./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_floatingpointinfluence_no-floats_file-94.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_floatingpointinfluence_no-floats_file-94.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 d91bd79856a8b9559a56a7e25213c7db2eb3158cb61927850418ed720a1561dc --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 06:08:08,539 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 06:08:08,590 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 06:08:08,596 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 06:08:08,597 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 06:08:08,622 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 06:08:08,623 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 06:08:08,623 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 06:08:08,624 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 06:08:08,627 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 06:08:08,627 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 06:08:08,627 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 06:08:08,628 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 06:08:08,628 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 06:08:08,628 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 06:08:08,628 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 06:08:08,629 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 06:08:08,629 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 06:08:08,629 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 06:08:08,629 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 06:08:08,629 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 06:08:08,630 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 06:08:08,630 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 06:08:08,630 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 06:08:08,630 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 06:08:08,630 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 06:08:08,631 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 06:08:08,631 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 06:08:08,631 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 06:08:08,631 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 06:08:08,631 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 06:08:08,631 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 06:08:08,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 06:08:08,632 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 06:08:08,632 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 06:08:08,632 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 06:08:08,632 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 06:08:08,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 06:08:08,632 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 06:08:08,633 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 06:08:08,633 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 06:08:08,634 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 06:08:08,634 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d91bd79856a8b9559a56a7e25213c7db2eb3158cb61927850418ed720a1561dc [2024-11-20 06:08:08,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 06:08:08,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 06:08:08,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 06:08:08,884 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 06:08:08,884 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 06:08:08,885 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-94.i [2024-11-20 06:08:10,143 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 06:08:10,306 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 06:08:10,306 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-94.i [2024-11-20 06:08:10,313 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/894c9a818/4a22677dfc8b465abc56283d05131ad6/FLAG6fc52b32e [2024-11-20 06:08:10,323 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/894c9a818/4a22677dfc8b465abc56283d05131ad6 [2024-11-20 06:08:10,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 06:08:10,326 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 06:08:10,328 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 06:08:10,329 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 06:08:10,333 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 06:08:10,334 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:08:10" (1/1) ... [2024-11-20 06:08:10,335 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@df7f6c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:10, skipping insertion in model container [2024-11-20 06:08:10,336 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:08:10" (1/1) ... [2024-11-20 06:08:10,379 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 06:08:10,545 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_floatingpointinfluence_no-floats_file-94.i[916,929] [2024-11-20 06:08:10,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 06:08:10,583 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 06:08:10,594 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_floatingpointinfluence_no-floats_file-94.i[916,929] [2024-11-20 06:08:10,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 06:08:10,627 INFO L204 MainTranslator]: Completed translation [2024-11-20 06:08:10,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:10 WrapperNode [2024-11-20 06:08:10,627 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 06:08:10,628 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 06:08:10,628 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 06:08:10,628 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 06:08:10,633 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:10" (1/1) ... [2024-11-20 06:08:10,640 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:10" (1/1) ... [2024-11-20 06:08:10,663 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 155 [2024-11-20 06:08:10,664 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 06:08:10,664 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 06:08:10,667 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 06:08:10,667 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 06:08:10,674 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:10" (1/1) ... [2024-11-20 06:08:10,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:10" (1/1) ... [2024-11-20 06:08:10,676 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:10" (1/1) ... [2024-11-20 06:08:10,686 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 06:08:10,686 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:10" (1/1) ... [2024-11-20 06:08:10,686 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:10" (1/1) ... [2024-11-20 06:08:10,693 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:10" (1/1) ... [2024-11-20 06:08:10,700 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:10" (1/1) ... [2024-11-20 06:08:10,701 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:10" (1/1) ... [2024-11-20 06:08:10,702 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:10" (1/1) ... [2024-11-20 06:08:10,704 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 06:08:10,705 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 06:08:10,705 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 06:08:10,705 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 06:08:10,706 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:10" (1/1) ... [2024-11-20 06:08:10,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 06:08:10,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 06:08:10,739 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 06:08:10,742 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 06:08:10,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 06:08:10,780 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 06:08:10,780 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 06:08:10,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 06:08:10,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 06:08:10,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 06:08:10,841 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 06:08:10,842 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 06:08:11,055 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-20 06:08:11,056 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 06:08:11,069 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 06:08:11,069 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 06:08:11,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:08:11 BoogieIcfgContainer [2024-11-20 06:08:11,069 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 06:08:11,070 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 06:08:11,071 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 06:08:11,074 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 06:08:11,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:08:10" (1/3) ... [2024-11-20 06:08:11,074 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26ad2652 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:08:11, skipping insertion in model container [2024-11-20 06:08:11,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:08:10" (2/3) ... [2024-11-20 06:08:11,075 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26ad2652 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:08:11, skipping insertion in model container [2024-11-20 06:08:11,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:08:11" (3/3) ... [2024-11-20 06:08:11,076 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-94.i [2024-11-20 06:08:11,089 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 06:08:11,090 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 06:08:11,140 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 06:08:11,145 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;@42ec84a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 06:08:11,145 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 06:08:11,149 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 40 states have internal predecessors, (51), 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 06:08:11,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-20 06:08:11,164 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:08:11,165 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] [2024-11-20 06:08:11,165 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:08:11,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:08:11,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1413668025, now seen corresponding path program 1 times [2024-11-20 06:08:11,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:08:11,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322438343] [2024-11-20 06:08:11,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:08:11,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:08:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:11,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:08:11,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:11,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:08:11,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:11,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:08:11,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:11,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:08:11,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:11,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:08:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:11,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:08:11,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:11,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:08:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:11,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:08:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:11,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:08:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:11,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:08:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:11,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:08:11,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:11,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:08:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:11,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 06:08:11,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:11,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 06:08:11,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:11,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 06:08:11,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:11,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 06:08:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:11,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 06:08:11,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:11,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 06:08:11,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:11,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 06:08:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:11,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 06:08:11,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:11,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 06:08:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:11,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 06:08:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:11,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 06:08:11,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:11,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 06:08:11,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:11,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-20 06:08:11,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:11,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 06:08:11,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:11,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 06:08:11,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:11,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 06:08:11,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:11,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-20 06:08:11,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:11,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 06:08:11,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:11,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 06:08:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:11,599 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 06:08:11,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:08:11,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322438343] [2024-11-20 06:08:11,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322438343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:08:11,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:08:11,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 06:08:11,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55877305] [2024-11-20 06:08:11,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:08:11,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 06:08:11,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:08:11,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 06:08:11,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 06:08:11,627 INFO L87 Difference]: Start difference. First operand has 73 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 40 states have internal predecessors, (51), 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 16.0) internal successors, (32), 2 states have internal predecessors, (32), 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 06:08:11,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:08:11,675 INFO L93 Difference]: Finished difference Result 139 states and 251 transitions. [2024-11-20 06:08:11,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 06:08:11,678 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 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 184 [2024-11-20 06:08:11,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:08:11,685 INFO L225 Difference]: With dead ends: 139 [2024-11-20 06:08:11,686 INFO L226 Difference]: Without dead ends: 69 [2024-11-20 06:08:11,690 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 06:08:11,707 INFO L432 NwaCegarLoop]: 106 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, 106 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 06:08:11,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 06:08:11,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-20 06:08:11,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-11-20 06:08:11,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 36 states have internal predecessors, (44), 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 06:08:11,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 106 transitions. [2024-11-20 06:08:11,751 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 106 transitions. Word has length 184 [2024-11-20 06:08:11,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:08:11,752 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 106 transitions. [2024-11-20 06:08:11,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 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 06:08:11,752 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 106 transitions. [2024-11-20 06:08:11,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-20 06:08:11,757 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:08:11,758 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] [2024-11-20 06:08:11,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 06:08:11,758 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:08:11,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:08:11,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1347645371, now seen corresponding path program 1 times [2024-11-20 06:08:11,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:08:11,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381813706] [2024-11-20 06:08:11,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:08:11,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:08:11,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:25,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:08:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:25,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:08:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:25,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:08:25,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:25,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:08:25,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:25,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:08:25,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:25,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:08:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:25,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:08:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:25,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:08:25,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:25,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:08:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:25,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:08:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:25,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:08:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:25,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:08:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:25,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 06:08:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:25,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 06:08:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:25,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 06:08:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:25,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 06:08:25,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:25,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 06:08:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:25,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 06:08:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:25,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 06:08:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:25,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 06:08:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:25,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 06:08:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:25,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 06:08:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:25,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 06:08:25,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:25,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 06:08:25,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:25,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-20 06:08:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:25,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 06:08:25,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:25,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 06:08:25,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:25,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 06:08:25,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:25,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-20 06:08:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:25,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 06:08:25,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:25,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 06:08:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:25,946 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 06:08:25,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:08:25,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381813706] [2024-11-20 06:08:25,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381813706] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:08:25,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:08:25,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 06:08:25,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618385859] [2024-11-20 06:08:25,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:08:25,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 06:08:25,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:08:25,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 06:08:25,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-20 06:08:25,952 INFO L87 Difference]: Start difference. First operand 69 states and 106 transitions. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 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 06:08:27,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:08:27,164 INFO L93 Difference]: Finished difference Result 91 states and 131 transitions. [2024-11-20 06:08:27,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 06:08:27,165 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 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 184 [2024-11-20 06:08:27,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:08:27,167 INFO L225 Difference]: With dead ends: 91 [2024-11-20 06:08:27,167 INFO L226 Difference]: Without dead ends: 89 [2024-11-20 06:08:27,167 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-20 06:08:27,168 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 65 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 06:08:27,168 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 364 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 06:08:27,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-20 06:08:27,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 74. [2024-11-20 06:08:27,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 41 states have (on average 1.2195121951219512) internal successors, (50), 41 states have internal predecessors, (50), 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 06:08:27,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 112 transitions. [2024-11-20 06:08:27,186 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 112 transitions. Word has length 184 [2024-11-20 06:08:27,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:08:27,188 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 112 transitions. [2024-11-20 06:08:27,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 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 06:08:27,188 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 112 transitions. [2024-11-20 06:08:27,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-20 06:08:27,193 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:08:27,193 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] [2024-11-20 06:08:27,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 06:08:27,193 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:08:27,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:08:27,194 INFO L85 PathProgramCache]: Analyzing trace with hash 427361991, now seen corresponding path program 1 times [2024-11-20 06:08:27,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:08:27,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946642781] [2024-11-20 06:08:27,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:08:27,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:08:27,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:42,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:08:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:42,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:08:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:42,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:08:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:42,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:08:42,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:42,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:08:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:42,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:08:42,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:42,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:08:42,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:42,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:08:42,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:42,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:08:42,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:42,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:08:42,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:42,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:08:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:42,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:08:42,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:42,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 06:08:42,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:42,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 06:08:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:42,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 06:08:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:42,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 06:08:42,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:42,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 06:08:42,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:42,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 06:08:42,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:42,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 06:08:42,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:42,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 06:08:42,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:42,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 06:08:42,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:42,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 06:08:42,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:42,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 06:08:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:42,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 06:08:42,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:42,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-20 06:08:42,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:42,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 06:08:42,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:42,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 06:08:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:42,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 06:08:42,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:42,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-20 06:08:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:42,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 06:08:42,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:42,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 06:08:42,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:08:42,837 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 06:08:42,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:08:42,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946642781] [2024-11-20 06:08:42,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946642781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:08:42,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:08:42,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 06:08:42,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461062016] [2024-11-20 06:08:42,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:08:42,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 06:08:42,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:08:42,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 06:08:42,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-20 06:08:42,840 INFO L87 Difference]: Start difference. First operand 74 states and 112 transitions. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 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 06:08:44,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:08:44,857 INFO L93 Difference]: Finished difference Result 84 states and 122 transitions. [2024-11-20 06:08:44,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 06:08:44,857 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 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 184 [2024-11-20 06:08:44,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:08:44,859 INFO L225 Difference]: With dead ends: 84 [2024-11-20 06:08:44,859 INFO L226 Difference]: Without dead ends: 82 [2024-11-20 06:08:44,859 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-20 06:08:44,860 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 20 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-20 06:08:44,860 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 433 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-20 06:08:44,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-20 06:08:44,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 72. [2024-11-20 06:08:44,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 39 states have (on average 1.205128205128205) internal successors, (47), 39 states have internal predecessors, (47), 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 06:08:44,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 109 transitions. [2024-11-20 06:08:44,875 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 109 transitions. Word has length 184 [2024-11-20 06:08:44,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:08:44,878 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 109 transitions. [2024-11-20 06:08:44,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 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 06:08:44,878 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 109 transitions. [2024-11-20 06:08:44,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-20 06:08:44,879 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:08:44,880 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] [2024-11-20 06:08:44,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 06:08:44,880 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:08:44,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:08:44,880 INFO L85 PathProgramCache]: Analyzing trace with hash 767178326, now seen corresponding path program 1 times [2024-11-20 06:08:44,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:08:44,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332258345] [2024-11-20 06:08:44,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:08:44,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:08:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:00,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:09:00,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:00,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:09:00,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:00,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:09:00,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:00,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:09:00,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:00,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:09:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:00,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:09:00,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:00,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:09:00,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:00,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:09:00,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:00,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:09:00,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:00,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:09:00,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:00,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:09:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:00,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:09:00,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:00,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 06:09:00,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:00,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 06:09:00,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:00,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 06:09:00,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:00,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 06:09:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:00,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 06:09:00,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:00,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 06:09:00,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:00,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 06:09:00,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:00,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 06:09:00,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:00,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 06:09:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:00,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 06:09:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:00,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 06:09:00,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:00,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 06:09:00,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:00,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-20 06:09:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:00,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 06:09:00,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:00,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 06:09:00,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:00,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 06:09:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:00,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-20 06:09:00,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:00,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 06:09:00,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:00,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 06:09:00,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:00,912 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 06:09:00,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:09:00,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332258345] [2024-11-20 06:09:00,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332258345] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:09:00,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:09:00,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 06:09:00,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669660378] [2024-11-20 06:09:00,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:09:00,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 06:09:00,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:09:00,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 06:09:00,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-20 06:09:00,914 INFO L87 Difference]: Start difference. First operand 72 states and 109 transitions. Second operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 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 06:09:02,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:09:02,891 INFO L93 Difference]: Finished difference Result 105 states and 145 transitions. [2024-11-20 06:09:02,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 06:09:02,892 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 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 185 [2024-11-20 06:09:02,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:09:02,895 INFO L225 Difference]: With dead ends: 105 [2024-11-20 06:09:02,895 INFO L226 Difference]: Without dead ends: 103 [2024-11-20 06:09:02,895 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-11-20 06:09:02,896 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 55 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 06:09:02,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 442 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 06:09:02,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-20 06:09:02,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 75. [2024-11-20 06:09:02,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 42 states have (on average 1.2380952380952381) internal successors, (52), 42 states have internal predecessors, (52), 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 06:09:02,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 114 transitions. [2024-11-20 06:09:02,909 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 114 transitions. Word has length 185 [2024-11-20 06:09:02,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:09:02,909 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 114 transitions. [2024-11-20 06:09:02,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 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 06:09:02,910 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 114 transitions. [2024-11-20 06:09:02,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-11-20 06:09:02,911 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:09:02,911 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 06:09:02,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 06:09:02,912 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:09:02,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:09:02,912 INFO L85 PathProgramCache]: Analyzing trace with hash -42168300, now seen corresponding path program 1 times [2024-11-20 06:09:02,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:09:02,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984711763] [2024-11-20 06:09:02,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:09:02,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:09:02,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:32,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 06:09:32,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:32,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 06:09:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:32,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 06:09:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:32,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 06:09:32,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:32,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 06:09:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:32,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 06:09:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:32,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-20 06:09:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:32,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 06:09:32,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:32,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 06:09:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:32,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 06:09:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:32,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 06:09:32,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:32,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 06:09:32,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:32,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-20 06:09:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:32,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 06:09:32,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:32,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-20 06:09:32,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:32,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 06:09:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:32,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-20 06:09:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:32,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 06:09:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:32,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-20 06:09:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:32,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 06:09:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:32,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-20 06:09:32,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:32,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 06:09:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:32,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 06:09:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:32,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 06:09:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:32,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-20 06:09:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:32,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 06:09:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:32,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-20 06:09:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:32,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 06:09:32,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:32,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-20 06:09:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:32,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 06:09:32,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:32,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-20 06:09:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 06:09:32,923 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 06:09:32,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 06:09:32,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984711763] [2024-11-20 06:09:32,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984711763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 06:09:32,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 06:09:32,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-20 06:09:32,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889835120] [2024-11-20 06:09:32,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 06:09:32,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 06:09:32,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 06:09:32,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 06:09:32,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-20 06:09:32,926 INFO L87 Difference]: Start difference. First operand 75 states and 114 transitions. Second operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 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 06:09:34,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 06:09:34,882 INFO L93 Difference]: Finished difference Result 110 states and 155 transitions. [2024-11-20 06:09:34,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 06:09:34,883 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 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 185 [2024-11-20 06:09:34,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 06:09:34,884 INFO L225 Difference]: With dead ends: 110 [2024-11-20 06:09:34,884 INFO L226 Difference]: Without dead ends: 108 [2024-11-20 06:09:34,885 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-11-20 06:09:34,885 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 53 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-20 06:09:34,885 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 364 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-20 06:09:34,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-20 06:09:34,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 76. [2024-11-20 06:09:34,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 43 states have (on average 1.255813953488372) internal successors, (54), 43 states have internal predecessors, (54), 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 06:09:34,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 116 transitions. [2024-11-20 06:09:34,896 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 116 transitions. Word has length 185 [2024-11-20 06:09:34,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 06:09:34,896 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 116 transitions. [2024-11-20 06:09:34,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 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 06:09:34,896 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 116 transitions. [2024-11-20 06:09:34,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-20 06:09:34,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 06:09:34,899 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] [2024-11-20 06:09:34,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 06:09:34,899 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 06:09:34,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 06:09:34,900 INFO L85 PathProgramCache]: Analyzing trace with hash 794255552, now seen corresponding path program 1 times [2024-11-20 06:09:34,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 06:09:34,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344781087] [2024-11-20 06:09:34,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 06:09:34,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 06:09:34,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat