./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-4.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 dda421c3cead3fdeb93df5956242977bad12a82dded40844f224149d1433f67d --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 03:54:15,260 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 03:54:15,326 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 03:54:15,331 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 03:54:15,334 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 03:54:15,366 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 03:54:15,367 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 03:54:15,367 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 03:54:15,368 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 03:54:15,370 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 03:54:15,370 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 03:54:15,371 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 03:54:15,371 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 03:54:15,372 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 03:54:15,375 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 03:54:15,375 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 03:54:15,376 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 03:54:15,376 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 03:54:15,376 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 03:54:15,376 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 03:54:15,376 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 03:54:15,377 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 03:54:15,377 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 03:54:15,377 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 03:54:15,378 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 03:54:15,378 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 03:54:15,378 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 03:54:15,378 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 03:54:15,379 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 03:54:15,379 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 03:54:15,379 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 03:54:15,379 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 03:54:15,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 03:54:15,380 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 03:54:15,380 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 03:54:15,383 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 03:54:15,383 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 03:54:15,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 03:54:15,383 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 03:54:15,383 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 03:54:15,384 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 03:54:15,384 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 03:54:15,385 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dda421c3cead3fdeb93df5956242977bad12a82dded40844f224149d1433f67d [2024-11-12 03:54:15,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 03:54:15,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 03:54:15,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 03:54:15,709 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 03:54:15,710 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 03:54:15,711 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-4.i [2024-11-12 03:54:17,131 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 03:54:17,398 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 03:54:17,400 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-4.i [2024-11-12 03:54:17,409 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0597fc8a3/8d277d2f12b94d9c95c9c377a4431619/FLAG0fd70b80e [2024-11-12 03:54:17,757 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0597fc8a3/8d277d2f12b94d9c95c9c377a4431619 [2024-11-12 03:54:17,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 03:54:17,762 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 03:54:17,763 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 03:54:17,763 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 03:54:17,772 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 03:54:17,772 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 03:54:17" (1/1) ... [2024-11-12 03:54:17,773 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@97de13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:54:17, skipping insertion in model container [2024-11-12 03:54:17,774 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 03:54:17" (1/1) ... [2024-11-12 03:54:17,807 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 03:54:18,007 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-4.i[918,931] [2024-11-12 03:54:18,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 03:54:18,126 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 03:54:18,143 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-4.i[918,931] [2024-11-12 03:54:18,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 03:54:18,231 INFO L204 MainTranslator]: Completed translation [2024-11-12 03:54:18,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:54:18 WrapperNode [2024-11-12 03:54:18,232 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 03:54:18,234 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 03:54:18,234 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 03:54:18,234 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 03:54:18,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:54:18" (1/1) ... [2024-11-12 03:54:18,252 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:54:18" (1/1) ... [2024-11-12 03:54:18,297 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 228 [2024-11-12 03:54:18,298 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 03:54:18,298 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 03:54:18,298 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 03:54:18,299 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 03:54:18,308 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:54:18" (1/1) ... [2024-11-12 03:54:18,309 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:54:18" (1/1) ... [2024-11-12 03:54:18,313 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:54:18" (1/1) ... [2024-11-12 03:54:18,333 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]. [2024-11-12 03:54:18,333 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:54:18" (1/1) ... [2024-11-12 03:54:18,334 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:54:18" (1/1) ... [2024-11-12 03:54:18,353 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:54:18" (1/1) ... [2024-11-12 03:54:18,362 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:54:18" (1/1) ... [2024-11-12 03:54:18,366 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:54:18" (1/1) ... [2024-11-12 03:54:18,372 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:54:18" (1/1) ... [2024-11-12 03:54:18,381 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 03:54:18,382 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 03:54:18,385 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 03:54:18,385 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 03:54:18,386 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:54:18" (1/1) ... [2024-11-12 03:54:18,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 03:54:18,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 03:54:18,424 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) [2024-11-12 03:54:18,431 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 [2024-11-12 03:54:18,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 03:54:18,481 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 03:54:18,482 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 03:54:18,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 03:54:18,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 03:54:18,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 03:54:18,585 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 03:54:18,588 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 03:54:19,341 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-12 03:54:19,342 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 03:54:19,356 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 03:54:19,357 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 03:54:19,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 03:54:19 BoogieIcfgContainer [2024-11-12 03:54:19,358 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 03:54:19,360 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 03:54:19,360 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 03:54:19,365 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 03:54:19,365 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 03:54:17" (1/3) ... [2024-11-12 03:54:19,366 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bdab719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 03:54:19, skipping insertion in model container [2024-11-12 03:54:19,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:54:18" (2/3) ... [2024-11-12 03:54:19,367 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bdab719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 03:54:19, skipping insertion in model container [2024-11-12 03:54:19,367 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 03:54:19" (3/3) ... [2024-11-12 03:54:19,369 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-4.i [2024-11-12 03:54:19,387 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 03:54:19,387 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 03:54:19,471 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 03:54:19,480 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;@542000e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 03:54:19,480 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 03:54:19,486 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 63 states have (on average 1.4761904761904763) internal successors, (93), 64 states have internal predecessors, (93), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-12 03:54:19,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-12 03:54:19,502 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:54:19,504 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:54:19,504 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:54:19,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:54:19,515 INFO L85 PathProgramCache]: Analyzing trace with hash -635085311, now seen corresponding path program 1 times [2024-11-12 03:54:19,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:54:19,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826445665] [2024-11-12 03:54:19,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:54:19,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:54:19,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:19,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:54:19,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:19,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:54:19,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:19,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:54:19,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:19,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:54:19,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:19,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:54:19,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:19,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:54:19,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:19,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:54:19,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:19,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-12 03:54:20,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 03:54:20,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 03:54:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 03:54:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 03:54:20,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 03:54:20,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 03:54:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 03:54:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 03:54:20,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 03:54:20,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 03:54:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 03:54:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 03:54:20,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 03:54:20,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 03:54:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 03:54:20,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 03:54:20,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 03:54:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 03:54:20,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 03:54:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 03:54:20,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 03:54:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 03:54:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 03:54:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 03:54:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 03:54:20,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,187 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-12 03:54:20,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:54:20,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826445665] [2024-11-12 03:54:20,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826445665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:54:20,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:54:20,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 03:54:20,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445492541] [2024-11-12 03:54:20,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:54:20,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 03:54:20,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:54:20,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 03:54:20,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 03:54:20,229 INFO L87 Difference]: Start difference. First operand has 99 states, 63 states have (on average 1.4761904761904763) internal successors, (93), 64 states have internal predecessors, (93), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-12 03:54:20,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:54:20,276 INFO L93 Difference]: Finished difference Result 191 states and 345 transitions. [2024-11-12 03:54:20,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 03:54:20,279 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) Word has length 208 [2024-11-12 03:54:20,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:54:20,294 INFO L225 Difference]: With dead ends: 191 [2024-11-12 03:54:20,294 INFO L226 Difference]: Without dead ends: 95 [2024-11-12 03:54:20,299 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 03:54:20,305 INFO L435 NwaCegarLoop]: 151 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, 151 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 [2024-11-12 03:54:20,308 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 03:54:20,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-12 03:54:20,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2024-11-12 03:54:20,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 60 states have (on average 1.4166666666666667) internal successors, (85), 60 states have internal predecessors, (85), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-12 03:54:20,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 151 transitions. [2024-11-12 03:54:20,372 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 151 transitions. Word has length 208 [2024-11-12 03:54:20,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:54:20,373 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 151 transitions. [2024-11-12 03:54:20,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-12 03:54:20,374 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 151 transitions. [2024-11-12 03:54:20,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-12 03:54:20,382 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:54:20,382 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:54:20,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 03:54:20,383 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:54:20,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:54:20,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1571183172, now seen corresponding path program 1 times [2024-11-12 03:54:20,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:54:20,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476153876] [2024-11-12 03:54:20,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:54:20,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:54:20,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:54:20,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:54:20,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:54:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:54:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:54:20,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:54:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:54:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-12 03:54:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 03:54:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 03:54:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 03:54:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 03:54:20,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 03:54:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 03:54:20,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 03:54:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 03:54:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 03:54:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 03:54:20,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 03:54:20,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 03:54:20,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 03:54:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 03:54:20,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 03:54:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 03:54:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 03:54:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 03:54:20,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 03:54:20,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 03:54:20,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 03:54:20,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 03:54:20,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 03:54:20,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 03:54:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 03:54:20,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:20,940 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-12 03:54:20,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:54:20,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476153876] [2024-11-12 03:54:20,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476153876] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:54:20,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:54:20,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 03:54:20,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10334444] [2024-11-12 03:54:20,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:54:20,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 03:54:20,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:54:20,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 03:54:20,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 03:54:20,949 INFO L87 Difference]: Start difference. First operand 95 states and 151 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-12 03:54:21,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:54:21,047 INFO L93 Difference]: Finished difference Result 279 states and 447 transitions. [2024-11-12 03:54:21,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 03:54:21,048 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 209 [2024-11-12 03:54:21,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:54:21,053 INFO L225 Difference]: With dead ends: 279 [2024-11-12 03:54:21,055 INFO L226 Difference]: Without dead ends: 187 [2024-11-12 03:54:21,056 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 03:54:21,057 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 88 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 03:54:21,058 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 276 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 03:54:21,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-12 03:54:21,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 184. [2024-11-12 03:54:21,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 115 states have (on average 1.4173913043478261) internal successors, (163), 115 states have internal predecessors, (163), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-12 03:54:21,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 295 transitions. [2024-11-12 03:54:21,094 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 295 transitions. Word has length 209 [2024-11-12 03:54:21,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:54:21,095 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 295 transitions. [2024-11-12 03:54:21,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-12 03:54:21,095 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 295 transitions. [2024-11-12 03:54:21,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-12 03:54:21,100 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:54:21,101 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:54:21,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 03:54:21,101 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:54:21,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:54:21,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1549117541, now seen corresponding path program 1 times [2024-11-12 03:54:21,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:54:21,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355479787] [2024-11-12 03:54:21,104 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:54:21,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:54:21,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:22,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:54:22,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:22,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:54:22,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:22,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:54:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:22,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:54:22,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:22,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:54:22,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:22,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:54:22,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:22,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:54:22,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:22,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-12 03:54:22,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:22,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 03:54:22,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:22,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 03:54:22,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:22,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 03:54:22,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:22,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 03:54:22,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:22,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 03:54:22,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:22,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 03:54:22,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:22,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 03:54:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:22,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 03:54:22,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:22,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 03:54:22,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:22,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 03:54:22,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:22,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 03:54:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:22,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 03:54:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:22,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 03:54:22,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:22,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 03:54:22,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:22,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 03:54:22,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:22,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 03:54:22,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:22,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 03:54:22,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:22,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 03:54:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:22,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 03:54:22,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:22,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 03:54:22,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:22,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 03:54:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:22,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 03:54:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:22,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 03:54:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:22,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 03:54:22,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:22,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 03:54:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:22,154 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-12 03:54:22,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:54:22,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355479787] [2024-11-12 03:54:22,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355479787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:54:22,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:54:22,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 03:54:22,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573874599] [2024-11-12 03:54:22,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:54:22,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 03:54:22,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:54:22,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 03:54:22,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 03:54:22,159 INFO L87 Difference]: Start difference. First operand 184 states and 295 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-12 03:54:22,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:54:22,534 INFO L93 Difference]: Finished difference Result 595 states and 941 transitions. [2024-11-12 03:54:22,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 03:54:22,535 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 210 [2024-11-12 03:54:22,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:54:22,542 INFO L225 Difference]: With dead ends: 595 [2024-11-12 03:54:22,544 INFO L226 Difference]: Without dead ends: 414 [2024-11-12 03:54:22,546 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-12 03:54:22,547 INFO L435 NwaCegarLoop]: 271 mSDtfsCounter, 196 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 03:54:22,550 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 613 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 03:54:22,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-11-12 03:54:22,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 371. [2024-11-12 03:54:22,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 234 states have (on average 1.4102564102564104) internal successors, (330), 234 states have internal predecessors, (330), 132 states have call successors, (132), 4 states have call predecessors, (132), 4 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) [2024-11-12 03:54:22,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 594 transitions. [2024-11-12 03:54:22,656 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 594 transitions. Word has length 210 [2024-11-12 03:54:22,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:54:22,659 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 594 transitions. [2024-11-12 03:54:22,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-12 03:54:22,659 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 594 transitions. [2024-11-12 03:54:22,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-12 03:54:22,663 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:54:22,664 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:54:22,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 03:54:22,665 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:54:22,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:54:22,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1547270499, now seen corresponding path program 1 times [2024-11-12 03:54:22,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:54:22,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292679308] [2024-11-12 03:54:22,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:54:22,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:54:22,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:29,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:54:29,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:29,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:54:29,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:29,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:54:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:29,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:54:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:29,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:54:29,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:29,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:54:29,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:29,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:54:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:29,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-12 03:54:29,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:29,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 03:54:29,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:29,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 03:54:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:29,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 03:54:29,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:29,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 03:54:29,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:29,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 03:54:29,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:29,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 03:54:29,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:29,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 03:54:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:29,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 03:54:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:29,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 03:54:29,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:29,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 03:54:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:29,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 03:54:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:29,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 03:54:29,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:29,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 03:54:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:29,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 03:54:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:29,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 03:54:29,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:29,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 03:54:29,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:29,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 03:54:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:29,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 03:54:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:29,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 03:54:29,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:29,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 03:54:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:29,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 03:54:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:29,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 03:54:29,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:29,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 03:54:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:29,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 03:54:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:29,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 03:54:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:29,921 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-12 03:54:29,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:54:29,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292679308] [2024-11-12 03:54:29,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292679308] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:54:29,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:54:29,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 03:54:29,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537551902] [2024-11-12 03:54:29,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:54:29,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 03:54:29,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:54:29,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 03:54:29,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-12 03:54:29,925 INFO L87 Difference]: Start difference. First operand 371 states and 594 transitions. Second operand has 11 states, 11 states have (on average 4.363636363636363) internal successors, (48), 11 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-12 03:54:31,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:54:31,894 INFO L93 Difference]: Finished difference Result 968 states and 1520 transitions. [2024-11-12 03:54:31,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 03:54:31,895 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.363636363636363) internal successors, (48), 11 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 210 [2024-11-12 03:54:31,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:54:31,903 INFO L225 Difference]: With dead ends: 968 [2024-11-12 03:54:31,903 INFO L226 Difference]: Without dead ends: 600 [2024-11-12 03:54:31,906 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2024-11-12 03:54:31,907 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 239 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 757 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-12 03:54:31,907 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 757 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-12 03:54:31,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2024-11-12 03:54:32,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 491. [2024-11-12 03:54:32,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 319 states have (on average 1.3981191222570533) internal successors, (446), 319 states have internal predecessors, (446), 165 states have call successors, (165), 6 states have call predecessors, (165), 6 states have return successors, (165), 165 states have call predecessors, (165), 165 states have call successors, (165) [2024-11-12 03:54:32,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 776 transitions. [2024-11-12 03:54:32,012 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 776 transitions. Word has length 210 [2024-11-12 03:54:32,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:54:32,013 INFO L471 AbstractCegarLoop]: Abstraction has 491 states and 776 transitions. [2024-11-12 03:54:32,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.363636363636363) internal successors, (48), 11 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-12 03:54:32,014 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 776 transitions. [2024-11-12 03:54:32,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-12 03:54:32,016 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:54:32,016 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:54:32,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 03:54:32,017 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:54:32,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:54:32,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1289105061, now seen corresponding path program 1 times [2024-11-12 03:54:32,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:54:32,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035850958] [2024-11-12 03:54:32,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:54:32,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:54:32,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:32,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:54:32,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:32,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:54:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:32,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:54:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:32,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:54:32,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:32,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:54:32,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:32,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:54:32,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:32,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:54:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:32,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-12 03:54:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:32,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 03:54:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:32,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 03:54:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:32,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 03:54:32,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:32,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 03:54:32,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:32,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 03:54:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:32,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 03:54:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:32,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 03:54:32,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:32,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 03:54:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:32,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 03:54:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:32,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 03:54:32,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:32,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 03:54:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:32,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 03:54:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:32,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 03:54:32,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:32,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 03:54:32,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:32,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 03:54:32,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:32,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 03:54:32,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:32,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 03:54:32,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:32,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 03:54:32,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:32,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 03:54:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:32,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 03:54:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:32,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 03:54:32,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:32,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 03:54:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:32,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 03:54:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:32,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 03:54:32,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:32,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 03:54:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:32,565 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-12 03:54:32,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:54:32,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035850958] [2024-11-12 03:54:32,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035850958] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:54:32,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:54:32,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 03:54:32,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117711366] [2024-11-12 03:54:32,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:54:32,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 03:54:32,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:54:32,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 03:54:32,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 03:54:32,570 INFO L87 Difference]: Start difference. First operand 491 states and 776 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-12 03:54:32,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:54:32,728 INFO L93 Difference]: Finished difference Result 1229 states and 1959 transitions. [2024-11-12 03:54:32,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 03:54:32,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 210 [2024-11-12 03:54:32,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:54:32,736 INFO L225 Difference]: With dead ends: 1229 [2024-11-12 03:54:32,736 INFO L226 Difference]: Without dead ends: 854 [2024-11-12 03:54:32,738 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 03:54:32,739 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 79 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 03:54:32,739 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 285 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 03:54:32,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2024-11-12 03:54:32,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 852. [2024-11-12 03:54:32,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 852 states, 544 states have (on average 1.3786764705882353) internal successors, (750), 544 states have internal predecessors, (750), 297 states have call successors, (297), 10 states have call predecessors, (297), 10 states have return successors, (297), 297 states have call predecessors, (297), 297 states have call successors, (297) [2024-11-12 03:54:32,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1344 transitions. [2024-11-12 03:54:32,878 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1344 transitions. Word has length 210 [2024-11-12 03:54:32,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:54:32,879 INFO L471 AbstractCegarLoop]: Abstraction has 852 states and 1344 transitions. [2024-11-12 03:54:32,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-12 03:54:32,880 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1344 transitions. [2024-11-12 03:54:32,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-12 03:54:32,882 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:54:32,883 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:54:32,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 03:54:32,883 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:54:32,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:54:32,884 INFO L85 PathProgramCache]: Analyzing trace with hash 425313700, now seen corresponding path program 1 times [2024-11-12 03:54:32,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:54:32,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749679687] [2024-11-12 03:54:32,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:54:32,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:54:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:33,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:54:33,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:33,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:54:33,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:33,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:54:33,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:33,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:54:33,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:33,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:54:33,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:33,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:54:33,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:33,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:54:33,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:33,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-12 03:54:33,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:33,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 03:54:33,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:33,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 03:54:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:33,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 03:54:33,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:33,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 03:54:33,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:33,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 03:54:33,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:33,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 03:54:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:33,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 03:54:33,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:33,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 03:54:33,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:33,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 03:54:33,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:33,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 03:54:33,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:33,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 03:54:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:33,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 03:54:33,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:33,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 03:54:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:33,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 03:54:33,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:33,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 03:54:33,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:33,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 03:54:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:33,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 03:54:33,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:33,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 03:54:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:33,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 03:54:33,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:33,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 03:54:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:33,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 03:54:33,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:33,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 03:54:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:33,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 03:54:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:33,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 03:54:33,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:33,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 03:54:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:33,204 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-12 03:54:33,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:54:33,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749679687] [2024-11-12 03:54:33,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749679687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:54:33,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:54:33,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 03:54:33,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966495362] [2024-11-12 03:54:33,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:54:33,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 03:54:33,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:54:33,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 03:54:33,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 03:54:33,207 INFO L87 Difference]: Start difference. First operand 852 states and 1344 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-12 03:54:33,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:54:33,607 INFO L93 Difference]: Finished difference Result 1569 states and 2492 transitions. [2024-11-12 03:54:33,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 03:54:33,608 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 211 [2024-11-12 03:54:33,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:54:33,617 INFO L225 Difference]: With dead ends: 1569 [2024-11-12 03:54:33,617 INFO L226 Difference]: Without dead ends: 1199 [2024-11-12 03:54:33,620 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 03:54:33,621 INFO L435 NwaCegarLoop]: 259 mSDtfsCounter, 157 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 03:54:33,623 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 562 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 03:54:33,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1199 states. [2024-11-12 03:54:33,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1199 to 1190. [2024-11-12 03:54:33,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1190 states, 746 states have (on average 1.373994638069705) internal successors, (1025), 746 states have internal predecessors, (1025), 429 states have call successors, (429), 14 states have call predecessors, (429), 14 states have return successors, (429), 429 states have call predecessors, (429), 429 states have call successors, (429) [2024-11-12 03:54:33,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 1190 states and 1883 transitions. [2024-11-12 03:54:33,779 INFO L78 Accepts]: Start accepts. Automaton has 1190 states and 1883 transitions. Word has length 211 [2024-11-12 03:54:33,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:54:33,780 INFO L471 AbstractCegarLoop]: Abstraction has 1190 states and 1883 transitions. [2024-11-12 03:54:33,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-12 03:54:33,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1883 transitions. [2024-11-12 03:54:33,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-12 03:54:33,784 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:54:33,784 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:54:33,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 03:54:33,784 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:54:33,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:54:33,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1105372070, now seen corresponding path program 1 times [2024-11-12 03:54:33,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:54:33,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005215021] [2024-11-12 03:54:33,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:54:33,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:54:33,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:34,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:54:34,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:34,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:54:34,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:34,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:54:34,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:34,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:54:34,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:34,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:54:34,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:34,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:54:34,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:34,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:54:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:34,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-12 03:54:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:34,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-12 03:54:34,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:34,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-12 03:54:34,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:34,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-12 03:54:34,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:34,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 03:54:34,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:34,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-12 03:54:34,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:34,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-12 03:54:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:34,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-12 03:54:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:34,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 03:54:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:34,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 03:54:34,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:34,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 03:54:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:34,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 03:54:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:34,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 03:54:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:34,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 03:54:34,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:34,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 03:54:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:34,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 03:54:34,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:34,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 03:54:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:34,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 03:54:34,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:34,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 03:54:34,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:34,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 03:54:34,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:34,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 03:54:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:34,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 03:54:34,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:34,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 03:54:34,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:34,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-12 03:54:34,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:34,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 03:54:34,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:34,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 03:54:34,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:34,976 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 24 proven. 72 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2024-11-12 03:54:34,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:54:34,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005215021] [2024-11-12 03:54:34,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005215021] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 03:54:34,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1186265535] [2024-11-12 03:54:34,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:54:34,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 03:54:34,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 03:54:34,980 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 03:54:34,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 03:54:35,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:54:35,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-12 03:54:35,213 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 03:54:39,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 828 proven. 402 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2024-11-12 03:54:39,529 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 03:54:48,960 WARN L286 SmtUtils]: Spent 6.13s on a formula simplification. DAG size of input: 14 DAG size of output: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-12 03:55:36,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1186265535] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 03:55:36,114 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-12 03:55:36,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 19] total 27 [2024-11-12 03:55:36,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343222151] [2024-11-12 03:55:36,114 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-12 03:55:36,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-12 03:55:36,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:55:36,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-12 03:55:36,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=423, Invalid=1133, Unknown=4, NotChecked=0, Total=1560 [2024-11-12 03:55:36,117 INFO L87 Difference]: Start difference. First operand 1190 states and 1883 transitions. Second operand has 27 states, 27 states have (on average 4.111111111111111) internal successors, (111), 25 states have internal predecessors, (111), 8 states have call successors, (66), 7 states have call predecessors, (66), 10 states have return successors, (66), 8 states have call predecessors, (66), 8 states have call successors, (66)