./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-81.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_fillercodestructure_filler-pr-ci_file-81.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 b28ed2134b8a500a12d5d4bc892752e1e825197b4bf6ff6b142642da12ed1a0e --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 04:40:18,636 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 04:40:18,691 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 04:40:18,697 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 04:40:18,697 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 04:40:18,751 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 04:40:18,752 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 04:40:18,754 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 04:40:18,754 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 04:40:18,758 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 04:40:18,758 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 04:40:18,758 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 04:40:18,759 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 04:40:18,759 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 04:40:18,759 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 04:40:18,759 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 04:40:18,759 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 04:40:18,759 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 04:40:18,760 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 04:40:18,760 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 04:40:18,760 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 04:40:18,762 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 04:40:18,763 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 04:40:18,763 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 04:40:18,763 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 04:40:18,763 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 04:40:18,763 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 04:40:18,763 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 04:40:18,763 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 04:40:18,764 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 04:40:18,764 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 04:40:18,764 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 04:40:18,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 04:40:18,764 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 04:40:18,764 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 04:40:18,764 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 04:40:18,765 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 04:40:18,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 04:40:18,765 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 04:40:18,765 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 04:40:18,765 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 04:40:18,766 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 04:40:18,766 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b28ed2134b8a500a12d5d4bc892752e1e825197b4bf6ff6b142642da12ed1a0e [2024-11-20 04:40:18,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 04:40:18,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 04:40:18,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 04:40:18,984 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 04:40:18,984 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 04:40:18,986 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-81.i [2024-11-20 04:40:20,186 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 04:40:20,361 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 04:40:20,362 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-81.i [2024-11-20 04:40:20,369 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b0ddcb1f/041b3deeab574b8199e2196aef73f966/FLAG495bc7ddb [2024-11-20 04:40:20,756 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b0ddcb1f/041b3deeab574b8199e2196aef73f966 [2024-11-20 04:40:20,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 04:40:20,759 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 04:40:20,764 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 04:40:20,764 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 04:40:20,773 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 04:40:20,774 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:40:20" (1/1) ... [2024-11-20 04:40:20,774 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1155522d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:20, skipping insertion in model container [2024-11-20 04:40:20,775 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:40:20" (1/1) ... [2024-11-20 04:40:20,806 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 04:40:20,965 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_fillercodestructure_filler-pr-ci_file-81.i[919,932] [2024-11-20 04:40:21,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 04:40:21,030 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 04:40:21,040 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_fillercodestructure_filler-pr-ci_file-81.i[919,932] [2024-11-20 04:40:21,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 04:40:21,083 INFO L204 MainTranslator]: Completed translation [2024-11-20 04:40:21,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:21 WrapperNode [2024-11-20 04:40:21,083 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 04:40:21,084 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 04:40:21,084 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 04:40:21,084 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 04:40:21,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:21" (1/1) ... [2024-11-20 04:40:21,098 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:21" (1/1) ... [2024-11-20 04:40:21,138 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 250 [2024-11-20 04:40:21,138 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 04:40:21,139 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 04:40:21,139 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 04:40:21,139 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 04:40:21,148 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:21" (1/1) ... [2024-11-20 04:40:21,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:21" (1/1) ... [2024-11-20 04:40:21,152 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:21" (1/1) ... [2024-11-20 04:40:21,175 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 04:40:21,176 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:21" (1/1) ... [2024-11-20 04:40:21,176 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:21" (1/1) ... [2024-11-20 04:40:21,188 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:21" (1/1) ... [2024-11-20 04:40:21,195 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:21" (1/1) ... [2024-11-20 04:40:21,197 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:21" (1/1) ... [2024-11-20 04:40:21,199 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:21" (1/1) ... [2024-11-20 04:40:21,209 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 04:40:21,209 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 04:40:21,209 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 04:40:21,210 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 04:40:21,210 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:21" (1/1) ... [2024-11-20 04:40:21,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 04:40:21,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 04:40:21,236 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 04:40:21,238 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 04:40:21,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 04:40:21,279 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 04:40:21,280 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 04:40:21,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 04:40:21,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 04:40:21,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 04:40:21,365 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 04:40:21,368 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 04:40:21,723 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-20 04:40:21,723 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 04:40:21,740 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 04:40:21,740 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 04:40:21,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:40:21 BoogieIcfgContainer [2024-11-20 04:40:21,741 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 04:40:21,742 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 04:40:21,742 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 04:40:21,747 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 04:40:21,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 04:40:20" (1/3) ... [2024-11-20 04:40:21,748 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@844fbca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:40:21, skipping insertion in model container [2024-11-20 04:40:21,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:40:21" (2/3) ... [2024-11-20 04:40:21,748 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@844fbca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:40:21, skipping insertion in model container [2024-11-20 04:40:21,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:40:21" (3/3) ... [2024-11-20 04:40:21,750 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-81.i [2024-11-20 04:40:21,762 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 04:40:21,762 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 04:40:21,815 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 04:40:21,821 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;@268d99b2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 04:40:21,821 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 04:40:21,825 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 72 states have (on average 1.4722222222222223) internal successors, (106), 73 states have internal predecessors, (106), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-20 04:40:21,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-20 04:40:21,839 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:40:21,840 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:40:21,841 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:40:21,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:40:21,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1706633354, now seen corresponding path program 1 times [2024-11-20 04:40:21,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:40:21,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066565785] [2024-11-20 04:40:21,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:40:21,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:40:21,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:22,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:40:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:22,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:40:22,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:22,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:40:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:22,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:40:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:22,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:40:22,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:22,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:40:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:22,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:40:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:22,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:40:22,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:22,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:40:22,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:22,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:40:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:22,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:40:22,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:22,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:40:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:22,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:40:22,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:22,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:40:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:22,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:40:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:22,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:40:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:22,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:40:22,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:22,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:40:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:22,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:40:22,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:22,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 04:40:22,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:22,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:40:22,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:22,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 04:40:22,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:22,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 04:40:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:22,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 04:40:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:22,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 04:40:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:22,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 04:40:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:22,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 04:40:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:22,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 04:40:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:22,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 04:40:22,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:22,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 04:40:22,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:22,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 04:40:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:22,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 04:40:22,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:40:22,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066565785] [2024-11-20 04:40:22,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066565785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:40:22,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:40:22,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 04:40:22,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506675312] [2024-11-20 04:40:22,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:40:22,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 04:40:22,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:40:22,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 04:40:22,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 04:40:22,397 INFO L87 Difference]: Start difference. First operand has 106 states, 72 states have (on average 1.4722222222222223) internal successors, (106), 73 states have internal predecessors, (106), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-20 04:40:22,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:40:22,451 INFO L93 Difference]: Finished difference Result 204 states and 359 transitions. [2024-11-20 04:40:22,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 04:40:22,453 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 202 [2024-11-20 04:40:22,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:40:22,462 INFO L225 Difference]: With dead ends: 204 [2024-11-20 04:40:22,462 INFO L226 Difference]: Without dead ends: 101 [2024-11-20 04:40:22,466 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 04:40:22,471 INFO L432 NwaCegarLoop]: 158 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, 158 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 04:40:22,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 04:40:22,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-20 04:40:22,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-11-20 04:40:22,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 68 states have (on average 1.411764705882353) internal successors, (96), 68 states have internal predecessors, (96), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-20 04:40:22,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 158 transitions. [2024-11-20 04:40:22,519 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 158 transitions. Word has length 202 [2024-11-20 04:40:22,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:40:22,520 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 158 transitions. [2024-11-20 04:40:22,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-20 04:40:22,520 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 158 transitions. [2024-11-20 04:40:22,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-20 04:40:22,525 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:40:22,526 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:40:22,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 04:40:22,527 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:40:22,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:40:22,527 INFO L85 PathProgramCache]: Analyzing trace with hash 4618240, now seen corresponding path program 1 times [2024-11-20 04:40:22,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:40:22,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896264434] [2024-11-20 04:40:22,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:40:22,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:40:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:23,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:40:23,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:23,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:40:23,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:23,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:40:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:23,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:40:23,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:23,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:40:23,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:23,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:40:23,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:23,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:40:23,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:23,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:40:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:23,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:40:23,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:23,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:40:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:23,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:40:23,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:23,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:40:23,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:23,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:40:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:23,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:40:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:23,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:40:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:23,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:40:23,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:23,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:40:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:23,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:40:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:23,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:40:23,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:23,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 04:40:23,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:23,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:40:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:23,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 04:40:23,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:23,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 04:40:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:23,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 04:40:23,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:23,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 04:40:23,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:23,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 04:40:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:23,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 04:40:23,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:23,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 04:40:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:23,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 04:40:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:23,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 04:40:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:23,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 04:40:23,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:23,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 04:40:23,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:40:23,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896264434] [2024-11-20 04:40:23,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896264434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:40:23,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:40:23,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 04:40:23,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851724480] [2024-11-20 04:40:23,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:40:23,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 04:40:23,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:40:23,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 04:40:23,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 04:40:23,455 INFO L87 Difference]: Start difference. First operand 101 states and 158 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 04:40:23,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:40:23,722 INFO L93 Difference]: Finished difference Result 269 states and 421 transitions. [2024-11-20 04:40:23,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 04:40:23,723 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 202 [2024-11-20 04:40:23,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:40:23,727 INFO L225 Difference]: With dead ends: 269 [2024-11-20 04:40:23,728 INFO L226 Difference]: Without dead ends: 171 [2024-11-20 04:40:23,729 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-20 04:40:23,730 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 125 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 04:40:23,731 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 448 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 04:40:23,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-20 04:40:23,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 119. [2024-11-20 04:40:23,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 86 states have (on average 1.4767441860465116) internal successors, (127), 86 states have internal predecessors, (127), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-20 04:40:23,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 189 transitions. [2024-11-20 04:40:23,750 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 189 transitions. Word has length 202 [2024-11-20 04:40:23,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:40:23,752 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 189 transitions. [2024-11-20 04:40:23,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 04:40:23,752 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 189 transitions. [2024-11-20 04:40:23,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-20 04:40:23,757 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:40:23,757 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:40:23,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 04:40:23,757 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:40:23,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:40:23,758 INFO L85 PathProgramCache]: Analyzing trace with hash 684676610, now seen corresponding path program 1 times [2024-11-20 04:40:23,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:40:23,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629410176] [2024-11-20 04:40:23,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:40:23,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:40:23,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:37,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:40:37,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:37,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:40:37,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:37,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:40:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:37,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:40:37,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:37,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:40:37,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:37,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:40:37,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:37,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:40:37,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:37,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:40:37,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:37,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:40:37,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:37,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:40:37,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:37,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:40:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:37,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:40:37,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:37,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:40:37,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:37,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:40:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:37,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:40:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:37,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:40:37,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:37,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:40:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:37,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:40:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:37,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:40:37,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:37,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 04:40:37,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:37,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:40:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:37,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 04:40:37,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:37,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 04:40:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:37,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 04:40:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:37,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 04:40:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:37,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 04:40:37,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:37,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 04:40:37,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:37,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 04:40:37,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:37,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 04:40:37,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:37,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 04:40:37,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:37,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 04:40:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:37,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 04:40:37,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:40:37,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629410176] [2024-11-20 04:40:37,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629410176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:40:37,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:40:37,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-20 04:40:37,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306879886] [2024-11-20 04:40:37,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:40:37,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-20 04:40:37,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:40:37,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-20 04:40:37,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2024-11-20 04:40:37,865 INFO L87 Difference]: Start difference. First operand 119 states and 189 transitions. Second operand has 16 states, 16 states have (on average 3.125) internal successors, (50), 16 states have internal predecessors, (50), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-20 04:40:44,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:40:44,388 INFO L93 Difference]: Finished difference Result 531 states and 808 transitions. [2024-11-20 04:40:44,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-20 04:40:44,389 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.125) internal successors, (50), 16 states have internal predecessors, (50), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 202 [2024-11-20 04:40:44,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:40:44,391 INFO L225 Difference]: With dead ends: 531 [2024-11-20 04:40:44,391 INFO L226 Difference]: Without dead ends: 415 [2024-11-20 04:40:44,393 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=353, Invalid=769, Unknown=0, NotChecked=0, Total=1122 [2024-11-20 04:40:44,394 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 2088 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 924 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2088 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 1048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 924 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-20 04:40:44,394 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2088 Valid, 546 Invalid, 1048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 924 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-20 04:40:44,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2024-11-20 04:40:44,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 167. [2024-11-20 04:40:44,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 133 states have (on average 1.5263157894736843) internal successors, (203), 133 states have internal predecessors, (203), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-20 04:40:44,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 265 transitions. [2024-11-20 04:40:44,411 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 265 transitions. Word has length 202 [2024-11-20 04:40:44,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:40:44,411 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 265 transitions. [2024-11-20 04:40:44,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.125) internal successors, (50), 16 states have internal predecessors, (50), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-20 04:40:44,411 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 265 transitions. [2024-11-20 04:40:44,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-20 04:40:44,413 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:40:44,413 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:40:44,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 04:40:44,414 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:40:44,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:40:44,414 INFO L85 PathProgramCache]: Analyzing trace with hash -326440640, now seen corresponding path program 1 times [2024-11-20 04:40:44,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:40:44,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215833010] [2024-11-20 04:40:44,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:40:44,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:40:44,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:44,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:40:44,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:44,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:40:44,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:44,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:40:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:44,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:40:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:44,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:40:44,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:44,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:40:44,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:44,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:40:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:44,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:40:44,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:44,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:40:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:44,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:40:44,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:44,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:40:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:44,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:40:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:44,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:40:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:44,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:40:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:44,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:40:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:44,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:40:44,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:44,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:40:44,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:44,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:40:44,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:44,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:40:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:44,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 04:40:44,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:44,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:40:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:44,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 04:40:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:44,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 04:40:44,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:44,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 04:40:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:44,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 04:40:44,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:44,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 04:40:44,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:44,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 04:40:44,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:44,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 04:40:44,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:44,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 04:40:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:44,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 04:40:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:44,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 04:40:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:44,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 04:40:44,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:40:44,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215833010] [2024-11-20 04:40:44,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215833010] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:40:44,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:40:44,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 04:40:44,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725051698] [2024-11-20 04:40:44,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:40:44,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 04:40:44,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:40:44,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 04:40:44,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 04:40:44,644 INFO L87 Difference]: Start difference. First operand 167 states and 265 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 04:40:44,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:40:44,710 INFO L93 Difference]: Finished difference Result 392 states and 621 transitions. [2024-11-20 04:40:44,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 04:40:44,710 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 202 [2024-11-20 04:40:44,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:40:44,712 INFO L225 Difference]: With dead ends: 392 [2024-11-20 04:40:44,712 INFO L226 Difference]: Without dead ends: 228 [2024-11-20 04:40:44,712 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 04:40:44,713 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 67 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 04:40:44,713 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 455 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 04:40:44,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-20 04:40:44,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 210. [2024-11-20 04:40:44,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 171 states have (on average 1.4853801169590644) internal successors, (254), 172 states have internal predecessors, (254), 35 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-20 04:40:44,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 324 transitions. [2024-11-20 04:40:44,742 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 324 transitions. Word has length 202 [2024-11-20 04:40:44,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:40:44,744 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 324 transitions. [2024-11-20 04:40:44,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 04:40:44,745 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 324 transitions. [2024-11-20 04:40:44,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-20 04:40:44,746 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:40:44,747 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:40:44,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 04:40:44,748 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:40:44,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:40:44,748 INFO L85 PathProgramCache]: Analyzing trace with hash -903671292, now seen corresponding path program 1 times [2024-11-20 04:40:44,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:40:44,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867298930] [2024-11-20 04:40:44,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:40:44,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:40:44,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:54,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:40:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:54,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:40:54,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:54,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:40:54,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:54,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:40:54,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:54,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:40:54,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:54,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:40:54,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:54,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:40:54,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:54,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:40:54,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:54,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:40:54,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:54,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:40:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:54,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:40:54,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:54,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:40:54,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:54,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:40:54,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:54,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:40:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:54,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:40:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:54,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:40:54,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:54,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:40:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:54,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:40:54,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:54,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:40:54,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:54,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 04:40:54,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:54,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:40:54,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:54,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 04:40:54,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:54,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 04:40:54,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:54,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 04:40:54,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:54,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 04:40:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:54,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 04:40:54,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:54,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 04:40:54,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:54,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 04:40:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:54,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 04:40:54,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:54,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 04:40:54,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:54,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 04:40:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:54,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 04:40:54,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:40:54,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867298930] [2024-11-20 04:40:54,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867298930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:40:54,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:40:54,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-20 04:40:54,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490411715] [2024-11-20 04:40:54,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:40:54,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-20 04:40:54,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:40:54,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-20 04:40:54,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-11-20 04:40:54,398 INFO L87 Difference]: Start difference. First operand 210 states and 324 transitions. Second operand has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 15 states have internal predecessors, (50), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-20 04:40:57,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:40:57,849 INFO L93 Difference]: Finished difference Result 601 states and 909 transitions. [2024-11-20 04:40:57,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-20 04:40:57,851 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 15 states have internal predecessors, (50), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 202 [2024-11-20 04:40:57,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:40:57,855 INFO L225 Difference]: With dead ends: 601 [2024-11-20 04:40:57,855 INFO L226 Difference]: Without dead ends: 394 [2024-11-20 04:40:57,856 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=214, Invalid=436, Unknown=0, NotChecked=0, Total=650 [2024-11-20 04:40:57,857 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 1217 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 1000 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1217 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 1101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 1000 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-20 04:40:57,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1217 Valid, 505 Invalid, 1101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 1000 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-20 04:40:57,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-11-20 04:40:57,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 210. [2024-11-20 04:40:57,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 171 states have (on average 1.4853801169590644) internal successors, (254), 172 states have internal predecessors, (254), 35 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-20 04:40:57,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 324 transitions. [2024-11-20 04:40:57,873 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 324 transitions. Word has length 202 [2024-11-20 04:40:57,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:40:57,874 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 324 transitions. [2024-11-20 04:40:57,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 15 states have internal predecessors, (50), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-20 04:40:57,874 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 324 transitions. [2024-11-20 04:40:57,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-20 04:40:57,876 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:40:57,876 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:40:57,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 04:40:57,876 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:40:57,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:40:57,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1309468096, now seen corresponding path program 1 times [2024-11-20 04:40:57,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:40:57,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159951145] [2024-11-20 04:40:57,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:40:57,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:40:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:58,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:40:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:58,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:40:58,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:58,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:40:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:58,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:40:58,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:58,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:40:58,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:58,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:40:58,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:58,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:40:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:58,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:40:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:58,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:40:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:58,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:40:58,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:58,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:40:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:58,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:40:58,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:58,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:40:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:58,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:40:58,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:58,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:40:58,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:58,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:40:58,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:58,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:40:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:58,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:40:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:58,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:40:58,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:58,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 04:40:58,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:58,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:40:58,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:58,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 04:40:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:58,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 04:40:58,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:58,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 04:40:58,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:58,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 04:40:58,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:58,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 04:40:58,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:58,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 04:40:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:58,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 04:40:58,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:58,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 04:40:58,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:58,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 04:40:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:58,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 04:40:58,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:40:58,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 04:40:58,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:40:58,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159951145] [2024-11-20 04:40:58,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159951145] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:40:58,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:40:58,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 04:40:58,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106273397] [2024-11-20 04:40:58,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:40:58,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 04:40:58,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:40:58,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 04:40:58,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-20 04:40:58,707 INFO L87 Difference]: Start difference. First operand 210 states and 324 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 04:40:59,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:40:59,330 INFO L93 Difference]: Finished difference Result 787 states and 1210 transitions. [2024-11-20 04:40:59,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 04:40:59,330 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 202 [2024-11-20 04:40:59,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:40:59,333 INFO L225 Difference]: With dead ends: 787 [2024-11-20 04:40:59,333 INFO L226 Difference]: Without dead ends: 580 [2024-11-20 04:40:59,336 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2024-11-20 04:40:59,336 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 428 mSDsluCounter, 951 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 290 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 1129 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 290 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 04:40:59,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 1129 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [290 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 04:40:59,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2024-11-20 04:40:59,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 318. [2024-11-20 04:40:59,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 246 states have (on average 1.475609756097561) internal successors, (363), 247 states have internal predecessors, (363), 66 states have call successors, (66), 5 states have call predecessors, (66), 5 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-20 04:40:59,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 495 transitions. [2024-11-20 04:40:59,380 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 495 transitions. Word has length 202 [2024-11-20 04:40:59,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:40:59,383 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 495 transitions. [2024-11-20 04:40:59,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 04:40:59,383 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 495 transitions. [2024-11-20 04:40:59,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-20 04:40:59,384 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:40:59,384 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:40:59,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 04:40:59,385 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:40:59,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:40:59,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1502325060, now seen corresponding path program 1 times [2024-11-20 04:40:59,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:40:59,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297028689] [2024-11-20 04:40:59,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:40:59,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:40:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:08,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:41:08,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:08,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:41:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:08,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:41:08,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:08,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:41:08,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:08,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:41:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:08,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:41:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:08,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:41:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:08,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:41:08,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:08,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:41:08,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:08,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:41:08,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:08,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:41:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:08,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:41:08,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:08,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:41:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:08,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:41:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:08,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:41:08,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:08,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:41:08,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:08,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:41:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:08,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:41:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:08,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:41:08,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:08,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 04:41:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:08,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:41:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:08,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 04:41:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:08,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 04:41:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:09,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 04:41:09,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:09,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 04:41:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:09,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 04:41:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:09,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 04:41:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:09,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 04:41:09,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:09,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 04:41:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:09,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 04:41:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:09,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 04:41:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:09,026 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 04:41:09,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:41:09,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297028689] [2024-11-20 04:41:09,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297028689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:41:09,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:41:09,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-20 04:41:09,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320073051] [2024-11-20 04:41:09,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:41:09,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-20 04:41:09,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:41:09,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-20 04:41:09,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-11-20 04:41:09,028 INFO L87 Difference]: Start difference. First operand 318 states and 495 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 04:41:11,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:41:11,940 INFO L93 Difference]: Finished difference Result 823 states and 1256 transitions. [2024-11-20 04:41:11,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-20 04:41:11,941 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 202 [2024-11-20 04:41:11,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:41:11,944 INFO L225 Difference]: With dead ends: 823 [2024-11-20 04:41:11,944 INFO L226 Difference]: Without dead ends: 616 [2024-11-20 04:41:11,944 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=158, Invalid=394, Unknown=0, NotChecked=0, Total=552 [2024-11-20 04:41:11,945 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 899 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 899 SdHoareTripleChecker+Valid, 775 SdHoareTripleChecker+Invalid, 813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-20 04:41:11,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [899 Valid, 775 Invalid, 813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 719 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-20 04:41:11,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2024-11-20 04:41:11,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 321. [2024-11-20 04:41:11,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 249 states have (on average 1.4779116465863453) internal successors, (368), 250 states have internal predecessors, (368), 66 states have call successors, (66), 5 states have call predecessors, (66), 5 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-20 04:41:11,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 500 transitions. [2024-11-20 04:41:11,975 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 500 transitions. Word has length 202 [2024-11-20 04:41:11,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:41:11,976 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 500 transitions. [2024-11-20 04:41:11,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 04:41:11,976 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 500 transitions. [2024-11-20 04:41:11,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-20 04:41:11,977 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:41:11,977 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:41:11,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 04:41:11,978 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:41:11,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:41:11,978 INFO L85 PathProgramCache]: Analyzing trace with hash -86022842, now seen corresponding path program 1 times [2024-11-20 04:41:11,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:41:11,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257661203] [2024-11-20 04:41:11,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:41:11,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:41:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:18,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:41:18,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:18,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:41:18,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:18,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:41:18,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:18,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:41:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:18,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:41:18,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:18,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:41:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:18,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:41:18,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:18,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:41:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:18,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:41:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:18,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:41:18,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:18,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:41:18,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:18,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:41:18,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:18,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:41:18,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:18,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:41:18,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:18,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:41:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:18,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:41:18,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:18,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:41:18,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:18,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:41:18,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:18,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:41:18,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:18,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 04:41:18,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:18,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:41:18,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:18,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 04:41:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:18,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 04:41:18,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:18,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 04:41:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:18,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 04:41:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:18,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 04:41:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:18,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 04:41:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:18,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 04:41:18,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:18,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 04:41:18,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:18,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 04:41:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:18,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 04:41:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:18,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 04:41:18,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:41:18,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257661203] [2024-11-20 04:41:18,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257661203] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:41:18,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:41:18,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-20 04:41:18,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812009781] [2024-11-20 04:41:18,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:41:18,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-20 04:41:18,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:41:18,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-20 04:41:18,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-11-20 04:41:18,176 INFO L87 Difference]: Start difference. First operand 321 states and 500 transitions. Second operand has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 15 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 04:41:20,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:41:20,966 INFO L93 Difference]: Finished difference Result 839 states and 1261 transitions. [2024-11-20 04:41:20,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-20 04:41:20,966 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 15 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 202 [2024-11-20 04:41:20,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:41:20,969 INFO L225 Difference]: With dead ends: 839 [2024-11-20 04:41:20,969 INFO L226 Difference]: Without dead ends: 632 [2024-11-20 04:41:20,970 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=256, Invalid=736, Unknown=0, NotChecked=0, Total=992 [2024-11-20 04:41:20,971 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 745 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 701 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 745 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-20 04:41:20,971 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [745 Valid, 806 Invalid, 821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 701 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-20 04:41:20,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2024-11-20 04:41:21,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 356. [2024-11-20 04:41:21,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 284 states have (on average 1.4753521126760563) internal successors, (419), 285 states have internal predecessors, (419), 66 states have call successors, (66), 5 states have call predecessors, (66), 5 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-20 04:41:21,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 551 transitions. [2024-11-20 04:41:21,007 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 551 transitions. Word has length 202 [2024-11-20 04:41:21,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:41:21,007 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 551 transitions. [2024-11-20 04:41:21,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 15 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 04:41:21,007 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 551 transitions. [2024-11-20 04:41:21,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-20 04:41:21,008 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:41:21,008 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:41:21,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 04:41:21,008 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:41:21,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:41:21,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1107378436, now seen corresponding path program 1 times [2024-11-20 04:41:21,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:41:21,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739246718] [2024-11-20 04:41:21,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:41:21,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:41:21,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:21,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:41:21,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:21,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:41:21,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:21,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:41:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:21,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:41:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:21,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:41:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:21,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:41:21,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:21,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:41:21,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:21,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:41:21,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:21,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:41:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:21,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:41:21,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:21,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:41:21,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:21,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:41:21,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:21,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:41:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:21,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:41:21,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:21,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:41:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:21,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:41:21,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:21,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:41:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:21,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:41:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:21,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:41:21,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:21,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 04:41:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:21,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:41:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:21,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 04:41:21,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:21,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 04:41:21,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:21,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 04:41:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:21,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 04:41:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:21,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 04:41:21,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:21,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 04:41:21,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:21,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 04:41:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:21,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 04:41:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:21,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 04:41:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:21,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 04:41:21,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:21,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 04:41:21,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:41:21,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739246718] [2024-11-20 04:41:21,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739246718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:41:21,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:41:21,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 04:41:21,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001310172] [2024-11-20 04:41:21,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:41:21,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 04:41:21,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:41:21,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 04:41:21,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-20 04:41:21,535 INFO L87 Difference]: Start difference. First operand 356 states and 551 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 04:41:21,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:41:21,935 INFO L93 Difference]: Finished difference Result 787 states and 1216 transitions. [2024-11-20 04:41:21,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 04:41:21,936 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 202 [2024-11-20 04:41:21,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:41:21,938 INFO L225 Difference]: With dead ends: 787 [2024-11-20 04:41:21,938 INFO L226 Difference]: Without dead ends: 580 [2024-11-20 04:41:21,939 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-11-20 04:41:21,939 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 433 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 710 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 04:41:21,940 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [433 Valid, 710 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 04:41:21,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2024-11-20 04:41:21,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 362. [2024-11-20 04:41:21,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 290 states have (on average 1.4793103448275862) internal successors, (429), 291 states have internal predecessors, (429), 66 states have call successors, (66), 5 states have call predecessors, (66), 5 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-20 04:41:21,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 561 transitions. [2024-11-20 04:41:21,971 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 561 transitions. Word has length 202 [2024-11-20 04:41:21,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:41:21,971 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 561 transitions. [2024-11-20 04:41:21,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 04:41:21,972 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 561 transitions. [2024-11-20 04:41:21,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-20 04:41:21,973 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:41:21,973 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:41:21,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 04:41:21,973 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:41:21,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:41:21,974 INFO L85 PathProgramCache]: Analyzing trace with hash 334564308, now seen corresponding path program 1 times [2024-11-20 04:41:21,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:41:21,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889826544] [2024-11-20 04:41:21,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:41:21,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:41:22,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:33,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:41:33,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:33,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:41:33,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:33,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:41:33,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:33,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:41:33,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:33,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:41:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:33,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:41:33,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:33,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:41:33,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:33,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:41:33,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:33,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:41:33,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:33,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:41:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:33,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:41:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:33,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:41:33,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:33,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:41:33,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:33,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:41:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:33,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:41:33,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:33,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:41:33,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:33,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:41:33,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:33,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:41:33,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:33,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:41:33,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:33,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 04:41:33,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:33,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:41:33,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:33,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 04:41:33,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:33,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 04:41:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:33,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 04:41:33,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:33,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 04:41:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:33,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 04:41:33,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:33,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 04:41:33,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:33,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 04:41:33,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:33,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 04:41:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:33,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 04:41:33,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:33,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 04:41:33,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:33,505 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 04:41:33,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:41:33,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889826544] [2024-11-20 04:41:33,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889826544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:41:33,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:41:33,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-20 04:41:33,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598443251] [2024-11-20 04:41:33,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:41:33,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-20 04:41:33,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:41:33,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-20 04:41:33,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-20 04:41:33,506 INFO L87 Difference]: Start difference. First operand 362 states and 561 transitions. Second operand has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 04:41:35,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:41:36,000 INFO L93 Difference]: Finished difference Result 796 states and 1218 transitions. [2024-11-20 04:41:36,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-20 04:41:36,001 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 203 [2024-11-20 04:41:36,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:41:36,003 INFO L225 Difference]: With dead ends: 796 [2024-11-20 04:41:36,003 INFO L226 Difference]: Without dead ends: 589 [2024-11-20 04:41:36,004 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2024-11-20 04:41:36,006 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 1089 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1089 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-20 04:41:36,007 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1089 Valid, 764 Invalid, 778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-20 04:41:36,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2024-11-20 04:41:36,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 373. [2024-11-20 04:41:36,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 301 states have (on average 1.4817275747508305) internal successors, (446), 302 states have internal predecessors, (446), 66 states have call successors, (66), 5 states have call predecessors, (66), 5 states have return successors, (66), 65 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-20 04:41:36,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 578 transitions. [2024-11-20 04:41:36,036 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 578 transitions. Word has length 203 [2024-11-20 04:41:36,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:41:36,038 INFO L471 AbstractCegarLoop]: Abstraction has 373 states and 578 transitions. [2024-11-20 04:41:36,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-20 04:41:36,038 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 578 transitions. [2024-11-20 04:41:36,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-20 04:41:36,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:41:36,039 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:41:36,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 04:41:36,039 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:41:36,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:41:36,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1659580398, now seen corresponding path program 1 times [2024-11-20 04:41:36,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:41:36,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852645500] [2024-11-20 04:41:36,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:41:36,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:41:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:47,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:41:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:47,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:41:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:47,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 04:41:47,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:47,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:41:47,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:47,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 04:41:47,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:47,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 04:41:47,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:47,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 04:41:47,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:47,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:41:47,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:47,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:41:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:47,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:41:47,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:47,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:41:47,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:47,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:41:47,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:47,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:41:47,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:47,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:41:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:47,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:41:47,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:47,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:41:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:47,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:41:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:47,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:41:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:47,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:41:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:47,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 04:41:47,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:47,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:41:47,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:47,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 04:41:47,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:47,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 04:41:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:47,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 04:41:47,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:47,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 04:41:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:47,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 04:41:47,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:47,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 04:41:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:47,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-20 04:41:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:47,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-20 04:41:47,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:47,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-20 04:41:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:47,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-20 04:41:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:41:47,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-20 04:41:47,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:41:47,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852645500] [2024-11-20 04:41:47,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852645500] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:41:47,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:41:47,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-20 04:41:47,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243811489] [2024-11-20 04:41:47,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:41:47,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-20 04:41:47,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:41:47,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-20 04:41:47,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-20 04:41:47,378 INFO L87 Difference]: Start difference. First operand 373 states and 578 transitions. Second operand has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31)