./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-34.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-34.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 2b329d9832ec99d9ffbb7796b225f0eac74b08ac18938b07d93f1b80cf8ae2f9 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 03:00:31,894 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 03:00:31,974 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 03:00:31,983 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 03:00:31,984 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 03:00:32,010 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 03:00:32,011 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 03:00:32,011 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 03:00:32,012 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 03:00:32,012 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 03:00:32,013 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 03:00:32,013 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 03:00:32,014 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 03:00:32,018 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 03:00:32,018 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 03:00:32,018 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 03:00:32,019 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 03:00:32,019 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 03:00:32,019 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 03:00:32,019 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 03:00:32,020 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 03:00:32,022 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 03:00:32,023 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 03:00:32,023 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 03:00:32,023 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 03:00:32,024 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 03:00:32,024 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 03:00:32,024 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 03:00:32,025 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 03:00:32,025 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 03:00:32,025 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 03:00:32,025 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 03:00:32,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 03:00:32,026 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 03:00:32,026 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 03:00:32,027 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 03:00:32,027 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 03:00:32,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 03:00:32,028 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 03:00:32,028 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 03:00:32,028 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 03:00:32,029 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 03:00:32,030 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b329d9832ec99d9ffbb7796b225f0eac74b08ac18938b07d93f1b80cf8ae2f9 [2024-11-20 03:00:32,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 03:00:32,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 03:00:32,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 03:00:32,361 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 03:00:32,362 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 03:00:32,363 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-34.i [2024-11-20 03:00:33,851 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 03:00:34,087 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 03:00:34,088 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-100_file-34.i [2024-11-20 03:00:34,103 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a47f1cc68/d001d6be113b4430a9359fe150cb117c/FLAG70c5fe512 [2024-11-20 03:00:34,119 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a47f1cc68/d001d6be113b4430a9359fe150cb117c [2024-11-20 03:00:34,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 03:00:34,124 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 03:00:34,125 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 03:00:34,126 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 03:00:34,130 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 03:00:34,131 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:00:34" (1/1) ... [2024-11-20 03:00:34,132 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38878f0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:00:34, skipping insertion in model container [2024-11-20 03:00:34,132 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:00:34" (1/1) ... [2024-11-20 03:00:34,180 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 03:00:34,427 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-100_file-34.i[916,929] [2024-11-20 03:00:34,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 03:00:34,567 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 03:00:34,581 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-100_file-34.i[916,929] [2024-11-20 03:00:34,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 03:00:34,663 INFO L204 MainTranslator]: Completed translation [2024-11-20 03:00:34,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:00:34 WrapperNode [2024-11-20 03:00:34,664 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 03:00:34,665 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 03:00:34,665 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 03:00:34,666 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 03:00:34,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:00:34" (1/1) ... [2024-11-20 03:00:34,691 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:00:34" (1/1) ... [2024-11-20 03:00:34,748 INFO L138 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 318 [2024-11-20 03:00:34,749 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 03:00:34,750 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 03:00:34,750 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 03:00:34,750 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 03:00:34,771 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:00:34" (1/1) ... [2024-11-20 03:00:34,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:00:34" (1/1) ... [2024-11-20 03:00:34,781 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:00:34" (1/1) ... [2024-11-20 03:00:34,813 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]. [2024-11-20 03:00:34,814 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:00:34" (1/1) ... [2024-11-20 03:00:34,814 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:00:34" (1/1) ... [2024-11-20 03:00:34,833 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:00:34" (1/1) ... [2024-11-20 03:00:34,841 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:00:34" (1/1) ... [2024-11-20 03:00:34,849 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:00:34" (1/1) ... [2024-11-20 03:00:34,861 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:00:34" (1/1) ... [2024-11-20 03:00:34,871 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 03:00:34,874 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 03:00:34,875 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 03:00:34,875 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 03:00:34,876 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:00:34" (1/1) ... [2024-11-20 03:00:34,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 03:00:34,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 03:00:34,914 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) [2024-11-20 03:00:34,918 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 [2024-11-20 03:00:34,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 03:00:34,970 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 03:00:34,971 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 03:00:34,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 03:00:34,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 03:00:34,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 03:00:35,081 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 03:00:35,084 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 03:00:35,802 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-20 03:00:35,803 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 03:00:35,827 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 03:00:35,828 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 03:00:35,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:00:35 BoogieIcfgContainer [2024-11-20 03:00:35,829 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 03:00:35,831 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 03:00:35,831 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 03:00:35,835 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 03:00:35,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 03:00:34" (1/3) ... [2024-11-20 03:00:35,837 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71d788ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:00:35, skipping insertion in model container [2024-11-20 03:00:35,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:00:34" (2/3) ... [2024-11-20 03:00:35,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71d788ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 03:00:35, skipping insertion in model container [2024-11-20 03:00:35,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:00:35" (3/3) ... [2024-11-20 03:00:35,840 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-100_file-34.i [2024-11-20 03:00:35,858 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 03:00:35,858 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 03:00:35,933 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 03:00:35,940 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;@19a4697e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 03:00:35,940 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 03:00:35,948 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 90 states have (on average 1.4777777777777779) internal successors, (133), 91 states have internal predecessors, (133), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-20 03:00:35,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-20 03:00:35,974 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:00:35,975 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:00:35,975 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:00:35,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:00:35,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1857806639, now seen corresponding path program 1 times [2024-11-20 03:00:35,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:00:35,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294971981] [2024-11-20 03:00:35,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:00:35,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:00:36,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:00:36,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:00:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 03:00:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:00:36,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 03:00:36,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:00:36,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 03:00:36,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:00:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 03:00:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:00:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 03:00:36,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:00:36,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 03:00:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:00:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:00:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 03:00:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 03:00:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 03:00:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 03:00:36,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 03:00:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 03:00:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 03:00:36,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 03:00:36,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 03:00:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 03:00:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 03:00:36,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:00:36,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 03:00:36,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:00:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 03:00:36,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:00:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 03:00:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:00:36,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-20 03:00:36,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 03:00:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 03:00:36,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 03:00:36,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 03:00:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-20 03:00:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-20 03:00:36,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-20 03:00:36,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-20 03:00:36,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-20 03:00:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-20 03:00:36,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:36,882 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-20 03:00:36,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:00:36,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294971981] [2024-11-20 03:00:36,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294971981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:00:36,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:00:36,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 03:00:36,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217557122] [2024-11-20 03:00:36,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:00:36,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 03:00:36,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:00:36,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 03:00:36,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 03:00:36,939 INFO L87 Difference]: Start difference. First operand has 137 states, 90 states have (on average 1.4777777777777779) internal successors, (133), 91 states have internal predecessors, (133), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) [2024-11-20 03:00:37,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:00:37,003 INFO L93 Difference]: Finished difference Result 267 states and 480 transitions. [2024-11-20 03:00:37,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 03:00:37,006 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) Word has length 276 [2024-11-20 03:00:37,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:00:37,017 INFO L225 Difference]: With dead ends: 267 [2024-11-20 03:00:37,019 INFO L226 Difference]: Without dead ends: 133 [2024-11-20 03:00:37,028 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 03:00:37,034 INFO L432 NwaCegarLoop]: 214 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, 214 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 [2024-11-20 03:00:37,039 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 03:00:37,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-20 03:00:37,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2024-11-20 03:00:37,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 87 states have (on average 1.4482758620689655) internal successors, (126), 87 states have internal predecessors, (126), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-20 03:00:37,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 214 transitions. [2024-11-20 03:00:37,123 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 214 transitions. Word has length 276 [2024-11-20 03:00:37,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:00:37,125 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 214 transitions. [2024-11-20 03:00:37,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) [2024-11-20 03:00:37,126 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 214 transitions. [2024-11-20 03:00:37,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-20 03:00:37,137 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:00:37,137 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:00:37,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 03:00:37,138 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:00:37,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:00:37,139 INFO L85 PathProgramCache]: Analyzing trace with hash 131489191, now seen corresponding path program 1 times [2024-11-20 03:00:37,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:00:37,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130953471] [2024-11-20 03:00:37,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:00:37,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:00:37,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:00:37,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:00:37,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 03:00:37,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:00:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 03:00:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:00:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 03:00:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:00:37,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 03:00:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:00:37,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 03:00:37,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:00:37,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 03:00:37,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:00:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:00:37,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 03:00:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 03:00:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 03:00:37,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 03:00:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 03:00:37,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 03:00:37,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 03:00:37,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 03:00:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 03:00:37,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 03:00:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 03:00:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:00:37,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 03:00:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:00:37,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 03:00:37,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:00:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 03:00:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:00:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-20 03:00:37,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 03:00:37,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:37,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 03:00:38,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 03:00:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 03:00:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-20 03:00:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-20 03:00:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-20 03:00:38,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-20 03:00:38,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-20 03:00:38,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-20 03:00:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,056 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-20 03:00:38,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:00:38,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130953471] [2024-11-20 03:00:38,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130953471] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:00:38,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:00:38,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 03:00:38,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024777680] [2024-11-20 03:00:38,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:00:38,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 03:00:38,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:00:38,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 03:00:38,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 03:00:38,060 INFO L87 Difference]: Start difference. First operand 133 states and 214 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-20 03:00:38,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:00:38,348 INFO L93 Difference]: Finished difference Result 423 states and 681 transitions. [2024-11-20 03:00:38,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 03:00:38,349 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 276 [2024-11-20 03:00:38,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:00:38,356 INFO L225 Difference]: With dead ends: 423 [2024-11-20 03:00:38,359 INFO L226 Difference]: Without dead ends: 293 [2024-11-20 03:00:38,360 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 03:00:38,361 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 204 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 03:00:38,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 660 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 03:00:38,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-20 03:00:38,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 263. [2024-11-20 03:00:38,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 172 states have (on average 1.447674418604651) internal successors, (249), 172 states have internal predecessors, (249), 88 states have call successors, (88), 2 states have call predecessors, (88), 2 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-20 03:00:38,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 425 transitions. [2024-11-20 03:00:38,427 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 425 transitions. Word has length 276 [2024-11-20 03:00:38,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:00:38,431 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 425 transitions. [2024-11-20 03:00:38,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-20 03:00:38,431 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 425 transitions. [2024-11-20 03:00:38,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-11-20 03:00:38,439 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:00:38,440 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:00:38,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 03:00:38,441 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:00:38,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:00:38,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1079059205, now seen corresponding path program 1 times [2024-11-20 03:00:38,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:00:38,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480407397] [2024-11-20 03:00:38,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:00:38,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:00:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:00:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:00:38,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 03:00:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:00:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 03:00:38,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:00:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 03:00:38,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:00:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 03:00:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:00:38,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 03:00:38,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:00:38,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 03:00:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:00:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:00:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 03:00:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 03:00:38,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 03:00:38,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 03:00:38,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 03:00:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 03:00:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 03:00:38,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 03:00:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 03:00:38,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 03:00:38,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 03:00:38,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:00:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 03:00:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:00:38,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 03:00:38,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:00:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 03:00:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:00:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-20 03:00:38,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 03:00:38,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 03:00:38,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:38,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 03:00:39,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:39,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 03:00:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:39,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-20 03:00:39,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:39,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-20 03:00:39,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:39,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-20 03:00:39,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:39,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-20 03:00:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:39,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-20 03:00:39,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:39,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-20 03:00:39,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:39,041 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-20 03:00:39,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:00:39,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480407397] [2024-11-20 03:00:39,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480407397] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:00:39,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:00:39,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 03:00:39,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250975830] [2024-11-20 03:00:39,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:00:39,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 03:00:39,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:00:39,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 03:00:39,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 03:00:39,049 INFO L87 Difference]: Start difference. First operand 263 states and 425 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-20 03:00:39,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:00:39,549 INFO L93 Difference]: Finished difference Result 778 states and 1258 transitions. [2024-11-20 03:00:39,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 03:00:39,550 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 277 [2024-11-20 03:00:39,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:00:39,558 INFO L225 Difference]: With dead ends: 778 [2024-11-20 03:00:39,560 INFO L226 Difference]: Without dead ends: 518 [2024-11-20 03:00:39,562 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-20 03:00:39,563 INFO L432 NwaCegarLoop]: 375 mSDtfsCounter, 241 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 796 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 03:00:39,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 796 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 03:00:39,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2024-11-20 03:00:39,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 267. [2024-11-20 03:00:39,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 176 states have (on average 1.4375) internal successors, (253), 176 states have internal predecessors, (253), 88 states have call successors, (88), 2 states have call predecessors, (88), 2 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-20 03:00:39,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 429 transitions. [2024-11-20 03:00:39,662 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 429 transitions. Word has length 277 [2024-11-20 03:00:39,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:00:39,664 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 429 transitions. [2024-11-20 03:00:39,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-20 03:00:39,665 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 429 transitions. [2024-11-20 03:00:39,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-20 03:00:39,668 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:00:39,668 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:00:39,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 03:00:39,669 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:00:39,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:00:39,669 INFO L85 PathProgramCache]: Analyzing trace with hash 998591439, now seen corresponding path program 1 times [2024-11-20 03:00:39,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:00:39,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348254599] [2024-11-20 03:00:39,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:00:39,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:00:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:00:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:00:40,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 03:00:40,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:00:40,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 03:00:40,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:00:40,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 03:00:40,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:00:40,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 03:00:40,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:00:40,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 03:00:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:00:40,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 03:00:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:00:40,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:00:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 03:00:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 03:00:40,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 03:00:40,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 03:00:40,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 03:00:40,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 03:00:40,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 03:00:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 03:00:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 03:00:40,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 03:00:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 03:00:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:00:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 03:00:40,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:00:40,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 03:00:40,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:00:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 03:00:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:00:40,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-20 03:00:40,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 03:00:40,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 03:00:40,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 03:00:40,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 03:00:40,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-20 03:00:40,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-20 03:00:40,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-20 03:00:40,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-20 03:00:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-20 03:00:40,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-20 03:00:40,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:40,930 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-20 03:00:40,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:00:40,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348254599] [2024-11-20 03:00:40,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348254599] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:00:40,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:00:40,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 03:00:40,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339386942] [2024-11-20 03:00:40,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:00:40,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 03:00:40,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:00:40,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 03:00:40,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 03:00:40,933 INFO L87 Difference]: Start difference. First operand 267 states and 429 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-20 03:00:41,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:00:41,511 INFO L93 Difference]: Finished difference Result 916 states and 1461 transitions. [2024-11-20 03:00:41,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 03:00:41,512 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 278 [2024-11-20 03:00:41,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:00:41,520 INFO L225 Difference]: With dead ends: 916 [2024-11-20 03:00:41,521 INFO L226 Difference]: Without dead ends: 652 [2024-11-20 03:00:41,524 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 03:00:41,525 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 377 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 03:00:41,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 553 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 03:00:41,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2024-11-20 03:00:41,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 447. [2024-11-20 03:00:41,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 322 states have (on average 1.484472049689441) internal successors, (478), 324 states have internal predecessors, (478), 120 states have call successors, (120), 4 states have call predecessors, (120), 4 states have return successors, (120), 118 states have call predecessors, (120), 120 states have call successors, (120) [2024-11-20 03:00:41,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 718 transitions. [2024-11-20 03:00:41,616 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 718 transitions. Word has length 278 [2024-11-20 03:00:41,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:00:41,619 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 718 transitions. [2024-11-20 03:00:41,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-20 03:00:41,621 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 718 transitions. [2024-11-20 03:00:41,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-20 03:00:41,625 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:00:41,625 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:00:41,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 03:00:41,626 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:00:41,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:00:41,626 INFO L85 PathProgramCache]: Analyzing trace with hash -924636595, now seen corresponding path program 1 times [2024-11-20 03:00:41,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:00:41,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579911630] [2024-11-20 03:00:41,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:00:41,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:00:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:00:46,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:00:46,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 03:00:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:00:46,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 03:00:46,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:00:46,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 03:00:46,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:00:46,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 03:00:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:00:46,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 03:00:46,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:00:46,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 03:00:46,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:00:46,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:00:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 03:00:46,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 03:00:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 03:00:46,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 03:00:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 03:00:46,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 03:00:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 03:00:46,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 03:00:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 03:00:46,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 03:00:46,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 03:00:46,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:00:46,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 03:00:46,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:00:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 03:00:46,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:00:46,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 03:00:46,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:00:46,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-20 03:00:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 03:00:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 03:00:46,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 03:00:46,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 03:00:46,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-20 03:00:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-20 03:00:46,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-20 03:00:46,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-20 03:00:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:46,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-20 03:00:46,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:47,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-20 03:00:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:47,008 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-20 03:00:47,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:00:47,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579911630] [2024-11-20 03:00:47,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579911630] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:00:47,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:00:47,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-20 03:00:47,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063182335] [2024-11-20 03:00:47,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:00:47,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 03:00:47,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:00:47,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 03:00:47,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-20 03:00:47,014 INFO L87 Difference]: Start difference. First operand 447 states and 718 transitions. Second operand has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-20 03:00:51,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:00:51,959 INFO L93 Difference]: Finished difference Result 1282 states and 1984 transitions. [2024-11-20 03:00:51,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-20 03:00:51,960 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 278 [2024-11-20 03:00:51,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:00:51,970 INFO L225 Difference]: With dead ends: 1282 [2024-11-20 03:00:51,970 INFO L226 Difference]: Without dead ends: 838 [2024-11-20 03:00:51,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2024-11-20 03:00:51,974 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 644 mSDsluCounter, 787 mSDsCounter, 0 mSdLazyCounter, 935 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 644 SdHoareTripleChecker+Valid, 995 SdHoareTripleChecker+Invalid, 943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 935 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-20 03:00:51,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [644 Valid, 995 Invalid, 943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 935 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-20 03:00:51,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2024-11-20 03:00:52,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 583. [2024-11-20 03:00:52,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 434 states have (on average 1.4516129032258065) internal successors, (630), 440 states have internal predecessors, (630), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 134 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-20 03:00:52,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 910 transitions. [2024-11-20 03:00:52,072 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 910 transitions. Word has length 278 [2024-11-20 03:00:52,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:00:52,073 INFO L471 AbstractCegarLoop]: Abstraction has 583 states and 910 transitions. [2024-11-20 03:00:52,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-20 03:00:52,074 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 910 transitions. [2024-11-20 03:00:52,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-20 03:00:52,079 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:00:52,080 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:00:52,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 03:00:52,080 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:00:52,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:00:52,081 INFO L85 PathProgramCache]: Analyzing trace with hash 850370767, now seen corresponding path program 1 times [2024-11-20 03:00:52,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:00:52,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077307228] [2024-11-20 03:00:52,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:00:52,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:00:52,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:54,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:00:54,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:54,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:00:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:54,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 03:00:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:54,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:00:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:54,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 03:00:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:54,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:00:54,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:54,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 03:00:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:55,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:00:55,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:55,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 03:00:55,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:55,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:00:55,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:55,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 03:00:55,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:55,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:00:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:55,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 03:00:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:55,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:00:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:55,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:00:55,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:55,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 03:00:55,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:55,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 03:00:55,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:55,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 03:00:55,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:55,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 03:00:55,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:55,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 03:00:55,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:55,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 03:00:55,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:55,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 03:00:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:55,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 03:00:55,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:55,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 03:00:55,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:55,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 03:00:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:55,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 03:00:55,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:55,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:00:55,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:55,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 03:00:55,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:55,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:00:55,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:55,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 03:00:55,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:55,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:00:55,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:55,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 03:00:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:55,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:00:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:55,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-20 03:00:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:55,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 03:00:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:55,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 03:00:55,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:55,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 03:00:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:55,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 03:00:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:55,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-20 03:00:55,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:55,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-20 03:00:55,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:55,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-20 03:00:55,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:55,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-20 03:00:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:55,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-20 03:00:55,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:55,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-20 03:00:55,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:00:55,346 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-20 03:00:55,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:00:55,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077307228] [2024-11-20 03:00:55,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077307228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:00:55,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:00:55,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 03:00:55,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917393880] [2024-11-20 03:00:55,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:00:55,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 03:00:55,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:00:55,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 03:00:55,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-20 03:00:55,349 INFO L87 Difference]: Start difference. First operand 583 states and 910 transitions. Second operand has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-20 03:00:57,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:00:57,210 INFO L93 Difference]: Finished difference Result 1942 states and 2980 transitions. [2024-11-20 03:00:57,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 03:00:57,211 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 278 [2024-11-20 03:00:57,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:00:57,220 INFO L225 Difference]: With dead ends: 1942 [2024-11-20 03:00:57,221 INFO L226 Difference]: Without dead ends: 1362 [2024-11-20 03:00:57,223 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-11-20 03:00:57,226 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 470 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 886 SdHoareTripleChecker+Invalid, 752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-20 03:00:57,227 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [470 Valid, 886 Invalid, 752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 611 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-20 03:00:57,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1362 states. [2024-11-20 03:00:57,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1362 to 800. [2024-11-20 03:00:57,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 800 states, 605 states have (on average 1.4611570247933885) internal successors, (884), 611 states have internal predecessors, (884), 184 states have call successors, (184), 10 states have call predecessors, (184), 10 states have return successors, (184), 178 states have call predecessors, (184), 184 states have call successors, (184) [2024-11-20 03:00:57,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 1252 transitions. [2024-11-20 03:00:57,372 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 1252 transitions. Word has length 278 [2024-11-20 03:00:57,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:00:57,373 INFO L471 AbstractCegarLoop]: Abstraction has 800 states and 1252 transitions. [2024-11-20 03:00:57,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-20 03:00:57,374 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1252 transitions. [2024-11-20 03:00:57,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-20 03:00:57,378 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:00:57,378 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:00:57,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 03:00:57,378 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:00:57,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:00:57,379 INFO L85 PathProgramCache]: Analyzing trace with hash -244578225, now seen corresponding path program 1 times [2024-11-20 03:00:57,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:00:57,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852161504] [2024-11-20 03:00:57,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:00:57,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:00:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:01:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:01:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 03:01:00,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:01:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 03:01:00,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:01:00,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 03:01:00,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:01:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 03:01:00,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:01:00,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 03:01:00,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:01:00,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 03:01:00,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:01:00,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:01:00,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 03:01:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 03:01:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 03:01:00,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 03:01:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 03:01:00,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 03:01:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 03:01:00,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 03:01:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 03:01:00,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 03:01:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 03:01:00,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:01:00,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 03:01:00,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:01:00,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 03:01:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:01:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 03:01:00,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:01:00,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-20 03:01:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 03:01:00,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 03:01:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 03:01:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 03:01:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-20 03:01:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-20 03:01:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-20 03:01:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-20 03:01:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-20 03:01:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-20 03:01:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:00,861 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-20 03:01:00,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:01:00,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852161504] [2024-11-20 03:01:00,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852161504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:01:00,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:01:00,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-20 03:01:00,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893211916] [2024-11-20 03:01:00,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:01:00,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 03:01:00,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:01:00,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 03:01:00,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-20 03:01:00,863 INFO L87 Difference]: Start difference. First operand 800 states and 1252 transitions. Second operand has 10 states, 10 states have (on average 6.1) internal successors, (61), 10 states have internal predecessors, (61), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-11-20 03:01:03,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:01:03,147 INFO L93 Difference]: Finished difference Result 2100 states and 3195 transitions. [2024-11-20 03:01:03,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 03:01:03,148 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.1) internal successors, (61), 10 states have internal predecessors, (61), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 278 [2024-11-20 03:01:03,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:01:03,157 INFO L225 Difference]: With dead ends: 2100 [2024-11-20 03:01:03,158 INFO L226 Difference]: Without dead ends: 1438 [2024-11-20 03:01:03,162 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2024-11-20 03:01:03,165 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 688 mSDsluCounter, 794 mSDsCounter, 0 mSdLazyCounter, 779 mSolverCounterSat, 224 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 688 SdHoareTripleChecker+Valid, 975 SdHoareTripleChecker+Invalid, 1003 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 224 IncrementalHoareTripleChecker+Valid, 779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-20 03:01:03,166 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [688 Valid, 975 Invalid, 1003 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [224 Valid, 779 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-20 03:01:03,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1438 states. [2024-11-20 03:01:03,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1438 to 1134. [2024-11-20 03:01:03,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1134 states, 939 states have (on average 1.4717784877529287) internal successors, (1382), 945 states have internal predecessors, (1382), 184 states have call successors, (184), 10 states have call predecessors, (184), 10 states have return successors, (184), 178 states have call predecessors, (184), 184 states have call successors, (184) [2024-11-20 03:01:03,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 1750 transitions. [2024-11-20 03:01:03,281 INFO L78 Accepts]: Start accepts. Automaton has 1134 states and 1750 transitions. Word has length 278 [2024-11-20 03:01:03,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:01:03,282 INFO L471 AbstractCegarLoop]: Abstraction has 1134 states and 1750 transitions. [2024-11-20 03:01:03,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.1) internal successors, (61), 10 states have internal predecessors, (61), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-11-20 03:01:03,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1750 transitions. [2024-11-20 03:01:03,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-20 03:01:03,287 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:01:03,288 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:01:03,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 03:01:03,288 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:01:03,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:01:03,288 INFO L85 PathProgramCache]: Analyzing trace with hash 2100197630, now seen corresponding path program 1 times [2024-11-20 03:01:03,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:01:03,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572738916] [2024-11-20 03:01:03,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:01:03,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:01:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:01:05,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:01:05,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 03:01:05,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:01:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 03:01:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:01:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 03:01:05,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:01:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 03:01:05,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:01:05,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 03:01:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:01:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 03:01:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:01:05,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:01:05,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 03:01:05,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 03:01:05,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 03:01:05,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 03:01:05,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 03:01:05,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 03:01:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 03:01:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 03:01:05,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 03:01:05,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 03:01:05,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 03:01:05,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:01:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 03:01:05,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:01:05,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 03:01:05,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:01:05,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 03:01:05,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:01:05,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-20 03:01:05,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 03:01:05,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 03:01:05,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 03:01:05,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 03:01:05,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-20 03:01:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-20 03:01:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-20 03:01:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-20 03:01:05,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-20 03:01:05,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-20 03:01:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:05,734 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-20 03:01:05,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:01:05,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572738916] [2024-11-20 03:01:05,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572738916] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:01:05,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:01:05,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 03:01:05,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285299080] [2024-11-20 03:01:05,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:01:05,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 03:01:05,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:01:05,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 03:01:05,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 03:01:05,737 INFO L87 Difference]: Start difference. First operand 1134 states and 1750 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-20 03:01:06,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:01:06,627 INFO L93 Difference]: Finished difference Result 2190 states and 3343 transitions. [2024-11-20 03:01:06,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 03:01:06,628 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 278 [2024-11-20 03:01:06,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:01:06,638 INFO L225 Difference]: With dead ends: 2190 [2024-11-20 03:01:06,638 INFO L226 Difference]: Without dead ends: 1506 [2024-11-20 03:01:06,641 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-20 03:01:06,643 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 237 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 780 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 03:01:06,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 780 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 03:01:06,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1506 states. [2024-11-20 03:01:06,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1506 to 1146. [2024-11-20 03:01:06,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1146 states, 951 states have (on average 1.4616193480546793) internal successors, (1390), 957 states have internal predecessors, (1390), 184 states have call successors, (184), 10 states have call predecessors, (184), 10 states have return successors, (184), 178 states have call predecessors, (184), 184 states have call successors, (184) [2024-11-20 03:01:06,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 1146 states and 1758 transitions. [2024-11-20 03:01:06,765 INFO L78 Accepts]: Start accepts. Automaton has 1146 states and 1758 transitions. Word has length 278 [2024-11-20 03:01:06,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:01:06,766 INFO L471 AbstractCegarLoop]: Abstraction has 1146 states and 1758 transitions. [2024-11-20 03:01:06,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-20 03:01:06,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1758 transitions. [2024-11-20 03:01:06,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-20 03:01:06,772 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:01:06,772 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:01:06,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 03:01:06,772 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:01:06,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:01:06,773 INFO L85 PathProgramCache]: Analyzing trace with hash -160746483, now seen corresponding path program 1 times [2024-11-20 03:01:06,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:01:06,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624588443] [2024-11-20 03:01:06,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:01:06,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:01:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:01:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:01:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 03:01:07,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:01:07,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 03:01:07,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:01:07,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 03:01:07,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:01:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 03:01:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:01:07,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 03:01:07,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:01:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 03:01:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:01:07,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:01:07,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 03:01:07,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 03:01:07,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 03:01:07,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 03:01:07,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 03:01:07,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 03:01:07,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 03:01:07,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 03:01:07,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 03:01:07,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 03:01:07,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 03:01:07,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:01:07,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 03:01:07,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:01:07,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 03:01:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:01:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 03:01:07,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:01:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-20 03:01:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 03:01:07,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 03:01:07,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 03:01:07,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 03:01:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-20 03:01:07,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-20 03:01:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-20 03:01:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-20 03:01:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-20 03:01:07,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-20 03:01:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:07,588 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-20 03:01:07,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:01:07,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624588443] [2024-11-20 03:01:07,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624588443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:01:07,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:01:07,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 03:01:07,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81646720] [2024-11-20 03:01:07,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:01:07,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 03:01:07,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:01:07,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 03:01:07,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-20 03:01:07,591 INFO L87 Difference]: Start difference. First operand 1146 states and 1758 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-20 03:01:08,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:01:08,518 INFO L93 Difference]: Finished difference Result 2384 states and 3620 transitions. [2024-11-20 03:01:08,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 03:01:08,518 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 278 [2024-11-20 03:01:08,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:01:08,528 INFO L225 Difference]: With dead ends: 2384 [2024-11-20 03:01:08,528 INFO L226 Difference]: Without dead ends: 1716 [2024-11-20 03:01:08,531 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-20 03:01:08,533 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 343 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 881 SdHoareTripleChecker+Invalid, 701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-20 03:01:08,534 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 881 Invalid, 701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-20 03:01:08,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2024-11-20 03:01:08,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1126. [2024-11-20 03:01:08,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1126 states, 931 states have (on average 1.4543501611170784) internal successors, (1354), 937 states have internal predecessors, (1354), 184 states have call successors, (184), 10 states have call predecessors, (184), 10 states have return successors, (184), 178 states have call predecessors, (184), 184 states have call successors, (184) [2024-11-20 03:01:08,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 1126 states and 1722 transitions. [2024-11-20 03:01:08,659 INFO L78 Accepts]: Start accepts. Automaton has 1126 states and 1722 transitions. Word has length 278 [2024-11-20 03:01:08,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:01:08,660 INFO L471 AbstractCegarLoop]: Abstraction has 1126 states and 1722 transitions. [2024-11-20 03:01:08,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-20 03:01:08,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 1722 transitions. [2024-11-20 03:01:08,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-20 03:01:08,664 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:01:08,664 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:01:08,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 03:01:08,664 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:01:08,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:01:08,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1255695475, now seen corresponding path program 1 times [2024-11-20 03:01:08,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:01:08,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160789902] [2024-11-20 03:01:08,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:01:08,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:01:08,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:01:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:01:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 03:01:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:01:09,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 03:01:09,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:01:09,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 03:01:09,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:01:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 03:01:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:01:09,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 03:01:09,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:01:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 03:01:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:01:09,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:01:09,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 03:01:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 03:01:09,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 03:01:09,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 03:01:09,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 03:01:09,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 03:01:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 03:01:09,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 03:01:09,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 03:01:09,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 03:01:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 03:01:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:01:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 03:01:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:01:09,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 03:01:09,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:01:09,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 03:01:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:01:09,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-20 03:01:09,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 03:01:09,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 03:01:09,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 03:01:09,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 03:01:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-20 03:01:09,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-20 03:01:09,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-20 03:01:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-20 03:01:09,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-20 03:01:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-20 03:01:09,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:09,362 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-20 03:01:09,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:01:09,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160789902] [2024-11-20 03:01:09,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160789902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:01:09,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:01:09,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 03:01:09,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660779918] [2024-11-20 03:01:09,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:01:09,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 03:01:09,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:01:09,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 03:01:09,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 03:01:09,365 INFO L87 Difference]: Start difference. First operand 1126 states and 1722 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-20 03:01:09,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:01:09,774 INFO L93 Difference]: Finished difference Result 2044 states and 3106 transitions. [2024-11-20 03:01:09,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 03:01:09,775 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 278 [2024-11-20 03:01:09,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:01:09,784 INFO L225 Difference]: With dead ends: 2044 [2024-11-20 03:01:09,785 INFO L226 Difference]: Without dead ends: 1168 [2024-11-20 03:01:09,787 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 03:01:09,788 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 156 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 03:01:09,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 569 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 03:01:09,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2024-11-20 03:01:09,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 1062. [2024-11-20 03:01:09,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1062 states, 867 states have (on average 1.4371395617070357) internal successors, (1246), 873 states have internal predecessors, (1246), 184 states have call successors, (184), 10 states have call predecessors, (184), 10 states have return successors, (184), 178 states have call predecessors, (184), 184 states have call successors, (184) [2024-11-20 03:01:09,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 1614 transitions. [2024-11-20 03:01:09,944 INFO L78 Accepts]: Start accepts. Automaton has 1062 states and 1614 transitions. Word has length 278 [2024-11-20 03:01:09,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:01:09,945 INFO L471 AbstractCegarLoop]: Abstraction has 1062 states and 1614 transitions. [2024-11-20 03:01:09,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-20 03:01:09,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1614 transitions. [2024-11-20 03:01:09,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-11-20 03:01:09,948 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:01:09,949 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:01:09,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 03:01:09,949 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:01:09,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:01:09,950 INFO L85 PathProgramCache]: Analyzing trace with hash 670490962, now seen corresponding path program 1 times [2024-11-20 03:01:09,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:01:09,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820887716] [2024-11-20 03:01:09,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:01:09,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:01:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:12,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:01:12,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:12,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:01:12,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:12,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 03:01:12,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:12,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:01:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:12,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 03:01:12,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:12,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:01:12,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:12,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 03:01:12,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:12,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:01:12,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:12,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 03:01:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:12,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:01:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:12,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 03:01:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:12,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:01:12,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:12,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 03:01:12,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:12,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:01:12,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:12,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:01:12,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:12,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 03:01:12,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:12,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 03:01:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:12,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 03:01:12,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:12,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 03:01:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:13,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 03:01:13,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:13,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 03:01:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:13,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 03:01:13,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:13,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 03:01:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:13,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 03:01:13,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:13,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 03:01:13,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:13,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 03:01:13,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:13,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:01:13,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:13,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 03:01:13,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:13,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:01:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:13,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 03:01:13,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:13,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:01:13,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:13,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 03:01:13,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:13,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:01:13,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:13,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-20 03:01:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:13,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 03:01:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:13,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 03:01:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:13,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 03:01:13,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:13,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 03:01:13,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:13,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-20 03:01:13,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:13,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-20 03:01:13,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:13,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-20 03:01:13,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:13,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-20 03:01:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:13,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-20 03:01:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:13,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-20 03:01:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:13,043 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-20 03:01:13,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:01:13,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820887716] [2024-11-20 03:01:13,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820887716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:01:13,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:01:13,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 03:01:13,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174559001] [2024-11-20 03:01:13,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:01:13,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 03:01:13,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:01:13,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 03:01:13,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-20 03:01:13,046 INFO L87 Difference]: Start difference. First operand 1062 states and 1614 transitions. Second operand has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-20 03:01:14,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:01:14,862 INFO L93 Difference]: Finished difference Result 2064 states and 3114 transitions. [2024-11-20 03:01:14,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-20 03:01:14,863 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 279 [2024-11-20 03:01:14,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:01:14,873 INFO L225 Difference]: With dead ends: 2064 [2024-11-20 03:01:14,873 INFO L226 Difference]: Without dead ends: 1484 [2024-11-20 03:01:14,875 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2024-11-20 03:01:14,876 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 309 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 685 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-20 03:01:14,876 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 685 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-20 03:01:14,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1484 states. [2024-11-20 03:01:14,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1484 to 910. [2024-11-20 03:01:14,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 910 states, 735 states have (on average 1.4394557823129253) internal successors, (1058), 737 states have internal predecessors, (1058), 164 states have call successors, (164), 10 states have call predecessors, (164), 10 states have return successors, (164), 162 states have call predecessors, (164), 164 states have call successors, (164) [2024-11-20 03:01:14,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 1386 transitions. [2024-11-20 03:01:14,991 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 1386 transitions. Word has length 279 [2024-11-20 03:01:14,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:01:14,992 INFO L471 AbstractCegarLoop]: Abstraction has 910 states and 1386 transitions. [2024-11-20 03:01:14,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-20 03:01:14,992 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1386 transitions. [2024-11-20 03:01:14,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-11-20 03:01:14,995 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:01:14,996 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:01:14,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 03:01:14,996 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:01:14,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:01:14,997 INFO L85 PathProgramCache]: Analyzing trace with hash 515457480, now seen corresponding path program 1 times [2024-11-20 03:01:14,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:01:14,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229324809] [2024-11-20 03:01:14,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:01:14,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:01:15,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:01:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:01:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 03:01:21,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:01:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 03:01:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:01:21,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 03:01:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:01:21,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 03:01:21,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:01:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 03:01:21,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:01:21,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 03:01:21,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:01:21,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:01:21,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 03:01:21,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 03:01:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 03:01:21,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 03:01:21,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 03:01:21,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 03:01:21,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 03:01:21,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 03:01:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 03:01:21,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 03:01:21,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 03:01:21,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:01:21,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 03:01:21,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:01:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 03:01:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:01:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 03:01:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:01:21,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-20 03:01:21,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 03:01:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 03:01:21,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 03:01:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 03:01:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-20 03:01:21,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-20 03:01:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-20 03:01:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-20 03:01:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-20 03:01:21,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-20 03:01:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:21,793 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-20 03:01:21,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:01:21,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229324809] [2024-11-20 03:01:21,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229324809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:01:21,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:01:21,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-20 03:01:21,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825161372] [2024-11-20 03:01:21,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:01:21,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-20 03:01:21,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:01:21,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-20 03:01:21,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-11-20 03:01:21,796 INFO L87 Difference]: Start difference. First operand 910 states and 1386 transitions. Second operand has 15 states, 15 states have (on average 4.133333333333334) internal successors, (62), 15 states have internal predecessors, (62), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-11-20 03:01:25,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:01:25,337 INFO L93 Difference]: Finished difference Result 1902 states and 2841 transitions. [2024-11-20 03:01:25,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-20 03:01:25,338 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.133333333333334) internal successors, (62), 15 states have internal predecessors, (62), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 279 [2024-11-20 03:01:25,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:01:25,347 INFO L225 Difference]: With dead ends: 1902 [2024-11-20 03:01:25,348 INFO L226 Difference]: Without dead ends: 1298 [2024-11-20 03:01:25,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2024-11-20 03:01:25,351 INFO L432 NwaCegarLoop]: 222 mSDtfsCounter, 452 mSDsluCounter, 1306 mSDsCounter, 0 mSdLazyCounter, 1402 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 1528 SdHoareTripleChecker+Invalid, 1629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 1402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-20 03:01:25,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [452 Valid, 1528 Invalid, 1629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 1402 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-20 03:01:25,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1298 states. [2024-11-20 03:01:25,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1298 to 1050. [2024-11-20 03:01:25,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1050 states, 875 states have (on average 1.4194285714285715) internal successors, (1242), 877 states have internal predecessors, (1242), 164 states have call successors, (164), 10 states have call predecessors, (164), 10 states have return successors, (164), 162 states have call predecessors, (164), 164 states have call successors, (164) [2024-11-20 03:01:25,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 1050 states and 1570 transitions. [2024-11-20 03:01:25,461 INFO L78 Accepts]: Start accepts. Automaton has 1050 states and 1570 transitions. Word has length 279 [2024-11-20 03:01:25,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:01:25,462 INFO L471 AbstractCegarLoop]: Abstraction has 1050 states and 1570 transitions. [2024-11-20 03:01:25,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.133333333333334) internal successors, (62), 15 states have internal predecessors, (62), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2024-11-20 03:01:25,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1570 transitions. [2024-11-20 03:01:25,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-11-20 03:01:25,465 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:01:25,465 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:01:25,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 03:01:25,466 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:01:25,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:01:25,466 INFO L85 PathProgramCache]: Analyzing trace with hash -599928232, now seen corresponding path program 1 times [2024-11-20 03:01:25,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:01:25,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456643080] [2024-11-20 03:01:25,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:01:25,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:01:25,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 03:01:34,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 03:01:34,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 03:01:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 03:01:34,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 03:01:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 03:01:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 03:01:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 03:01:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-20 03:01:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 03:01:34,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-20 03:01:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 03:01:34,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 03:01:34,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 03:01:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 03:01:34,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-20 03:01:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-20 03:01:34,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-20 03:01:34,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 03:01:34,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 03:01:34,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-20 03:01:34,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-20 03:01:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-20 03:01:34,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-20 03:01:34,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-20 03:01:34,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-20 03:01:34,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 03:01:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 03:01:34,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 03:01:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-20 03:01:34,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 03:01:34,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-20 03:01:34,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 03:01:34,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-20 03:01:34,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 03:01:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 03:01:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 03:01:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 03:01:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-20 03:01:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-20 03:01:34,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-20 03:01:34,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-20 03:01:34,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-20 03:01:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-20 03:01:34,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 03:01:34,443 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-20 03:01:34,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 03:01:34,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456643080] [2024-11-20 03:01:34,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456643080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 03:01:34,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 03:01:34,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-20 03:01:34,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752802637] [2024-11-20 03:01:34,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 03:01:34,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-20 03:01:34,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 03:01:34,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-20 03:01:34,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2024-11-20 03:01:34,447 INFO L87 Difference]: Start difference. First operand 1050 states and 1570 transitions. Second operand has 15 states, 15 states have (on average 4.2) internal successors, (63), 15 states have internal predecessors, (63), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-20 03:01:37,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 03:01:37,412 INFO L93 Difference]: Finished difference Result 1836 states and 2725 transitions. [2024-11-20 03:01:37,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-20 03:01:37,414 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.2) internal successors, (63), 15 states have internal predecessors, (63), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 280 [2024-11-20 03:01:37,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 03:01:37,422 INFO L225 Difference]: With dead ends: 1836 [2024-11-20 03:01:37,423 INFO L226 Difference]: Without dead ends: 1238 [2024-11-20 03:01:37,425 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=225, Invalid=767, Unknown=0, NotChecked=0, Total=992 [2024-11-20 03:01:37,426 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 404 mSDsluCounter, 1296 mSDsCounter, 0 mSdLazyCounter, 1387 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 1480 SdHoareTripleChecker+Invalid, 1530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 1387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-20 03:01:37,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 1480 Invalid, 1530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 1387 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-20 03:01:37,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1238 states. [2024-11-20 03:01:37,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1238 to 968. [2024-11-20 03:01:37,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 968 states, 793 states have (on average 1.4325346784363178) internal successors, (1136), 795 states have internal predecessors, (1136), 164 states have call successors, (164), 10 states have call predecessors, (164), 10 states have return successors, (164), 162 states have call predecessors, (164), 164 states have call successors, (164) [2024-11-20 03:01:37,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 968 states and 1464 transitions. [2024-11-20 03:01:37,548 INFO L78 Accepts]: Start accepts. Automaton has 968 states and 1464 transitions. Word has length 280 [2024-11-20 03:01:37,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 03:01:37,549 INFO L471 AbstractCegarLoop]: Abstraction has 968 states and 1464 transitions. [2024-11-20 03:01:37,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.2) internal successors, (63), 15 states have internal predecessors, (63), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-20 03:01:37,550 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1464 transitions. [2024-11-20 03:01:37,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-11-20 03:01:37,552 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 03:01:37,552 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 03:01:37,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 03:01:37,553 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 03:01:37,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 03:01:37,553 INFO L85 PathProgramCache]: Analyzing trace with hash 80130138, now seen corresponding path program 1 times [2024-11-20 03:01:37,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 03:01:37,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492611830] [2024-11-20 03:01:37,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 03:01:37,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 03:01:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat