21:05:20,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-11-08 21:05:20,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 305. [2024-11-08 21:05:20,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 208 states have (on average 1.3653846153846154) internal successors, (284), 208 states have internal predecessors, (284), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-08 21:05:20,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 470 transitions. [2024-11-08 21:05:20,325 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 470 transitions. Word has length 199 [2024-11-08 21:05:20,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:05:20,325 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 470 transitions. [2024-11-08 21:05:20,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 21:05:20,325 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 470 transitions. [2024-11-08 21:05:20,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-08 21:05:20,326 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:05:20,326 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:05:20,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 21:05:20,326 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:05:20,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:05:20,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1774605967, now seen corresponding path program 1 times [2024-11-08 21:05:20,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:05:20,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307981737] [2024-11-08 21:05:20,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:05:20,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:05:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:23,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:05:23,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:23,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:05:23,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:23,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:05:23,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:23,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:05:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:23,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:05:23,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:23,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:05:23,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:23,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:05:23,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:23,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:05:23,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:23,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:05:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:23,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:05:23,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:23,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:05:23,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:23,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:05:23,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:23,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:05:23,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:23,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:05:23,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:23,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:05:23,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:23,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:05:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:23,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:05:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:23,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:05:23,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:23,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:05:23,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:23,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:05:23,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:23,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:05:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:23,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:05:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:23,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:05:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:23,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:05:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:23,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:05:23,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:23,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:05:23,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:23,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:05:23,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:23,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:05:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:23,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-08 21:05:23,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:23,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:05:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:23,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-08 21:05:23,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:23,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 21:05:23,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:05:23,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307981737] [2024-11-08 21:05:23,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307981737] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:05:23,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:05:23,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-08 21:05:23,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122894188] [2024-11-08 21:05:23,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:05:23,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 21:05:23,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:05:23,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 21:05:23,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2024-11-08 21:05:23,350 INFO L87 Difference]: Start difference. First operand 305 states and 470 transitions. Second operand has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 21:05:25,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:05:25,598 INFO L93 Difference]: Finished difference Result 358 states and 528 transitions. [2024-11-08 21:05:25,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 21:05:25,599 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 199 [2024-11-08 21:05:25,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:05:25,601 INFO L225 Difference]: With dead ends: 358 [2024-11-08 21:05:25,601 INFO L226 Difference]: Without dead ends: 356 [2024-11-08 21:05:25,601 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=298, Invalid=758, Unknown=0, NotChecked=0, Total=1056 [2024-11-08 21:05:25,603 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 361 mSDsluCounter, 829 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 975 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 21:05:25,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 975 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 21:05:25,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-11-08 21:05:25,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 306. [2024-11-08 21:05:25,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 209 states have (on average 1.3636363636363635) internal successors, (285), 209 states have internal predecessors, (285), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-08 21:05:25,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 471 transitions. [2024-11-08 21:05:25,618 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 471 transitions. Word has length 199 [2024-11-08 21:05:25,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:05:25,619 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 471 transitions. [2024-11-08 21:05:25,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 21:05:25,619 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 471 transitions. [2024-11-08 21:05:25,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-08 21:05:25,620 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:05:25,620 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:05:25,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 21:05:25,620 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:05:25,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:05:25,620 INFO L85 PathProgramCache]: Analyzing trace with hash 566331413, now seen corresponding path program 1 times [2024-11-08 21:05:25,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:05:25,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962791758] [2024-11-08 21:05:25,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:05:25,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:05:25,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:32,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:05:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:32,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:05:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:32,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:05:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:32,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:05:32,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:32,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:05:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:32,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:05:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:32,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:05:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:32,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:05:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:32,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:05:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:32,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:05:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:32,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:05:32,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:32,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:05:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:32,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:05:32,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:32,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:05:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:32,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:05:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:32,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:05:32,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:32,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:05:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:32,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:05:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:32,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:05:32,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:32,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:05:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:32,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:05:32,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:32,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:05:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:32,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:05:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:32,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:05:32,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:32,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:05:32,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:32,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:05:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:32,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:05:32,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:32,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:05:32,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:32,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-08 21:05:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:32,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:05:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:32,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-08 21:05:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:32,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 21:05:32,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:05:32,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962791758] [2024-11-08 21:05:32,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962791758] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:05:32,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:05:32,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-08 21:05:32,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654140527] [2024-11-08 21:05:32,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:05:32,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-08 21:05:32,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:05:32,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-08 21:05:32,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2024-11-08 21:05:32,897 INFO L87 Difference]: Start difference. First operand 306 states and 471 transitions. Second operand has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 17 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 21:05:38,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:05:38,769 INFO L93 Difference]: Finished difference Result 354 states and 524 transitions. [2024-11-08 21:05:38,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 21:05:38,770 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 17 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 199 [2024-11-08 21:05:38,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:05:38,772 INFO L225 Difference]: With dead ends: 354 [2024-11-08 21:05:38,772 INFO L226 Difference]: Without dead ends: 352 [2024-11-08 21:05:38,772 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=315, Invalid=807, Unknown=0, NotChecked=0, Total=1122 [2024-11-08 21:05:38,773 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 272 mSDsluCounter, 962 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 1106 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-08 21:05:38,773 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 1106 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-08 21:05:38,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-08 21:05:38,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 306. [2024-11-08 21:05:38,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 209 states have (on average 1.3636363636363635) internal successors, (285), 209 states have internal predecessors, (285), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-08 21:05:38,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 471 transitions. [2024-11-08 21:05:38,789 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 471 transitions. Word has length 199 [2024-11-08 21:05:38,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:05:38,789 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 471 transitions. [2024-11-08 21:05:38,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 17 states have internal predecessors, (47), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-08 21:05:38,789 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 471 transitions. [2024-11-08 21:05:38,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-08 21:05:38,790 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:05:38,790 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:05:38,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 21:05:38,790 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:05:38,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:05:38,791 INFO L85 PathProgramCache]: Analyzing trace with hash 2127334319, now seen corresponding path program 1 times [2024-11-08 21:05:38,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:05:38,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547048116] [2024-11-08 21:05:38,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:05:38,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:05:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:43,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:05:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:43,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:05:43,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:43,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:05:43,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:43,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:05:43,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:43,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:05:43,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:43,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:05:43,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:43,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:05:43,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:43,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:05:43,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:43,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:05:43,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:43,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:05:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:43,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:05:43,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:43,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:05:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:43,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:05:43,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:43,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:05:43,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:43,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:05:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:43,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:05:43,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:43,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:05:43,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:43,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:05:43,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:43,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:05:43,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:43,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:05:43,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:43,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:05:43,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:43,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:05:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:43,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:05:43,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:43,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:05:43,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:43,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:05:43,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:43,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:05:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:43,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:05:43,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:43,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-08 21:05:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:43,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-08 21:05:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:43,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-08 21:05:43,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:43,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-08 21:05:43,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:05:43,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-08 21:05:43,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:05:43,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547048116] [2024-11-08 21:05:43,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547048116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:05:43,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:05:43,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-08 21:05:43,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616925837] [2024-11-08 21:05:43,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:05:43,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-08 21:05:43,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:05:43,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-08 21:05:43,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2024-11-08 21:05:43,686 INFO L87 Difference]: Start difference. First operand 306 states and 471 transitions. Second operand has 18 states, 18 states have (on average 2.611111111111111) internal successors, (47), 18 states have internal predecessors, (47), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31)