./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-64.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-64.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 f28c6e39e7c9acbcbeaefe28cdbb3f08f78e3f387cf9ac751f49bf5d9fb6ae78 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 12:29:52,421 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 12:29:52,507 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 12:29:52,513 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 12:29:52,514 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 12:29:52,540 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 12:29:52,541 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 12:29:52,542 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 12:29:52,542 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 12:29:52,544 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 12:29:52,545 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 12:29:52,545 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 12:29:52,546 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 12:29:52,547 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 12:29:52,548 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 12:29:52,548 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 12:29:52,548 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 12:29:52,549 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 12:29:52,549 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 12:29:52,549 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 12:29:52,549 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 12:29:52,553 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 12:29:52,554 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 12:29:52,554 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 12:29:52,554 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 12:29:52,554 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 12:29:52,555 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 12:29:52,555 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 12:29:52,555 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 12:29:52,555 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 12:29:52,556 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 12:29:52,556 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 12:29:52,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 12:29:52,556 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 12:29:52,557 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 12:29:52,557 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 12:29:52,557 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 12:29:52,557 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 12:29:52,558 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 12:29:52,558 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 12:29:52,558 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 12:29:52,559 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 12:29:52,560 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f28c6e39e7c9acbcbeaefe28cdbb3f08f78e3f387cf9ac751f49bf5d9fb6ae78 [2024-11-16 12:29:52,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 12:29:52,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 12:29:52,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 12:29:52,868 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 12:29:52,869 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 12:29:52,871 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-64.i [2024-11-16 12:29:54,356 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 12:29:54,565 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 12:29:54,567 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-64.i [2024-11-16 12:29:54,577 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e455792f/1b2e413284644e589d83c38f85bb74c9/FLAGc63377a7a [2024-11-16 12:29:54,591 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e455792f/1b2e413284644e589d83c38f85bb74c9 [2024-11-16 12:29:54,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 12:29:54,596 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 12:29:54,599 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 12:29:54,599 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 12:29:54,605 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 12:29:54,606 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:29:54" (1/1) ... [2024-11-16 12:29:54,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a69b1a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:54, skipping insertion in model container [2024-11-16 12:29:54,607 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:29:54" (1/1) ... [2024-11-16 12:29:54,643 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 12:29:54,808 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_codestructure_steplocals_file-64.i[917,930] [2024-11-16 12:29:54,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 12:29:54,903 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 12:29:54,920 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_codestructure_steplocals_file-64.i[917,930] [2024-11-16 12:29:54,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 12:29:54,976 INFO L204 MainTranslator]: Completed translation [2024-11-16 12:29:54,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:54 WrapperNode [2024-11-16 12:29:54,977 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 12:29:54,978 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 12:29:54,978 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 12:29:54,978 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 12:29:54,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:54" (1/1) ... [2024-11-16 12:29:54,995 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:54" (1/1) ... [2024-11-16 12:29:55,081 INFO L138 Inliner]: procedures = 26, calls = 57, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 232 [2024-11-16 12:29:55,082 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 12:29:55,085 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 12:29:55,085 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 12:29:55,085 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 12:29:55,095 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:54" (1/1) ... [2024-11-16 12:29:55,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:54" (1/1) ... [2024-11-16 12:29:55,101 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:54" (1/1) ... [2024-11-16 12:29:55,115 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]. [2024-11-16 12:29:55,115 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:54" (1/1) ... [2024-11-16 12:29:55,116 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:54" (1/1) ... [2024-11-16 12:29:55,121 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:54" (1/1) ... [2024-11-16 12:29:55,122 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:54" (1/1) ... [2024-11-16 12:29:55,124 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:54" (1/1) ... [2024-11-16 12:29:55,125 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:54" (1/1) ... [2024-11-16 12:29:55,127 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 12:29:55,128 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 12:29:55,128 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 12:29:55,129 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 12:29:55,130 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:54" (1/1) ... [2024-11-16 12:29:55,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 12:29:55,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 12:29:55,165 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) [2024-11-16 12:29:55,167 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 [2024-11-16 12:29:55,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 12:29:55,204 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 12:29:55,204 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 12:29:55,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 12:29:55,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 12:29:55,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 12:29:55,273 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 12:29:55,279 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 12:29:55,585 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L161: havoc property_#t~bitwise27#1;havoc property_#t~short28#1; [2024-11-16 12:29:55,648 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-16 12:29:55,651 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 12:29:55,673 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 12:29:55,675 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 12:29:55,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 12:29:55 BoogieIcfgContainer [2024-11-16 12:29:55,676 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 12:29:55,678 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 12:29:55,678 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 12:29:55,680 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 12:29:55,681 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:29:54" (1/3) ... [2024-11-16 12:29:55,682 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a9b0d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:29:55, skipping insertion in model container [2024-11-16 12:29:55,682 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:29:54" (2/3) ... [2024-11-16 12:29:55,682 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a9b0d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:29:55, skipping insertion in model container [2024-11-16 12:29:55,682 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 12:29:55" (3/3) ... [2024-11-16 12:29:55,683 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-64.i [2024-11-16 12:29:55,700 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 12:29:55,700 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 12:29:55,764 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 12:29:55,770 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;@11fcfed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 12:29:55,771 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 12:29:55,776 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 60 states have (on average 1.2833333333333334) internal successors, (77), 61 states have internal predecessors, (77), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-16 12:29:55,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-11-16 12:29:55,797 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:29:55,798 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:29:55,799 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:29:55,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:29:55,805 INFO L85 PathProgramCache]: Analyzing trace with hash -528964640, now seen corresponding path program 1 times [2024-11-16 12:29:55,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:29:55,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034725959] [2024-11-16 12:29:55,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:29:55,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:29:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:29:56,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:29:56,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:29:56,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:29:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:29:56,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:29:56,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:29:56,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:29:56,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:29:56,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:29:56,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:29:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:29:56,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:29:56,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:29:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:29:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:29:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:29:56,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:29:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:29:56,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:29:56,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:29:56,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:29:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:29:56,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:29:56,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:29:56,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:29:56,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:29:56,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 12:29:56,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:29:56,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 12:29:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 12:29:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 12:29:56,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 12:29:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 12:29:56,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 12:29:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 12:29:56,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-16 12:29:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 12:29:56,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-16 12:29:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 12:29:56,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-16 12:29:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 12:29:56,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-16 12:29:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 12:29:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:56,466 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-16 12:29:56,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:29:56,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034725959] [2024-11-16 12:29:56,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034725959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:29:56,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:29:56,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 12:29:56,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250070236] [2024-11-16 12:29:56,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:29:56,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 12:29:56,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:29:56,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 12:29:56,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 12:29:56,513 INFO L87 Difference]: Start difference. First operand has 107 states, 60 states have (on average 1.2833333333333334) internal successors, (77), 61 states have internal predecessors, (77), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) [2024-11-16 12:29:56,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:29:56,573 INFO L93 Difference]: Finished difference Result 206 states and 367 transitions. [2024-11-16 12:29:56,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 12:29:56,576 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) Word has length 266 [2024-11-16 12:29:56,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:29:56,587 INFO L225 Difference]: With dead ends: 206 [2024-11-16 12:29:56,590 INFO L226 Difference]: Without dead ends: 102 [2024-11-16 12:29:56,598 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 12:29:56,603 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 12:29:56,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 155 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 12:29:56,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-16 12:29:56,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2024-11-16 12:29:56,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 56 states have (on average 1.2321428571428572) internal successors, (69), 56 states have internal predecessors, (69), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-16 12:29:56,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 157 transitions. [2024-11-16 12:29:56,675 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 157 transitions. Word has length 266 [2024-11-16 12:29:56,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:29:56,677 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 157 transitions. [2024-11-16 12:29:56,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 2 states have call successors, (44) [2024-11-16 12:29:56,678 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 157 transitions. [2024-11-16 12:29:56,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-11-16 12:29:56,689 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:29:56,689 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:29:56,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 12:29:56,690 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:29:56,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:29:56,691 INFO L85 PathProgramCache]: Analyzing trace with hash -523227168, now seen corresponding path program 1 times [2024-11-16 12:29:56,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:29:56,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277243887] [2024-11-16 12:29:56,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:29:56,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:29:56,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:29:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:29:58,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:29:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:29:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:29:58,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:29:58,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:29:58,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:29:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:29:58,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:29:58,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:29:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:29:58,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:29:58,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:29:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:29:58,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:29:58,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:29:58,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:29:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:29:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:29:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:29:58,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:29:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:29:58,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:29:58,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:29:58,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:29:58,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:29:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 12:29:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:29:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 12:29:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 12:29:58,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 12:29:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 12:29:58,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 12:29:58,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 12:29:58,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 12:29:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-16 12:29:58,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 12:29:58,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-16 12:29:58,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 12:29:58,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-16 12:29:58,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 12:29:58,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-16 12:29:58,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 12:29:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:58,289 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-16 12:29:58,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:29:58,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277243887] [2024-11-16 12:29:58,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277243887] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:29:58,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:29:58,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 12:29:58,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813148414] [2024-11-16 12:29:58,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:29:58,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 12:29:58,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:29:58,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 12:29:58,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 12:29:58,297 INFO L87 Difference]: Start difference. First operand 102 states and 157 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-16 12:29:58,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:29:58,607 INFO L93 Difference]: Finished difference Result 227 states and 346 transitions. [2024-11-16 12:29:58,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 12:29:58,610 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 266 [2024-11-16 12:29:58,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:29:58,615 INFO L225 Difference]: With dead ends: 227 [2024-11-16 12:29:58,616 INFO L226 Difference]: Without dead ends: 128 [2024-11-16 12:29:58,617 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-16 12:29:58,619 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 59 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 12:29:58,620 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 543 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 12:29:58,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-16 12:29:58,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 115. [2024-11-16 12:29:58,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 69 states have (on average 1.289855072463768) internal successors, (89), 69 states have internal predecessors, (89), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-16 12:29:58,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 177 transitions. [2024-11-16 12:29:58,637 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 177 transitions. Word has length 266 [2024-11-16 12:29:58,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:29:58,639 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 177 transitions. [2024-11-16 12:29:58,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-16 12:29:58,641 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 177 transitions. [2024-11-16 12:29:58,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-11-16 12:29:58,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:29:58,648 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:29:58,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 12:29:58,649 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:29:58,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:29:58,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1186319873, now seen corresponding path program 1 times [2024-11-16 12:29:58,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:29:58,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793653396] [2024-11-16 12:29:58,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:29:58,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:29:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 12:29:59,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 12:29:59,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 12:29:59,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 12:29:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 12:29:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 12:29:59,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 12:29:59,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 12:29:59,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 12:29:59,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 12:29:59,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 12:29:59,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 12:29:59,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 12:29:59,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 12:29:59,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 12:29:59,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 12:29:59,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 12:29:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 12:29:59,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 12:29:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 12:29:59,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 12:29:59,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 12:29:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 12:29:59,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 12:29:59,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 12:29:59,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 12:29:59,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 12:29:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 12:29:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 12:29:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 12:29:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 12:29:59,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 12:29:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 12:29:59,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 12:29:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 12:29:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 12:29:59,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-16 12:29:59,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 12:29:59,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-16 12:29:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 12:29:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-16 12:29:59,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 12:29:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-16 12:29:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 12:29:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 12:29:59,447 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3784 trivial. 0 not checked. [2024-11-16 12:29:59,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 12:29:59,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793653396] [2024-11-16 12:29:59,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793653396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 12:29:59,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 12:29:59,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 12:29:59,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408055536] [2024-11-16 12:29:59,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 12:29:59,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 12:29:59,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 12:29:59,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 12:29:59,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 12:29:59,451 INFO L87 Difference]: Start difference. First operand 115 states and 177 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-16 12:29:59,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 12:29:59,626 INFO L93 Difference]: Finished difference Result 243 states and 368 transitions. [2024-11-16 12:29:59,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 12:29:59,626 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) Word has length 266 [2024-11-16 12:29:59,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 12:29:59,629 INFO L225 Difference]: With dead ends: 243 [2024-11-16 12:29:59,629 INFO L226 Difference]: Without dead ends: 131 [2024-11-16 12:29:59,630 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-16 12:29:59,631 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 61 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 12:29:59,632 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 581 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 12:29:59,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-16 12:29:59,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 102. [2024-11-16 12:29:59,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 56 states have (on average 1.2142857142857142) internal successors, (68), 56 states have internal predecessors, (68), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-16 12:29:59,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 156 transitions. [2024-11-16 12:29:59,643 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 156 transitions. Word has length 266 [2024-11-16 12:29:59,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 12:29:59,644 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 156 transitions. [2024-11-16 12:29:59,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 1 states have call predecessors, (44), 1 states have call successors, (44) [2024-11-16 12:29:59,645 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 156 transitions. [2024-11-16 12:29:59,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2024-11-16 12:29:59,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 12:29:59,648 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 12:29:59,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 12:29:59,648 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 12:29:59,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 12:29:59,649 INFO L85 PathProgramCache]: Analyzing trace with hash -158712030, now seen corresponding path program 1 times [2024-11-16 12:29:59,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 12:29:59,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733053923] [2024-11-16 12:29:59,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 12:29:59,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 12:29:59,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat